diff --git a/Cargo.lock b/Cargo.lock index 10889139e8d6..979198cece80 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -3537,6 +3537,7 @@ dependencies = [ "ar_archive_writer", "arrayvec", "bitflags", + "bstr", "cc", "either", "itertools", diff --git a/RELEASES.md b/RELEASES.md index d8d284ca1fa8..2da6ed3f1006 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -573,6 +573,7 @@ Libraries - [Replace sort implementations with stable `driftsort` and unstable `ipnsort`.](https://github.com/rust-lang/rust/pull/124032/) All `slice::sort*` and `slice::select_nth*` methods are expected to see significant performance improvements. See the [research project](https://github.com/Voultapher/sort-research-rs) for more details. - [Document behavior of `create_dir_all` with respect to empty paths.](https://github.com/rust-lang/rust/pull/125112/) - [Fix interleaved output in the default panic hook when multiple threads panic simultaneously.](https://github.com/rust-lang/rust/pull/127397/) +- Fix `Command`'s batch files argument escaping not working when file name has trailing whitespace or periods (CVE-2024-43402). diff --git a/compiler/rustc_attr_data_structures/src/attributes.rs b/compiler/rustc_attr_data_structures/src/attributes.rs index def6b16ee8ae..b4027a096c53 100644 --- a/compiler/rustc_attr_data_structures/src/attributes.rs +++ b/compiler/rustc_attr_data_structures/src/attributes.rs @@ -35,13 +35,25 @@ pub enum InstructionSetAttr { ArmT32, } -#[derive(Clone, Encodable, Decodable, Debug, HashStable_Generic)] +#[derive(Clone, Encodable, Decodable, Debug, PartialEq, Eq, HashStable_Generic, Default)] pub enum OptimizeAttr { - None, + /// No `#[optimize(..)]` attribute + #[default] + Default, + /// `#[optimize(none)]` + DoNotOptimize, + /// `#[optimize(speed)]` Speed, + /// `#[optimize(size)]` Size, } +impl OptimizeAttr { + pub fn do_not_optimize(&self) -> bool { + matches!(self, Self::DoNotOptimize) + } +} + #[derive(Clone, Debug, Encodable, Decodable)] pub enum DiagnosticAttribute { // tidy-alphabetical-start diff --git a/compiler/rustc_borrowck/messages.ftl b/compiler/rustc_borrowck/messages.ftl index ada20e5c614f..c00e6dde9196 100644 --- a/compiler/rustc_borrowck/messages.ftl +++ b/compiler/rustc_borrowck/messages.ftl @@ -92,6 +92,9 @@ borrowck_lifetime_constraints_error = borrowck_limitations_implies_static = due to current limitations in the borrow checker, this implies a `'static` lifetime +borrowck_long_type_consider_verbose = consider using `--verbose` to print the full type name to the console +borrowck_long_type_full_path = the full type name has been written to '{$path}' + borrowck_move_closure_suggestion = consider adding 'move' keyword before the nested closure diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index d020244bf55e..07dcbba019ad 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -289,6 +289,8 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> { None => "value".to_owned(), }; if needs_note { + let mut path = None; + let ty = self.infcx.tcx.short_ty_string(ty, &mut path); if let Some(local) = place.as_local() { let span = self.body.local_decls[local].source_info.span; err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { @@ -304,6 +306,11 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> { place: ¬e_msg, }); }; + if let Some(path) = path { + err.subdiagnostic(crate::session_diagnostics::LongTypePath { + path: path.display().to_string(), + }); + } } if let UseSpans::FnSelfUse { diff --git a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs index beacbdbd3fa7..14a900f38e92 100644 --- a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs @@ -596,12 +596,19 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> { self.suggest_cloning(err, place_ty, expr, None); } + let mut path = None; + let ty = self.infcx.tcx.short_ty_string(place_ty, &mut path); err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { is_partial_move: false, - ty: place_ty, + ty, place: &place_desc, span, }); + if let Some(path) = path { + err.subdiagnostic(crate::session_diagnostics::LongTypePath { + path: path.display().to_string(), + }); + } } else { binds_to.sort(); binds_to.dedup(); @@ -628,12 +635,19 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> { self.suggest_cloning(err, place_ty, expr, Some(use_spans)); } + let mut path = None; + let ty = self.infcx.tcx.short_ty_string(place_ty, &mut path); err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { is_partial_move: false, - ty: place_ty, + ty, place: &place_desc, span: use_span, }); + if let Some(path) = path { + err.subdiagnostic(crate::session_diagnostics::LongTypePath { + path: path.display().to_string(), + }); + } use_spans.args_subdiag(err, |args_span| { crate::session_diagnostics::CaptureArgLabel::MoveOutPlace { @@ -831,12 +845,19 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> { self.suggest_cloning(err, bind_to.ty, expr, None); } + let mut path = None; + let ty = self.infcx.tcx.short_ty_string(bind_to.ty, &mut path); err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { is_partial_move: false, - ty: bind_to.ty, + ty, place: place_desc, span: binding_span, }); + if let Some(path) = path { + err.subdiagnostic(crate::session_diagnostics::LongTypePath { + path: path.display().to_string(), + }); + } } } diff --git a/compiler/rustc_borrowck/src/session_diagnostics.rs b/compiler/rustc_borrowck/src/session_diagnostics.rs index 4be5d0dbf428..2c37d2bc1236 100644 --- a/compiler/rustc_borrowck/src/session_diagnostics.rs +++ b/compiler/rustc_borrowck/src/session_diagnostics.rs @@ -459,17 +459,24 @@ pub(crate) enum OnClosureNote<'a> { } #[derive(Subdiagnostic)] -pub(crate) enum TypeNoCopy<'a, 'tcx> { +#[note(borrowck_long_type_full_path)] +#[note(borrowck_long_type_consider_verbose)] +pub(crate) struct LongTypePath { + pub(crate) path: String, +} + +#[derive(Subdiagnostic)] +pub(crate) enum TypeNoCopy<'a> { #[label(borrowck_ty_no_impl_copy)] Label { is_partial_move: bool, - ty: Ty<'tcx>, + ty: String, place: &'a str, #[primary_span] span: Span, }, #[note(borrowck_ty_no_impl_copy)] - Note { is_partial_move: bool, ty: Ty<'tcx>, place: &'a str }, + Note { is_partial_move: bool, ty: String, place: &'a str }, } #[derive(Diagnostic)] diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index 95e0481b035e..3d7afa17bdf3 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -333,9 +333,12 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>( let mut to_add = SmallVec::<[_; 16]>::new(); match codegen_fn_attrs.optimize { - OptimizeAttr::None => { + OptimizeAttr::Default => { to_add.extend(default_optimisation_attrs(cx)); } + OptimizeAttr::DoNotOptimize => { + to_add.push(llvm::AttributeKind::OptimizeNone.create_attr(cx.llcx)); + } OptimizeAttr::Size => { to_add.push(llvm::AttributeKind::MinSize.create_attr(cx.llcx)); to_add.push(llvm::AttributeKind::OptimizeForSize.create_attr(cx.llcx)); @@ -343,12 +346,12 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>( OptimizeAttr::Speed => {} } - let inline = - if codegen_fn_attrs.inline == InlineAttr::None && instance.def.requires_inline(cx.tcx) { - InlineAttr::Hint - } else { - codegen_fn_attrs.inline - }; + // `optnone` requires `noinline` + let inline = match (codegen_fn_attrs.inline, &codegen_fn_attrs.optimize) { + (_, OptimizeAttr::DoNotOptimize) => InlineAttr::Never, + (InlineAttr::None, _) if instance.def.requires_inline(cx.tcx) => InlineAttr::Hint, + (inline, _) => inline, + }; to_add.extend(inline_attr(cx, inline)); // The `uwtable` attribute according to LLVM is: diff --git a/compiler/rustc_codegen_ssa/Cargo.toml b/compiler/rustc_codegen_ssa/Cargo.toml index b6b453d069e6..b22357acdc26 100644 --- a/compiler/rustc_codegen_ssa/Cargo.toml +++ b/compiler/rustc_codegen_ssa/Cargo.toml @@ -8,6 +8,7 @@ edition = "2021" ar_archive_writer = "0.4.2" arrayvec = { version = "0.7", default-features = false } bitflags = "2.4.1" +bstr = "1.11.3" # Pinned so `cargo update` bumps don't cause breakage. Please also update the # `cc` in `rustc_llvm` if you update the `cc` here. cc = "=1.2.7" diff --git a/compiler/rustc_codegen_ssa/messages.ftl b/compiler/rustc_codegen_ssa/messages.ftl index a4c50dcc1356..de37de09f5a5 100644 --- a/compiler/rustc_codegen_ssa/messages.ftl +++ b/compiler/rustc_codegen_ssa/messages.ftl @@ -183,6 +183,8 @@ codegen_ssa_linker_file_stem = couldn't extract file stem from specified linker codegen_ssa_linker_not_found = linker `{$linker_path}` not found .note = {$error} +codegen_ssa_linker_output = {$inner} + codegen_ssa_linker_unsupported_modifier = `as-needed` modifier not supported for current linker codegen_ssa_linking_failed = linking with `{$linker_path}` failed: {$exit_status} diff --git a/compiler/rustc_codegen_ssa/src/back/command.rs b/compiler/rustc_codegen_ssa/src/back/command.rs index b3c5b86ccf43..63023fdba20f 100644 --- a/compiler/rustc_codegen_ssa/src/back/command.rs +++ b/compiler/rustc_codegen_ssa/src/back/command.rs @@ -13,6 +13,7 @@ pub(crate) struct Command { args: Vec, env: Vec<(OsString, OsString)>, env_remove: Vec, + env_clear: bool, } #[derive(Clone)] @@ -36,7 +37,13 @@ impl Command { } fn _new(program: Program) -> Command { - Command { program, args: Vec::new(), env: Vec::new(), env_remove: Vec::new() } + Command { + program, + args: Vec::new(), + env: Vec::new(), + env_remove: Vec::new(), + env_clear: false, + } } pub(crate) fn arg>(&mut self, arg: P) -> &mut Command { @@ -79,6 +86,11 @@ impl Command { self } + pub(crate) fn env_clear(&mut self) -> &mut Command { + self.env_clear = true; + self + } + fn _env_remove(&mut self, key: &OsStr) { self.env_remove.push(key.to_owned()); } @@ -106,6 +118,9 @@ impl Command { for k in &self.env_remove { ret.env_remove(k); } + if self.env_clear { + ret.env_clear(); + } ret } diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index df35b5e8426f..105a4cb81f0d 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -15,12 +15,14 @@ use rustc_ast::CRATE_NODE_ID; use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; use rustc_data_structures::memmap::Mmap; use rustc_data_structures::temp_dir::MaybeTempDir; -use rustc_errors::DiagCtxtHandle; +use rustc_errors::{DiagCtxtHandle, LintDiagnostic}; use rustc_fs_util::{fix_windows_verbatim_for_gcc, try_canonicalize}; use rustc_hir::def_id::{CrateNum, LOCAL_CRATE}; +use rustc_macros::LintDiagnostic; use rustc_metadata::fs::{METADATA_FILENAME, copy_to_stdout, emit_wrapper_file}; use rustc_metadata::{find_native_static_library, walk_native_lib_search_dirs}; use rustc_middle::bug; +use rustc_middle::lint::lint_level; use rustc_middle::middle::debugger_visualizer::DebuggerVisualizerFile; use rustc_middle::middle::dependency_format::Linkage; use rustc_middle::middle::exported_symbols::SymbolExportKind; @@ -29,6 +31,7 @@ use rustc_session::config::{ OutputType, PrintKind, SplitDwarfKind, Strip, }; use rustc_session::cstore::DllImport; +use rustc_session::lint::builtin::LINKER_MESSAGES; use rustc_session::output::{check_file_is_writeable, invalid_output_for_target, out_filename}; use rustc_session::search_paths::PathKind; use rustc_session::utils::NativeLibKind; @@ -749,6 +752,14 @@ fn link_dwarf_object(sess: &Session, cg_results: &CodegenResults, executable_out } } +#[derive(LintDiagnostic)] +#[diag(codegen_ssa_linker_output)] +/// Translating this is kind of useless. We don't pass translation flags to the linker, so we'd just +/// end up with inconsistent languages within the same diagnostic. +struct LinkerOutput { + inner: String, +} + /// Create a dynamic library or executable. /// /// This will invoke the system linker/cc to create the resulting file. This links to all upstream @@ -981,6 +992,11 @@ fn link_natively( match prog { Ok(prog) => { + let is_msvc_link_exe = sess.target.is_like_msvc + && flavor == LinkerFlavor::Msvc(Lld::No) + // Match exactly "link.exe" + && linker_path.to_str() == Some("link.exe"); + if !prog.status.success() { let mut output = prog.stderr.clone(); output.extend_from_slice(&prog.stdout); @@ -991,22 +1007,16 @@ fn link_natively( command: cmd, escaped_output, verbose: sess.opts.verbose, + sysroot_dir: sess.sysroot.clone(), }; sess.dcx().emit_err(err); // If MSVC's `link.exe` was expected but the return code // is not a Microsoft LNK error then suggest a way to fix or // install the Visual Studio build tools. if let Some(code) = prog.status.code() { - if sess.target.is_like_msvc - && flavor == LinkerFlavor::Msvc(Lld::No) - // Respect the command line override - && sess.opts.cg.linker.is_none() - // Match exactly "link.exe" - && linker_path.to_str() == Some("link.exe") - // All Microsoft `link.exe` linking error codes are - // four digit numbers in the range 1000 to 9999 inclusive - && (code < 1000 || code > 9999) - { + // All Microsoft `link.exe` linking ror codes are + // four digit numbers in the range 1000 to 9999 inclusive + if is_msvc_link_exe && (code < 1000 || code > 9999) { let is_vs_installed = windows_registry::find_vs_version().is_ok(); let has_linker = windows_registry::find_tool(&sess.target.arch, "link.exe").is_some(); @@ -1028,8 +1038,49 @@ fn link_natively( sess.dcx().abort_if_errors(); } - info!("linker stderr:\n{}", escape_string(&prog.stderr)); - info!("linker stdout:\n{}", escape_string(&prog.stdout)); + + let stderr = escape_string(&prog.stderr); + let mut stdout = escape_string(&prog.stdout); + info!("linker stderr:\n{}", &stderr); + info!("linker stdout:\n{}", &stdout); + + // Hide some progress messages from link.exe that we don't care about. + // See https://github.com/chromium/chromium/blob/bfa41e41145ffc85f041384280caf2949bb7bd72/build/toolchain/win/tool_wrapper.py#L144-L146 + if is_msvc_link_exe { + if let Ok(str) = str::from_utf8(&prog.stdout) { + let mut output = String::with_capacity(str.len()); + for line in stdout.lines() { + if line.starts_with(" Creating library") + || line.starts_with("Generating code") + || line.starts_with("Finished generating code") + { + continue; + } + output += line; + output += "\r\n" + } + stdout = escape_string(output.trim().as_bytes()) + } + } + + let (level, src) = codegen_results.crate_info.lint_levels.linker_messages; + let lint = |msg| { + lint_level(sess, LINKER_MESSAGES, level, src, None, |diag| { + LinkerOutput { inner: msg }.decorate_lint(diag) + }) + }; + + if !prog.stderr.is_empty() { + // We already print `warning:` at the start of the diagnostic. Remove it from the linker output if present. + let stderr = stderr + .strip_prefix("warning: ") + .unwrap_or(&stderr) + .replace(": warning: ", ": "); + lint(format!("linker stderr: {stderr}")); + } + if !stdout.is_empty() { + lint(format!("linker stdout: {}", stdout)) + } } Err(e) => { let linker_not_found = e.kind() == io::ErrorKind::NotFound; diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 83724af604d1..014bdeb46ad5 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -44,7 +44,8 @@ use crate::mir::operand::OperandValue; use crate::mir::place::PlaceRef; use crate::traits::*; use crate::{ - CachedModuleCodegen, CompiledModule, CrateInfo, ModuleCodegen, ModuleKind, errors, meth, mir, + CachedModuleCodegen, CodegenLintLevels, CompiledModule, CrateInfo, ModuleCodegen, ModuleKind, + errors, meth, mir, }; pub(crate) fn bin_op_to_icmp_predicate(op: BinOp, signed: bool) -> IntPredicate { @@ -924,6 +925,7 @@ impl CrateInfo { dependency_formats: Lrc::clone(tcx.dependency_formats(())), windows_subsystem, natvis_debugger_visualizers: Default::default(), + lint_levels: CodegenLintLevels::from_tcx(tcx), }; info.native_libraries.reserve(n_crates); @@ -1053,10 +1055,7 @@ pub(crate) fn provide(providers: &mut Providers) { let any_for_speed = defids.items().any(|id| { let CodegenFnAttrs { optimize, .. } = tcx.codegen_fn_attrs(*id); - match optimize { - attr::OptimizeAttr::None | attr::OptimizeAttr::Size => false, - attr::OptimizeAttr::Speed => true, - } + matches!(optimize, attr::OptimizeAttr::Speed) }); if any_for_speed { diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index 1daa17fbaf34..a0bc2d4ea48f 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -575,7 +575,7 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { codegen_fn_attrs.inline = InlineAttr::Never; } - codegen_fn_attrs.optimize = attrs.iter().fold(OptimizeAttr::None, |ia, attr| { + codegen_fn_attrs.optimize = attrs.iter().fold(OptimizeAttr::Default, |ia, attr| { if !attr.has_name(sym::optimize) { return ia; } @@ -587,17 +587,19 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { inline_span = Some(attr.span); if items.len() != 1 { err(attr.span, "expected one argument"); - OptimizeAttr::None + OptimizeAttr::Default } else if list_contains_name(items, sym::size) { OptimizeAttr::Size } else if list_contains_name(items, sym::speed) { OptimizeAttr::Speed + } else if list_contains_name(items, sym::none) { + OptimizeAttr::DoNotOptimize } else { err(items[0].span(), "invalid argument"); - OptimizeAttr::None + OptimizeAttr::Default } } else { - OptimizeAttr::None + OptimizeAttr::Default } }); diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index c7213bbc801f..5e684632fb24 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -351,6 +351,7 @@ pub(crate) struct LinkingFailed<'a> { pub command: Command, pub escaped_output: String, pub verbose: bool, + pub sysroot_dir: PathBuf, } impl Diagnostic<'_, G> for LinkingFailed<'_> { @@ -364,6 +365,8 @@ impl Diagnostic<'_, G> for LinkingFailed<'_> { if self.verbose { diag.note(format!("{:?}", self.command)); } else { + self.command.env_clear(); + enum ArgGroup { Regular(OsString), Objects(usize), @@ -398,26 +401,55 @@ impl Diagnostic<'_, G> for LinkingFailed<'_> { args.push(ArgGroup::Regular(arg)); } } - self.command.args(args.into_iter().map(|arg_group| match arg_group { - ArgGroup::Regular(arg) => arg, - ArgGroup::Objects(n) => OsString::from(format!("<{n} object files omitted>")), - ArgGroup::Rlibs(dir, rlibs) => { - let mut arg = dir.into_os_string(); - arg.push("/{"); - let mut first = true; - for rlib in rlibs { - if !first { - arg.push(","); + let crate_hash = regex::bytes::Regex::new(r"-[0-9a-f]+\.rlib$").unwrap(); + self.command.args(args.into_iter().map(|arg_group| { + match arg_group { + // SAFETY: we are only matching on ASCII, not any surrogate pairs, so any replacements we do will still be valid. + ArgGroup::Regular(arg) => unsafe { + use bstr::ByteSlice; + OsString::from_encoded_bytes_unchecked( + arg.as_encoded_bytes().replace( + self.sysroot_dir.as_os_str().as_encoded_bytes(), + b"", + ), + ) + }, + ArgGroup::Objects(n) => OsString::from(format!("<{n} object files omitted>")), + ArgGroup::Rlibs(mut dir, rlibs) => { + let is_sysroot_dir = match dir.strip_prefix(&self.sysroot_dir) { + Ok(short) => { + dir = Path::new("").join(short); + true + } + Err(_) => false, + }; + let mut arg = dir.into_os_string(); + arg.push("/{"); + let mut first = true; + for mut rlib in rlibs { + if !first { + arg.push(","); + } + first = false; + if is_sysroot_dir { + // SAFETY: Regex works one byte at a type, and our regex will not match surrogate pairs (because it only matches ascii). + rlib = unsafe { + OsString::from_encoded_bytes_unchecked( + crate_hash + .replace(rlib.as_encoded_bytes(), b"-*") + .into_owned(), + ) + }; + } + arg.push(rlib); } - first = false; - arg.push(rlib); + arg.push("}.rlib"); + arg } - arg.push("}"); - arg } })); - diag.note(format!("{:?}", self.command)); + diag.note(format!("{:?}", self.command).trim_start_matches("env -i").to_owned()); diag.note("some arguments are omitted. use `--verbose` to show all linker arguments"); } diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index 65c6067c7406..40299ae26308 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -29,18 +29,23 @@ use rustc_ast as ast; use rustc_data_structures::fx::{FxHashSet, FxIndexMap}; use rustc_data_structures::sync::Lrc; use rustc_data_structures::unord::UnordMap; +use rustc_hir::CRATE_HIR_ID; use rustc_hir::def_id::CrateNum; use rustc_macros::{Decodable, Encodable, HashStable}; use rustc_middle::dep_graph::WorkProduct; +use rustc_middle::lint::LintLevelSource; use rustc_middle::middle::debugger_visualizer::DebuggerVisualizerFile; use rustc_middle::middle::dependency_format::Dependencies; use rustc_middle::middle::exported_symbols::SymbolExportKind; +use rustc_middle::ty::TyCtxt; use rustc_middle::util::Providers; use rustc_serialize::opaque::{FileEncoder, MemDecoder}; use rustc_serialize::{Decodable, Decoder, Encodable, Encoder}; use rustc_session::Session; use rustc_session::config::{CrateType, OutputFilenames, OutputType, RUST_CGU_EXT}; use rustc_session::cstore::{self, CrateSource}; +use rustc_session::lint::Level; +use rustc_session::lint::builtin::LINKER_MESSAGES; use rustc_session::utils::NativeLibKind; use rustc_span::Symbol; @@ -200,6 +205,7 @@ pub struct CrateInfo { pub dependency_formats: Lrc, pub windows_subsystem: Option, pub natvis_debugger_visualizers: BTreeSet, + pub lint_levels: CodegenLintLevels, } #[derive(Encodable, Decodable)] @@ -302,3 +308,19 @@ impl CodegenResults { Ok((codegen_results, outputs)) } } + +/// A list of lint levels used in codegen. +/// +/// When using `-Z link-only`, we don't have access to the tcx and must work +/// solely from the `.rlink` file. `Lint`s are defined too early to be encodeable. +/// Instead, encode exactly the information we need. +#[derive(Copy, Clone, Debug, Encodable, Decodable)] +pub struct CodegenLintLevels { + linker_messages: (Level, LintLevelSource), +} + +impl CodegenLintLevels { + pub fn from_tcx(tcx: TyCtxt<'_>) -> Self { + Self { linker_messages: tcx.lint_level_at_node(LINKER_MESSAGES, CRATE_HIR_ID) } + } +} diff --git a/compiler/rustc_const_eval/messages.ftl b/compiler/rustc_const_eval/messages.ftl index d4bfb781320d..485c8696342a 100644 --- a/compiler/rustc_const_eval/messages.ftl +++ b/compiler/rustc_const_eval/messages.ftl @@ -416,7 +416,7 @@ const_eval_unsized_local = unsized locals are not supported const_eval_unstable_const_fn = `{$def_path}` is not yet stable as a const fn const_eval_unstable_in_stable_exposed = const function that might be (indirectly) exposed to stable cannot use `#[feature({$gate})]` - .is_function_call = mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + .is_function_call = mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features .unstable_sugg = if the {$is_function_call2 -> [true] caller *[false] function diff --git a/compiler/rustc_error_codes/src/error_codes/E0393.md b/compiler/rustc_error_codes/src/error_codes/E0393.md index 50225b25163f..c72608159051 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0393.md +++ b/compiler/rustc_error_codes/src/error_codes/E0393.md @@ -3,12 +3,10 @@ A type parameter which references `Self` in its default value was not specified. Erroneous code example: ```compile_fail,E0393 -trait A {} +trait A {} -fn together_we_will_rule_the_galaxy(son: &A) {} -// error: the type parameter `T` must be explicitly specified in an -// object type because its default value `Self` references the -// type `Self` +fn together_we_will_rule_the_galaxy(son: &dyn A) {} +// error: the type parameter `T` must be explicitly specified ``` A trait object is defined over a single, fully-defined trait. With a regular @@ -23,7 +21,7 @@ disallowed. Making the trait concrete by explicitly specifying the value of the defaulted parameter will fix this issue. Fixed example: ``` -trait A {} +trait A {} -fn together_we_will_rule_the_galaxy(son: &A) {} // Ok! +fn together_we_will_rule_the_galaxy(son: &dyn A) {} // Ok! ``` diff --git a/compiler/rustc_error_codes/src/error_codes/E0433.md b/compiler/rustc_error_codes/src/error_codes/E0433.md index 5a64c13c9af5..36e4b66e8dcd 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0433.md +++ b/compiler/rustc_error_codes/src/error_codes/E0433.md @@ -19,7 +19,7 @@ If you've expected to use a crate name: ```compile_fail use ferris_wheel::BigO; -// error: failed to resolve: use of undeclared crate or module `ferris_wheel` +// error: failed to resolve: use of undeclared module or unlinked crate ``` Make sure the crate has been added as a dependency in `Cargo.toml`. diff --git a/compiler/rustc_errors/src/json.rs b/compiler/rustc_errors/src/json.rs index c1188665a05f..95c81fc5f448 100644 --- a/compiler/rustc_errors/src/json.rs +++ b/compiler/rustc_errors/src/json.rs @@ -21,7 +21,7 @@ use rustc_error_messages::FluentArgs; use rustc_lint_defs::Applicability; use rustc_span::Span; use rustc_span::hygiene::ExpnData; -use rustc_span::source_map::SourceMap; +use rustc_span::source_map::{FilePathMapping, SourceMap}; use serde::Serialize; use termcolor::{ColorSpec, WriteColor}; @@ -45,7 +45,7 @@ pub struct JsonEmitter { #[setters(skip)] dst: IntoDynSyncSend>, #[setters(skip)] - sm: Lrc, + sm: Option>, fluent_bundle: Option>, #[setters(skip)] fallback_bundle: LazyFallbackBundle, @@ -65,7 +65,7 @@ pub struct JsonEmitter { impl JsonEmitter { pub fn new( dst: Box, - sm: Lrc, + sm: Option>, fallback_bundle: LazyFallbackBundle, pretty: bool, json_rendered: HumanReadableErrorType, @@ -171,7 +171,7 @@ impl Emitter for JsonEmitter { } fn source_map(&self) -> Option<&SourceMap> { - Some(&self.sm) + self.sm.as_deref() } fn should_show_explain(&self) -> bool { @@ -371,7 +371,7 @@ impl Diagnostic { } HumanEmitter::new(dst, Lrc::clone(&je.fallback_bundle)) .short_message(short) - .sm(Some(Lrc::clone(&je.sm))) + .sm(je.sm.clone()) .fluent_bundle(je.fluent_bundle.clone()) .diagnostic_width(je.diagnostic_width) .macro_backtrace(je.macro_backtrace) @@ -458,23 +458,34 @@ impl DiagnosticSpan { mut backtrace: impl Iterator, je: &JsonEmitter, ) -> DiagnosticSpan { - let start = je.sm.lookup_char_pos(span.lo()); + let empty_source_map; + let sm = match &je.sm { + Some(s) => s, + None => { + span = rustc_span::DUMMY_SP; + empty_source_map = Arc::new(SourceMap::new(FilePathMapping::empty())); + empty_source_map + .new_source_file(std::path::PathBuf::from("empty.rs").into(), String::new()); + &empty_source_map + } + }; + let start = sm.lookup_char_pos(span.lo()); // If this goes from the start of a line to the end and the replacement // is an empty string, increase the length to include the newline so we don't // leave an empty line if start.col.0 == 0 && let Some((suggestion, _)) = suggestion && suggestion.is_empty() - && let Ok(after) = je.sm.span_to_next_source(span) + && let Ok(after) = sm.span_to_next_source(span) && after.starts_with('\n') { span = span.with_hi(span.hi() + rustc_span::BytePos(1)); } - let end = je.sm.lookup_char_pos(span.hi()); + let end = sm.lookup_char_pos(span.hi()); let backtrace_step = backtrace.next().map(|bt| { let call_site = Self::from_span_full(bt.call_site, false, None, None, backtrace, je); let def_site_span = Self::from_span_full( - je.sm.guess_head_span(bt.def_site), + sm.guess_head_span(bt.def_site), false, None, None, @@ -489,7 +500,7 @@ impl DiagnosticSpan { }); DiagnosticSpan { - file_name: je.sm.filename_for_diagnostics(&start.file.name).to_string(), + file_name: sm.filename_for_diagnostics(&start.file.name).to_string(), byte_start: start.file.original_relative_byte_pos(span.lo()).0, byte_end: start.file.original_relative_byte_pos(span.hi()).0, line_start: start.line, @@ -559,19 +570,20 @@ impl DiagnosticSpanLine { /// `span` within the line. fn from_span(span: Span, je: &JsonEmitter) -> Vec { je.sm - .span_to_lines(span) - .map(|lines| { + .as_ref() + .and_then(|sm| { + let lines = sm.span_to_lines(span).ok()?; // We can't get any lines if the source is unavailable. if !should_show_source_code( &je.ignored_directories_in_source_blocks, - &je.sm, + &sm, &lines.file, ) { - return vec![]; + return None; } let sf = &*lines.file; - lines + let span_lines = lines .lines .iter() .map(|line| { @@ -582,8 +594,9 @@ impl DiagnosticSpanLine { line.end_col.0 + 1, ) }) - .collect() + .collect(); + Some(span_lines) }) - .unwrap_or_else(|_| vec![]) + .unwrap_or_default() } } diff --git a/compiler/rustc_errors/src/json/tests.rs b/compiler/rustc_errors/src/json/tests.rs index 0de555b83d3a..cebaf7c1cfe4 100644 --- a/compiler/rustc_errors/src/json/tests.rs +++ b/compiler/rustc_errors/src/json/tests.rs @@ -47,7 +47,7 @@ fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) { let output = Arc::new(Mutex::new(Vec::new())); let je = JsonEmitter::new( Box::new(Shared { data: output.clone() }), - sm, + Some(sm), fallback_bundle, true, // pretty HumanReadableErrorType::Short, diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 68e0191f45e7..17433eed9e76 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -408,11 +408,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ crate_type, CrateLevel, template!(NameValueStr: "bin|lib|..."), DuplicatesOk, EncodeCrossCrate::No, ), - // crate_id is deprecated - ungated!( - crate_id, CrateLevel, template!(NameValueStr: "ignored"), FutureWarnFollowing, - EncodeCrossCrate::No, - ), // ABI, linking, symbols, and FFI ungated!( @@ -448,7 +443,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), // Entry point: - ungated!(no_start, CrateLevel, template!(Word), WarnFollowing, EncodeCrossCrate::No), ungated!(no_main, CrateLevel, template!(Word), WarnFollowing, EncodeCrossCrate::No), // Modules, prelude, and resolution: @@ -532,7 +526,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), // RFC 2412 gated!( - optimize, Normal, template!(List: "size|speed"), ErrorPreceding, + optimize, Normal, template!(List: "none|size|speed"), ErrorPreceding, EncodeCrossCrate::No, optimize_attribute, experimental!(optimize) ), diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index 512d379687bc..be4004f5904c 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -353,7 +353,13 @@ hir_analysis_missing_type_params = [one] reference *[other] references } to {$parameters} - .note = because of the default `Self` reference, type parameters must be specified on object types + .note = because the parameter {$parameterCount -> + [one] default references + *[other] defaults reference + } `Self`, the {$parameterCount -> + [one] parameter + *[other] parameters + } must be specified on the object type hir_analysis_multiple_relaxed_default_bounds = type parameter has more than one relaxed default bound, only one is supported diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs index 72ad190df7ee..e59ff02642cf 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/dyn_compatibility.rs @@ -237,16 +237,10 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { // Skip `Self` .skip(1) .map(|(index, arg)| { - if arg == dummy_self.into() { + if arg.walk().any(|arg| arg == dummy_self.into()) { let param = &generics.own_params[index]; missing_type_params.push(param.name); Ty::new_misc_error(tcx).into() - } else if arg.walk().any(|arg| arg == dummy_self.into()) { - let guar = self.dcx().span_delayed_bug( - span, - "trait object trait bounds reference `Self`", - ); - replace_dummy_self_with_error(tcx, arg, guar) } else { arg } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 16294970f053..928010c03c2e 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -185,6 +185,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { rhs_ty: Ty<'tcx>, can_satisfy: impl FnOnce(Ty<'tcx>, Ty<'tcx>) -> bool, ) -> bool { + if lhs_expr.span.in_derive_expansion() || rhs_expr.span.in_derive_expansion() { + return false; + } let Some((_, lhs_output_ty, lhs_inputs)) = self.extract_callable_info(lhs_ty) else { return false; }; diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 64c8f00cc833..7e64f7f002ff 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -69,12 +69,10 @@ lint_builtin_const_no_mangle = const items should never be `#[no_mangle]` lint_builtin_decl_unsafe_fn = declaration of an `unsafe` function lint_builtin_decl_unsafe_method = declaration of an `unsafe` method -lint_builtin_deprecated_attr_default_suggestion = remove this attribute lint_builtin_deprecated_attr_link = use of deprecated attribute `{$name}`: {$reason}. See {$link} .msg_suggestion = {$msg} .default_suggestion = remove this attribute -lint_builtin_deprecated_attr_used = use of deprecated attribute `{$name}`: no longer used lint_builtin_deref_nullptr = dereferencing a null pointer .label = this code causes undefined behavior when executed diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index fb3cf5afad03..876ef944d650 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -20,7 +20,7 @@ use rustc_abi::BackendRepr; use rustc_ast::tokenstream::{TokenStream, TokenTree}; use rustc_ast::visit::{FnCtxt, FnKind}; use rustc_ast::{self as ast, *}; -use rustc_ast_pretty::pprust::{self, expr_to_string}; +use rustc_ast_pretty::pprust::expr_to_string; use rustc_errors::{Applicability, LintDiagnostic}; use rustc_feature::{AttributeGate, BuiltinAttribute, GateIssue, Stability, deprecated_attributes}; use rustc_hir as hir; @@ -49,7 +49,7 @@ use rustc_trait_selection::traits::{self}; use crate::errors::BuiltinEllipsisInclusiveRangePatterns; use crate::lints::{ BuiltinAnonymousParams, BuiltinConstNoMangle, BuiltinDeprecatedAttrLink, - BuiltinDeprecatedAttrLinkSuggestion, BuiltinDeprecatedAttrUsed, BuiltinDerefNullptr, + BuiltinDeprecatedAttrLinkSuggestion, BuiltinDerefNullptr, BuiltinEllipsisInclusiveRangePatternsLint, BuiltinExplicitOutlives, BuiltinExplicitOutlivesSuggestion, BuiltinFeatureIssueNote, BuiltinIncompleteFeatures, BuiltinIncompleteFeaturesHelp, BuiltinInternalFeatures, BuiltinKeywordIdents, @@ -848,12 +848,6 @@ impl EarlyLintPass for DeprecatedAttr { return; } } - if attr.has_name(sym::no_start) || attr.has_name(sym::crate_id) { - cx.emit_span_lint(DEPRECATED, attr.span, BuiltinDeprecatedAttrUsed { - name: pprust::path_to_string(&attr.get_normal_item().path), - suggestion: attr.span, - }); - } } } diff --git a/compiler/rustc_lint/src/early/diagnostics/check_cfg.rs b/compiler/rustc_lint/src/early/diagnostics/check_cfg.rs index eebb131599a2..da6dd8161ee5 100644 --- a/compiler/rustc_lint/src/early/diagnostics/check_cfg.rs +++ b/compiler/rustc_lint/src/early/diagnostics/check_cfg.rs @@ -10,19 +10,35 @@ use crate::lints; const MAX_CHECK_CFG_NAMES_OR_VALUES: usize = 35; +enum FilterWellKnownNames { + Yes, + No, +} + fn sort_and_truncate_possibilities( sess: &Session, mut possibilities: Vec, + filter_well_known_names: FilterWellKnownNames, ) -> (Vec, usize) { + let possibilities_len = possibilities.len(); + let n_possibilities = if sess.opts.unstable_opts.check_cfg_all_expected { possibilities.len() } else { + match filter_well_known_names { + FilterWellKnownNames::Yes => { + possibilities.retain(|cfg_name| { + !sess.psess.check_config.well_known_names.contains(cfg_name) + }); + } + FilterWellKnownNames::No => {} + }; std::cmp::min(possibilities.len(), MAX_CHECK_CFG_NAMES_OR_VALUES) }; possibilities.sort_by(|s1, s2| s1.as_str().cmp(s2.as_str())); - let and_more = possibilities.len().saturating_sub(n_possibilities); + let and_more = possibilities_len.saturating_sub(n_possibilities); possibilities.truncate(n_possibilities); (possibilities, and_more) } @@ -198,8 +214,10 @@ pub(super) fn unexpected_cfg_name( } else { vec![] }; + + let (possibilities, and_more) = + sort_and_truncate_possibilities(sess, possibilities, FilterWellKnownNames::Yes); let expected_names = if !possibilities.is_empty() { - let (possibilities, and_more) = sort_and_truncate_possibilities(sess, possibilities); let possibilities: Vec<_> = possibilities.into_iter().map(|s| Ident::new(s, name_span)).collect(); Some(lints::unexpected_cfg_name::ExpectedNames { @@ -269,8 +287,11 @@ pub(super) fn unexpected_cfg_value( // for names as the possibilities could be very long let code_sugg = if !possibilities.is_empty() { let expected_values = { - let (possibilities, and_more) = - sort_and_truncate_possibilities(sess, possibilities.clone()); + let (possibilities, and_more) = sort_and_truncate_possibilities( + sess, + possibilities.clone(), + FilterWellKnownNames::No, + ); lints::unexpected_cfg_value::ExpectedValues { name, have_none_possibility, diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 84a6272198fa..0b7d1f45f2a0 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -177,19 +177,6 @@ pub(crate) enum BuiltinDeprecatedAttrLinkSuggestion<'a> { }, } -#[derive(LintDiagnostic)] -#[diag(lint_builtin_deprecated_attr_used)] -pub(crate) struct BuiltinDeprecatedAttrUsed { - pub name: String, - #[suggestion( - lint_builtin_deprecated_attr_default_suggestion, - style = "short", - code = "", - applicability = "machine-applicable" - )] - pub suggestion: Span, -} - #[derive(LintDiagnostic)] #[diag(lint_builtin_unused_doc_comment)] pub(crate) struct BuiltinUnusedDocComment<'a> { diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 9fc527a6a3ab..5cdd18f5ea90 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -60,6 +60,7 @@ declare_lint_pass! { LARGE_ASSIGNMENTS, LATE_BOUND_LIFETIME_ARGUMENTS, LEGACY_DERIVE_HELPERS, + LINKER_MESSAGES, LONG_RUNNING_CONST_EVAL, LOSSY_PROVENANCE_CASTS, MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS, @@ -4085,6 +4086,39 @@ declare_lint! { "call to foreign functions or function pointers with FFI-unwind ABI" } +declare_lint! { + /// The `linker_messages` lint forwards warnings from the linker. + /// + /// ### Example + /// + /// ```rust,ignore (needs CLI args, platform-specific) + /// extern "C" { + /// fn foo(); + /// } + /// fn main () { unsafe { foo(); } } + /// ``` + /// + /// On Linux, using `gcc -Wl,--warn-unresolved-symbols` as a linker, this will produce + /// + /// ```text + /// warning: linker stderr: rust-lld: undefined symbol: foo + /// >>> referenced by rust_out.69edbd30df4ae57d-cgu.0 + /// >>> rust_out.rust_out.69edbd30df4ae57d-cgu.0.rcgu.o:(rust_out::main::h3a90094b06757803) + /// | + /// = note: `#[warn(linker_messages)]` on by default + /// + /// warning: 1 warning emitted + /// ``` + /// + /// ### Explanation + /// + /// Linkers emit platform-specific and program-specific warnings that cannot be predicted in advance by the rust compiler. + /// They are forwarded by default, but can be disabled by adding `#![allow(linker_messages)]` at the crate root. + pub LINKER_MESSAGES, + Warn, + "warnings emitted at runtime by the target-specific linker program" +} + declare_lint! { /// The `named_arguments_used_positionally` lint detects cases where named arguments are only /// used positionally in format strings. This usage is valid but potentially very confusing. diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 7786d3eb59af..9f4c5d89d0e9 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -161,7 +161,19 @@ impl ToStableHashKey for LintExpectation /// Setting for how to handle a lint. /// /// See: -#[derive(Clone, Copy, PartialEq, PartialOrd, Eq, Ord, Debug, Hash, HashStable_Generic)] +#[derive( + Clone, + Copy, + PartialEq, + PartialOrd, + Eq, + Ord, + Debug, + Hash, + Encodable, + Decodable, + HashStable_Generic +)] pub enum Level { /// The `allow` level will not issue any message. Allow, diff --git a/compiler/rustc_middle/src/lint.rs b/compiler/rustc_middle/src/lint.rs index 620d9f1c3579..cae980cde613 100644 --- a/compiler/rustc_middle/src/lint.rs +++ b/compiler/rustc_middle/src/lint.rs @@ -4,7 +4,7 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_data_structures::sorted_map::SortedMap; use rustc_errors::{Diag, MultiSpan}; use rustc_hir::{HirId, ItemLocalId}; -use rustc_macros::HashStable; +use rustc_macros::{Decodable, Encodable, HashStable}; use rustc_session::Session; use rustc_session::lint::builtin::{self, FORBIDDEN_LINT_GROUPS}; use rustc_session::lint::{FutureIncompatibilityReason, Level, Lint, LintExpectationId, LintId}; @@ -15,7 +15,7 @@ use tracing::instrument; use crate::ty::TyCtxt; /// How a lint level was set. -#[derive(Clone, Copy, PartialEq, Eq, HashStable, Debug)] +#[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, HashStable, Debug)] pub enum LintLevelSource { /// Lint is at the default level as declared in rustc. Default, @@ -173,7 +173,7 @@ impl TyCtxt<'_> { /// This struct represents a lint expectation and holds all required information /// to emit the `unfulfilled_lint_expectations` lint if it is unfulfilled after /// the `LateLintPass` has completed. -#[derive(Clone, Debug, HashStable)] +#[derive(Clone, Debug, Encodable, Decodable, HashStable)] pub struct LintExpectation { /// The reason for this expectation that can optionally be added as part of /// the attribute. It will be displayed as part of the lint message. diff --git a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs index e05f42af6fd2..cc980f6e62ae 100644 --- a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs +++ b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs @@ -147,7 +147,7 @@ impl CodegenFnAttrs { CodegenFnAttrs { flags: CodegenFnAttrFlags::empty(), inline: InlineAttr::None, - optimize: OptimizeAttr::None, + optimize: OptimizeAttr::Default, export_name: None, link_name: None, link_ordinal: None, diff --git a/compiler/rustc_mir_build/messages.ftl b/compiler/rustc_mir_build/messages.ftl index ffdb721fb18b..053775b49378 100644 --- a/compiler/rustc_mir_build/messages.ftl +++ b/compiler/rustc_mir_build/messages.ftl @@ -25,6 +25,8 @@ mir_build_borrow_of_moved_value = borrow of moved value .occurs_because_label = move occurs because `{$name}` has type `{$ty}`, which does not implement the `Copy` trait .value_borrowed_label = value borrowed here after move .suggestion = borrow this binding in the pattern to avoid moving the value + .full_type_name = the full type name has been written to '{$path}' + .consider_verbose = consider using `--verbose` to print the full type name to the console mir_build_call_to_deprecated_safe_fn_requires_unsafe = call to deprecated safe function `{$function}` is unsafe and requires unsafe block diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index 83aec9ccdefc..c3bf5868eecd 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -790,7 +790,7 @@ pub(crate) struct IrrefutableLetPatternsWhileLet { #[derive(Diagnostic)] #[diag(mir_build_borrow_of_moved_value)] -pub(crate) struct BorrowOfMovedValue<'tcx> { +pub(crate) struct BorrowOfMovedValue { #[primary_span] #[label] #[label(mir_build_occurs_because_label)] @@ -798,9 +798,13 @@ pub(crate) struct BorrowOfMovedValue<'tcx> { #[label(mir_build_value_borrowed_label)] pub(crate) conflicts_ref: Vec, pub(crate) name: Symbol, - pub(crate) ty: Ty<'tcx>, + pub(crate) ty: String, #[suggestion(code = "ref ", applicability = "machine-applicable")] pub(crate) suggest_borrowing: Option, + #[note(mir_build_full_type_name)] + #[note(mir_build_consider_verbose)] + pub(crate) has_path: bool, + pub(crate) path: String, } #[derive(Diagnostic)] diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index b5b7b54a1cc3..d8b04398d9a5 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -795,12 +795,16 @@ fn check_borrow_conflicts_in_at_patterns<'tcx>(cx: &MatchVisitor<'_, 'tcx>, pat: } }); if !conflicts_ref.is_empty() { + let mut path = None; + let ty = cx.tcx.short_ty_string(ty, &mut path); sess.dcx().emit_err(BorrowOfMovedValue { binding_span: pat.span, conflicts_ref, name, ty, suggest_borrowing: Some(pat.span.shrink_to_lo()), + has_path: path.is_some(), + path: path.map(|p| p.display().to_string()).unwrap_or_default(), }); } return; diff --git a/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs b/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs index 03f11885d58a..5bd6fdcf4857 100644 --- a/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs +++ b/compiler/rustc_mir_transform/src/abort_unwinding_calls.rs @@ -116,4 +116,8 @@ impl<'tcx> crate::MirPass<'tcx> for AbortUnwindingCalls { // We may have invalidated some `cleanup` blocks so clean those up now. super::simplify::remove_dead_blocks(body); } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/add_call_guards.rs b/compiler/rustc_mir_transform/src/add_call_guards.rs index 24c955c0c78c..55694cacd92e 100644 --- a/compiler/rustc_mir_transform/src/add_call_guards.rs +++ b/compiler/rustc_mir_transform/src/add_call_guards.rs @@ -75,4 +75,8 @@ impl<'tcx> crate::MirPass<'tcx> for AddCallGuards { body.basic_blocks_mut().extend(new_blocks); } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/add_moves_for_packed_drops.rs b/compiler/rustc_mir_transform/src/add_moves_for_packed_drops.rs index 12a2fe23b149..87ae2b716543 100644 --- a/compiler/rustc_mir_transform/src/add_moves_for_packed_drops.rs +++ b/compiler/rustc_mir_transform/src/add_moves_for_packed_drops.rs @@ -68,6 +68,10 @@ impl<'tcx> crate::MirPass<'tcx> for AddMovesForPackedDrops { patch.apply(body); } + + fn is_required(&self) -> bool { + true + } } fn add_move_for_packed_drop<'tcx>( diff --git a/compiler/rustc_mir_transform/src/add_retag.rs b/compiler/rustc_mir_transform/src/add_retag.rs index 53176eec9bcb..1fc788a2dade 100644 --- a/compiler/rustc_mir_transform/src/add_retag.rs +++ b/compiler/rustc_mir_transform/src/add_retag.rs @@ -176,4 +176,8 @@ impl<'tcx> crate::MirPass<'tcx> for AddRetag { } } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/add_subtyping_projections.rs b/compiler/rustc_mir_transform/src/add_subtyping_projections.rs index e585e338613d..e41f47db545b 100644 --- a/compiler/rustc_mir_transform/src/add_subtyping_projections.rs +++ b/compiler/rustc_mir_transform/src/add_subtyping_projections.rs @@ -61,4 +61,8 @@ impl<'tcx> crate::MirPass<'tcx> for Subtyper { } checker.patcher.apply(body); } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/check_alignment.rs b/compiler/rustc_mir_transform/src/check_alignment.rs index 1b7c89fd2518..d7e22c123942 100644 --- a/compiler/rustc_mir_transform/src/check_alignment.rs +++ b/compiler/rustc_mir_transform/src/check_alignment.rs @@ -60,6 +60,10 @@ impl<'tcx> crate::MirPass<'tcx> for CheckAlignment { } } } + + fn is_required(&self) -> bool { + true + } } struct PointerFinder<'a, 'tcx> { diff --git a/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs b/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs index 6a22a58470c9..cb8440198573 100644 --- a/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs +++ b/compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs @@ -72,4 +72,8 @@ impl<'tcx> crate::MirPass<'tcx> for CleanupPostBorrowck { decl.user_ty = None; } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/copy_prop.rs b/compiler/rustc_mir_transform/src/copy_prop.rs index f149bf97cde6..27af5818982d 100644 --- a/compiler/rustc_mir_transform/src/copy_prop.rs +++ b/compiler/rustc_mir_transform/src/copy_prop.rs @@ -56,6 +56,10 @@ impl<'tcx> crate::MirPass<'tcx> for CopyProp { crate::simplify::remove_unused_definitions(body); } } + + fn is_required(&self) -> bool { + false + } } /// `SsaLocals` computed equivalence classes between locals considering copy/move assignments. diff --git a/compiler/rustc_mir_transform/src/coroutine.rs b/compiler/rustc_mir_transform/src/coroutine.rs index a3715b5d4855..3b75be58e437 100644 --- a/compiler/rustc_mir_transform/src/coroutine.rs +++ b/compiler/rustc_mir_transform/src/coroutine.rs @@ -1688,6 +1688,10 @@ impl<'tcx> crate::MirPass<'tcx> for StateTransform { // Run derefer to fix Derefs that are not in the first place deref_finder(tcx, body); } + + fn is_required(&self) -> bool { + true + } } /// Looks for any assignments between locals (e.g., `_4 = _5`) that will both be converted to fields diff --git a/compiler/rustc_mir_transform/src/coverage/mod.rs b/compiler/rustc_mir_transform/src/coverage/mod.rs index b8aa76a7dbe5..15487d05a301 100644 --- a/compiler/rustc_mir_transform/src/coverage/mod.rs +++ b/compiler/rustc_mir_transform/src/coverage/mod.rs @@ -61,6 +61,10 @@ impl<'tcx> crate::MirPass<'tcx> for InstrumentCoverage { instrument_function_for_coverage(tcx, mir_body); } + + fn is_required(&self) -> bool { + false + } } fn instrument_function_for_coverage<'tcx>(tcx: TyCtxt<'tcx>, mir_body: &mut mir::Body<'tcx>) { diff --git a/compiler/rustc_mir_transform/src/cross_crate_inline.rs b/compiler/rustc_mir_transform/src/cross_crate_inline.rs index 8fce856687cb..4f45d9588a89 100644 --- a/compiler/rustc_mir_transform/src/cross_crate_inline.rs +++ b/compiler/rustc_mir_transform/src/cross_crate_inline.rs @@ -69,7 +69,7 @@ fn cross_crate_inlinable(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { // Don't do any inference if codegen optimizations are disabled and also MIR inlining is not // enabled. This ensures that we do inference even if someone only passes -Zinline-mir, // which is less confusing than having to also enable -Copt-level=1. - let inliner_will_run = pm::should_run_pass(tcx, &inline::Inline) + let inliner_will_run = pm::should_run_pass(tcx, &inline::Inline, pm::Optimizations::Allowed) || inline::ForceInline::should_run_pass_for_callee(tcx, def_id.to_def_id()); if matches!(tcx.sess.opts.optimize, OptLevel::No) && !inliner_will_run { return false; diff --git a/compiler/rustc_mir_transform/src/ctfe_limit.rs b/compiler/rustc_mir_transform/src/ctfe_limit.rs index bd58b1b66899..d0b313e149ac 100644 --- a/compiler/rustc_mir_transform/src/ctfe_limit.rs +++ b/compiler/rustc_mir_transform/src/ctfe_limit.rs @@ -36,6 +36,10 @@ impl<'tcx> crate::MirPass<'tcx> for CtfeLimit { ); } } + + fn is_required(&self) -> bool { + true + } } fn has_back_edge( diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index 51af77778af8..8879e029346d 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -71,6 +71,10 @@ impl<'tcx> crate::MirPass<'tcx> for DataflowConstProp { let mut patch = visitor.patch; debug_span!("patch").in_scope(|| patch.visit_body_preserves_cfg(body)); } + + fn is_required(&self) -> bool { + false + } } // Note: Currently, places that have their reference taken cannot be tracked. Although this would diff --git a/compiler/rustc_mir_transform/src/dead_store_elimination.rs b/compiler/rustc_mir_transform/src/dead_store_elimination.rs index 434e921d4392..eea2b0990d73 100644 --- a/compiler/rustc_mir_transform/src/dead_store_elimination.rs +++ b/compiler/rustc_mir_transform/src/dead_store_elimination.rs @@ -147,4 +147,8 @@ impl<'tcx> crate::MirPass<'tcx> for DeadStoreElimination { fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { eliminate(tcx, body); } + + fn is_required(&self) -> bool { + false + } } diff --git a/compiler/rustc_mir_transform/src/deduplicate_blocks.rs b/compiler/rustc_mir_transform/src/deduplicate_blocks.rs index 26b28c8c4870..63257df66fb9 100644 --- a/compiler/rustc_mir_transform/src/deduplicate_blocks.rs +++ b/compiler/rustc_mir_transform/src/deduplicate_blocks.rs @@ -31,6 +31,10 @@ impl<'tcx> crate::MirPass<'tcx> for DeduplicateBlocks { simplify_cfg(body); } } + + fn is_required(&self) -> bool { + false + } } struct OptApplier<'tcx> { diff --git a/compiler/rustc_mir_transform/src/deref_separator.rs b/compiler/rustc_mir_transform/src/deref_separator.rs index ad7ccef4976a..a54bdaa40759 100644 --- a/compiler/rustc_mir_transform/src/deref_separator.rs +++ b/compiler/rustc_mir_transform/src/deref_separator.rs @@ -81,4 +81,8 @@ impl<'tcx> crate::MirPass<'tcx> for Derefer { fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { deref_finder(tcx, body); } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs index b4f9f1f08ef8..41de1b58b91b 100644 --- a/compiler/rustc_mir_transform/src/dest_prop.rs +++ b/compiler/rustc_mir_transform/src/dest_prop.rs @@ -240,6 +240,10 @@ impl<'tcx> crate::MirPass<'tcx> for DestinationPropagation { trace!(round_count); } + + fn is_required(&self) -> bool { + false + } } #[derive(Debug, Default)] diff --git a/compiler/rustc_mir_transform/src/dump_mir.rs b/compiler/rustc_mir_transform/src/dump_mir.rs index 5dd84975b88e..e4fcbaa483d0 100644 --- a/compiler/rustc_mir_transform/src/dump_mir.rs +++ b/compiler/rustc_mir_transform/src/dump_mir.rs @@ -15,6 +15,10 @@ impl<'tcx> crate::MirPass<'tcx> for Marker { } fn run_pass(&self, _tcx: TyCtxt<'tcx>, _body: &mut Body<'tcx>) {} + + fn is_required(&self) -> bool { + false + } } pub fn emit_mir(tcx: TyCtxt<'_>) -> io::Result<()> { diff --git a/compiler/rustc_mir_transform/src/early_otherwise_branch.rs b/compiler/rustc_mir_transform/src/early_otherwise_branch.rs index 91e1395e7641..eb335a1e4a70 100644 --- a/compiler/rustc_mir_transform/src/early_otherwise_branch.rs +++ b/compiler/rustc_mir_transform/src/early_otherwise_branch.rs @@ -227,6 +227,10 @@ impl<'tcx> crate::MirPass<'tcx> for EarlyOtherwiseBranch { simplify_cfg(body); } } + + fn is_required(&self) -> bool { + false + } } #[derive(Debug)] diff --git a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs index d6ecadbfe29c..6d3b5d9851b3 100644 --- a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs +++ b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs @@ -150,4 +150,8 @@ impl<'tcx> crate::MirPass<'tcx> for ElaborateBoxDerefs { } } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/elaborate_drops.rs b/compiler/rustc_mir_transform/src/elaborate_drops.rs index 988f1a25561e..cb869160c805 100644 --- a/compiler/rustc_mir_transform/src/elaborate_drops.rs +++ b/compiler/rustc_mir_transform/src/elaborate_drops.rs @@ -88,6 +88,10 @@ impl<'tcx> crate::MirPass<'tcx> for ElaborateDrops { elaborate_patch.apply(body); deref_finder(tcx, body); } + + fn is_required(&self) -> bool { + true + } } /// Records unwind edges which are known to be unreachable, because they are in `drop` terminators diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index cb03b422d9e3..dfeb83a0887d 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -163,6 +163,10 @@ impl<'tcx> crate::MirPass<'tcx> for GVN { // statements. StorageRemover { tcx, reused_locals: state.reused_locals }.visit_body_preserves_cfg(body); } + + fn is_required(&self) -> bool { + false + } } newtype_index! { diff --git a/compiler/rustc_mir_transform/src/impossible_predicates.rs b/compiler/rustc_mir_transform/src/impossible_predicates.rs index ba8389bbe2ff..86e2bf6cb3c6 100644 --- a/compiler/rustc_mir_transform/src/impossible_predicates.rs +++ b/compiler/rustc_mir_transform/src/impossible_predicates.rs @@ -53,4 +53,8 @@ impl<'tcx> MirPass<'tcx> for ImpossiblePredicates { body.local_decls.raw.truncate(body.arg_count + 1); } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index 2052e28325c9..95aeccfdda66 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -66,6 +66,10 @@ impl<'tcx> crate::MirPass<'tcx> for Inline { deref_finder(tcx, body); } } + + fn is_required(&self) -> bool { + false + } } pub struct ForceInline; @@ -85,6 +89,10 @@ impl<'tcx> crate::MirPass<'tcx> for ForceInline { false } + fn is_required(&self) -> bool { + true + } + fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { let span = trace_span!("force_inline", body = %tcx.def_path_str(body.source.def_id())); let _guard = span.enter(); diff --git a/compiler/rustc_mir_transform/src/instsimplify.rs b/compiler/rustc_mir_transform/src/instsimplify.rs index 5a36519e6a3b..090dcee42614 100644 --- a/compiler/rustc_mir_transform/src/instsimplify.rs +++ b/compiler/rustc_mir_transform/src/instsimplify.rs @@ -62,6 +62,10 @@ impl<'tcx> crate::MirPass<'tcx> for InstSimplify { simplify_duplicate_switch_targets(block.terminator.as_mut().unwrap()); } } + + fn is_required(&self) -> bool { + false + } } struct InstSimplifyContext<'a, 'tcx> { diff --git a/compiler/rustc_mir_transform/src/jump_threading.rs b/compiler/rustc_mir_transform/src/jump_threading.rs index c73a03489c57..17084eca6e38 100644 --- a/compiler/rustc_mir_transform/src/jump_threading.rs +++ b/compiler/rustc_mir_transform/src/jump_threading.rs @@ -105,6 +105,10 @@ impl<'tcx> crate::MirPass<'tcx> for JumpThreading { } OpportunitySet::new(body, opportunities).apply(body); } + + fn is_required(&self) -> bool { + false + } } #[derive(Debug)] diff --git a/compiler/rustc_mir_transform/src/large_enums.rs b/compiler/rustc_mir_transform/src/large_enums.rs index 490e7dd8f7e0..e201763468b3 100644 --- a/compiler/rustc_mir_transform/src/large_enums.rs +++ b/compiler/rustc_mir_transform/src/large_enums.rs @@ -200,6 +200,10 @@ impl<'tcx> crate::MirPass<'tcx> for EnumSizeOpt { }); } } + + fn is_required(&self) -> bool { + false + } } impl EnumSizeOpt { diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index d1bacf1f5985..2dc55e3614e6 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -388,6 +388,7 @@ fn mir_built(tcx: TyCtxt<'_>, def: LocalDefId) -> &Steal> { &Lint(sanity_check::SanityCheck), ], None, + pm::Optimizations::Allowed, ); tcx.alloc_steal_mir(body) } @@ -440,6 +441,7 @@ fn mir_promoted( &mut body, &[&promote_pass, &simplify::SimplifyCfg::PromoteConsts, &coverage::InstrumentCoverage], Some(MirPhase::Analysis(AnalysisPhase::Initial)), + pm::Optimizations::Allowed, ); lint_tail_expr_drop_order::run_lint(tcx, def, &body); @@ -473,7 +475,7 @@ fn inner_mir_for_ctfe(tcx: TyCtxt<'_>, def: LocalDefId) -> Body<'_> { }; let mut body = remap_mir_for_const_eval_select(tcx, body, hir::Constness::Const); - pm::run_passes(tcx, &mut body, &[&ctfe_limit::CtfeLimit], None); + pm::run_passes(tcx, &mut body, &[&ctfe_limit::CtfeLimit], None, pm::Optimizations::Allowed); body } @@ -493,7 +495,7 @@ fn mir_drops_elaborated_and_const_checked(tcx: TyCtxt<'_>, def: LocalDefId) -> & let is_fn_like = tcx.def_kind(def).is_fn_like(); if is_fn_like { // Do not compute the mir call graph without said call graph actually being used. - if pm::should_run_pass(tcx, &inline::Inline) + if pm::should_run_pass(tcx, &inline::Inline, pm::Optimizations::Allowed) || inline::ForceInline::should_run_pass_for_callee(tcx, def.to_def_id()) { tcx.ensure_with_value().mir_inliner_callees(ty::InstanceKind::Item(def.to_def_id())); @@ -533,6 +535,7 @@ pub fn run_analysis_to_runtime_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<' &Lint(post_drop_elaboration::CheckLiveDrops), ], None, + pm::Optimizations::Allowed, ); } @@ -557,7 +560,13 @@ fn run_analysis_cleanup_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &deref_separator::Derefer, ]; - pm::run_passes(tcx, body, passes, Some(MirPhase::Analysis(AnalysisPhase::PostCleanup))); + pm::run_passes( + tcx, + body, + passes, + Some(MirPhase::Analysis(AnalysisPhase::PostCleanup)), + pm::Optimizations::Allowed, + ); } /// Returns the sequence of passes that lowers analysis to runtime MIR. @@ -597,7 +606,13 @@ fn run_runtime_cleanup_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &simplify::SimplifyCfg::PreOptimizations, ]; - pm::run_passes(tcx, body, passes, Some(MirPhase::Runtime(RuntimePhase::PostCleanup))); + pm::run_passes( + tcx, + body, + passes, + Some(MirPhase::Runtime(RuntimePhase::PostCleanup)), + pm::Optimizations::Allowed, + ); // Clear this by anticipation. Optimizations and runtime MIR have no reason to look // into this information, which is meant for borrowck diagnostics. @@ -611,6 +626,15 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { WithMinOptLevel(1, x) } + let def_id = body.source.def_id(); + let optimizations = if tcx.def_kind(def_id).has_codegen_attrs() + && tcx.codegen_fn_attrs(def_id).optimize.do_not_optimize() + { + pm::Optimizations::Suppressed + } else { + pm::Optimizations::Allowed + }; + // The main optimizations that we do on MIR. pm::run_passes( tcx, @@ -683,6 +707,7 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &dump_mir::Marker("PreCodegen"), ], Some(MirPhase::Runtime(RuntimePhase::Optimized)), + optimizations, ); } diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs index 942c6144ea69..9a9f66ed4fd7 100644 --- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs +++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs @@ -325,4 +325,8 @@ impl<'tcx> crate::MirPass<'tcx> for LowerIntrinsics { } } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/lower_slice_len.rs b/compiler/rustc_mir_transform/src/lower_slice_len.rs index 420661f29c8c..aca80e36e339 100644 --- a/compiler/rustc_mir_transform/src/lower_slice_len.rs +++ b/compiler/rustc_mir_transform/src/lower_slice_len.rs @@ -26,6 +26,10 @@ impl<'tcx> crate::MirPass<'tcx> for LowerSliceLenCalls { lower_slice_len_call(block, slice_len_fn_item_def_id); } } + + fn is_required(&self) -> bool { + false + } } fn lower_slice_len_call<'tcx>(block: &mut BasicBlockData<'tcx>, slice_len_fn_item_def_id: DefId) { diff --git a/compiler/rustc_mir_transform/src/match_branches.rs b/compiler/rustc_mir_transform/src/match_branches.rs index 534ba9917801..500116580d5d 100644 --- a/compiler/rustc_mir_transform/src/match_branches.rs +++ b/compiler/rustc_mir_transform/src/match_branches.rs @@ -49,6 +49,10 @@ impl<'tcx> crate::MirPass<'tcx> for MatchBranchSimplification { simplify_cfg(body); } } + + fn is_required(&self) -> bool { + false + } } trait SimplifyMatch<'tcx> { diff --git a/compiler/rustc_mir_transform/src/mentioned_items.rs b/compiler/rustc_mir_transform/src/mentioned_items.rs index cf5c5f85a9ff..f5c57418467a 100644 --- a/compiler/rustc_mir_transform/src/mentioned_items.rs +++ b/compiler/rustc_mir_transform/src/mentioned_items.rs @@ -27,6 +27,10 @@ impl<'tcx> crate::MirPass<'tcx> for MentionedItems { visitor.visit_body(body); body.set_mentioned_items(visitor.mentioned_items); } + + fn is_required(&self) -> bool { + true + } } // This visitor is carefully in sync with the one in `rustc_monomorphize::collector`. We are diff --git a/compiler/rustc_mir_transform/src/multiple_return_terminators.rs b/compiler/rustc_mir_transform/src/multiple_return_terminators.rs index 6dfa14d6b527..c63bfdcee855 100644 --- a/compiler/rustc_mir_transform/src/multiple_return_terminators.rs +++ b/compiler/rustc_mir_transform/src/multiple_return_terminators.rs @@ -36,4 +36,8 @@ impl<'tcx> crate::MirPass<'tcx> for MultipleReturnTerminators { simplify::remove_dead_blocks(body) } + + fn is_required(&self) -> bool { + false + } } diff --git a/compiler/rustc_mir_transform/src/nrvo.rs b/compiler/rustc_mir_transform/src/nrvo.rs index 35872de38524..965002aae04c 100644 --- a/compiler/rustc_mir_transform/src/nrvo.rs +++ b/compiler/rustc_mir_transform/src/nrvo.rs @@ -71,6 +71,10 @@ impl<'tcx> crate::MirPass<'tcx> for RenameReturnPlace { // The return place is always mutable. ret_decl.mutability = Mutability::Mut; } + + fn is_required(&self) -> bool { + false + } } /// MIR that is eligible for the NRVO must fulfill two conditions: diff --git a/compiler/rustc_mir_transform/src/pass_manager.rs b/compiler/rustc_mir_transform/src/pass_manager.rs index c3f0a989ce10..7a8d3ba1ff1f 100644 --- a/compiler/rustc_mir_transform/src/pass_manager.rs +++ b/compiler/rustc_mir_transform/src/pass_manager.rs @@ -90,6 +90,11 @@ pub(super) trait MirPass<'tcx> { fn is_mir_dump_enabled(&self) -> bool { true } + + /// Returns `true` if this pass must be run (i.e. it is required for soundness). + /// For passes which are strictly optimizations, this should return `false`. + /// If this is `false`, `#[optimize(none)]` will disable the pass. + fn is_required(&self) -> bool; } /// Just like `MirPass`, except it cannot mutate `Body`, and MIR dumping is @@ -134,6 +139,10 @@ where fn is_mir_dump_enabled(&self) -> bool { false } + + fn is_required(&self) -> bool { + true + } } pub(super) struct WithMinOptLevel(pub u32, pub T); @@ -153,6 +162,19 @@ where fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { self.1.run_pass(tcx, body) } + + fn is_required(&self) -> bool { + self.1.is_required() + } +} + +/// Whether to allow non-[required] optimizations +/// +/// [required]: MirPass::is_required +#[derive(Copy, Clone, Debug, PartialEq, Eq)] +pub(crate) enum Optimizations { + Suppressed, + Allowed, } /// Run the sequence of passes without validating the MIR after each pass. The MIR is still @@ -163,7 +185,7 @@ pub(super) fn run_passes_no_validate<'tcx>( passes: &[&dyn MirPass<'tcx>], phase_change: Option, ) { - run_passes_inner(tcx, body, passes, phase_change, false); + run_passes_inner(tcx, body, passes, phase_change, false, Optimizations::Allowed); } /// The optional `phase_change` is applied after executing all the passes, if present @@ -172,11 +194,16 @@ pub(super) fn run_passes<'tcx>( body: &mut Body<'tcx>, passes: &[&dyn MirPass<'tcx>], phase_change: Option, + optimizations: Optimizations, ) { - run_passes_inner(tcx, body, passes, phase_change, true); + run_passes_inner(tcx, body, passes, phase_change, true, optimizations); } -pub(super) fn should_run_pass<'tcx, P>(tcx: TyCtxt<'tcx>, pass: &P) -> bool +pub(super) fn should_run_pass<'tcx, P>( + tcx: TyCtxt<'tcx>, + pass: &P, + optimizations: Optimizations, +) -> bool where P: MirPass<'tcx> + ?Sized, { @@ -196,7 +223,8 @@ where ); *polarity }); - overridden.unwrap_or_else(|| pass.is_enabled(tcx.sess)) + let suppressed = !pass.is_required() && matches!(optimizations, Optimizations::Suppressed); + overridden.unwrap_or_else(|| !suppressed && pass.is_enabled(tcx.sess)) } fn run_passes_inner<'tcx>( @@ -205,6 +233,7 @@ fn run_passes_inner<'tcx>( passes: &[&dyn MirPass<'tcx>], phase_change: Option, validate_each: bool, + optimizations: Optimizations, ) { let overridden_passes = &tcx.sess.opts.unstable_opts.mir_enable_passes; trace!(?overridden_passes); @@ -243,7 +272,7 @@ fn run_passes_inner<'tcx>( for pass in passes { let name = pass.name(); - if !should_run_pass(tcx, *pass) { + if !should_run_pass(tcx, *pass, optimizations) { continue; }; diff --git a/compiler/rustc_mir_transform/src/post_analysis_normalize.rs b/compiler/rustc_mir_transform/src/post_analysis_normalize.rs index 3eecf79a7eae..76c2f082c0bf 100644 --- a/compiler/rustc_mir_transform/src/post_analysis_normalize.rs +++ b/compiler/rustc_mir_transform/src/post_analysis_normalize.rs @@ -15,6 +15,10 @@ impl<'tcx> crate::MirPass<'tcx> for PostAnalysisNormalize { let typing_env = ty::TypingEnv::post_analysis(tcx, body.source.def_id()); PostAnalysisNormalizeVisitor { tcx, typing_env }.visit_body_preserves_cfg(body); } + + fn is_required(&self) -> bool { + true + } } struct PostAnalysisNormalizeVisitor<'tcx> { diff --git a/compiler/rustc_mir_transform/src/prettify.rs b/compiler/rustc_mir_transform/src/prettify.rs index 51abd4da86eb..8ccfbe2f194b 100644 --- a/compiler/rustc_mir_transform/src/prettify.rs +++ b/compiler/rustc_mir_transform/src/prettify.rs @@ -35,6 +35,10 @@ impl<'tcx> crate::MirPass<'tcx> for ReorderBasicBlocks { permute(body.basic_blocks.as_mut(), &updater.map); } + + fn is_required(&self) -> bool { + false + } } /// Rearranges the locals into *use* order. @@ -85,6 +89,10 @@ impl<'tcx> crate::MirPass<'tcx> for ReorderLocals { permute(&mut body.local_decls, &updater.map); } + + fn is_required(&self) -> bool { + false + } } fn permute(data: &mut IndexVec, map: &IndexSlice) { diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs index 6be95b1f0f1e..6aa3343bb6e3 100644 --- a/compiler/rustc_mir_transform/src/promote_consts.rs +++ b/compiler/rustc_mir_transform/src/promote_consts.rs @@ -61,6 +61,10 @@ impl<'tcx> crate::MirPass<'tcx> for PromoteTemps<'tcx> { let promoted = promote_candidates(body, tcx, temps, promotable_candidates); self.promoted_fragments.set(promoted); } + + fn is_required(&self) -> bool { + true + } } /// State of a temporary during collection and promotion. diff --git a/compiler/rustc_mir_transform/src/ref_prop.rs b/compiler/rustc_mir_transform/src/ref_prop.rs index 95b05f94270a..368d5340ac34 100644 --- a/compiler/rustc_mir_transform/src/ref_prop.rs +++ b/compiler/rustc_mir_transform/src/ref_prop.rs @@ -81,6 +81,10 @@ impl<'tcx> crate::MirPass<'tcx> for ReferencePropagation { debug!(def_id = ?body.source.def_id()); while propagate_ssa(tcx, body) {} } + + fn is_required(&self) -> bool { + false + } } fn propagate_ssa<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) -> bool { diff --git a/compiler/rustc_mir_transform/src/remove_noop_landing_pads.rs b/compiler/rustc_mir_transform/src/remove_noop_landing_pads.rs index 76a3edfe0be4..9cdd52bec7bb 100644 --- a/compiler/rustc_mir_transform/src/remove_noop_landing_pads.rs +++ b/compiler/rustc_mir_transform/src/remove_noop_landing_pads.rs @@ -74,6 +74,10 @@ impl<'tcx> crate::MirPass<'tcx> for RemoveNoopLandingPads { debug!("removed {:?} jumps and {:?} landing pads", jumps_folded, landing_pads_removed); } + + fn is_required(&self) -> bool { + true + } } impl RemoveNoopLandingPads { diff --git a/compiler/rustc_mir_transform/src/remove_place_mention.rs b/compiler/rustc_mir_transform/src/remove_place_mention.rs index 71399eb72f00..15fe77d53195 100644 --- a/compiler/rustc_mir_transform/src/remove_place_mention.rs +++ b/compiler/rustc_mir_transform/src/remove_place_mention.rs @@ -20,4 +20,8 @@ impl<'tcx> crate::MirPass<'tcx> for RemovePlaceMention { }) } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/remove_storage_markers.rs b/compiler/rustc_mir_transform/src/remove_storage_markers.rs index 3ecb4a8994f5..1ae33c009687 100644 --- a/compiler/rustc_mir_transform/src/remove_storage_markers.rs +++ b/compiler/rustc_mir_transform/src/remove_storage_markers.rs @@ -22,4 +22,8 @@ impl<'tcx> crate::MirPass<'tcx> for RemoveStorageMarkers { }) } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/remove_uninit_drops.rs b/compiler/rustc_mir_transform/src/remove_uninit_drops.rs index e955d8277a45..9044a88295cc 100644 --- a/compiler/rustc_mir_transform/src/remove_uninit_drops.rs +++ b/compiler/rustc_mir_transform/src/remove_uninit_drops.rs @@ -62,6 +62,10 @@ impl<'tcx> crate::MirPass<'tcx> for RemoveUninitDrops { block.terminator_mut().kind = TerminatorKind::Goto { target: *target }; } } + + fn is_required(&self) -> bool { + true + } } fn is_needs_drop_and_init<'tcx>( diff --git a/compiler/rustc_mir_transform/src/remove_unneeded_drops.rs b/compiler/rustc_mir_transform/src/remove_unneeded_drops.rs index e335051d6564..8a8cdafc6907 100644 --- a/compiler/rustc_mir_transform/src/remove_unneeded_drops.rs +++ b/compiler/rustc_mir_transform/src/remove_unneeded_drops.rs @@ -38,4 +38,8 @@ impl<'tcx> crate::MirPass<'tcx> for RemoveUnneededDrops { simplify_cfg(body); } } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/remove_zsts.rs b/compiler/rustc_mir_transform/src/remove_zsts.rs index 55e5701bd0af..78d94a038671 100644 --- a/compiler/rustc_mir_transform/src/remove_zsts.rs +++ b/compiler/rustc_mir_transform/src/remove_zsts.rs @@ -27,6 +27,10 @@ impl<'tcx> crate::MirPass<'tcx> for RemoveZsts { replacer.visit_basic_block_data(bb, data); } } + + fn is_required(&self) -> bool { + true + } } struct Replacer<'a, 'tcx> { diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs index 4648ec33c934..f7ec0f740d30 100644 --- a/compiler/rustc_mir_transform/src/shim.rs +++ b/compiler/rustc_mir_transform/src/shim.rs @@ -119,6 +119,7 @@ fn make_shim<'tcx>(tcx: TyCtxt<'tcx>, instance: ty::InstanceKind<'tcx>) -> Body< &add_call_guards::CriticalCallEdges, ], Some(MirPhase::Runtime(RuntimePhase::Optimized)), + pm::Optimizations::Allowed, ); return body; diff --git a/compiler/rustc_mir_transform/src/simplify.rs b/compiler/rustc_mir_transform/src/simplify.rs index 4f312ed2aaab..67070f03dedb 100644 --- a/compiler/rustc_mir_transform/src/simplify.rs +++ b/compiler/rustc_mir_transform/src/simplify.rs @@ -83,6 +83,10 @@ impl<'tcx> crate::MirPass<'tcx> for SimplifyCfg { debug!("SimplifyCfg({:?}) - simplifying {:?}", self.name(), body.source); simplify_cfg(body); } + + fn is_required(&self) -> bool { + false + } } struct CfgSimplifier<'a, 'tcx> { @@ -405,6 +409,10 @@ impl<'tcx> crate::MirPass<'tcx> for SimplifyLocals { body.local_decls.shrink_to_fit(); } } + + fn is_required(&self) -> bool { + false + } } pub(super) fn remove_unused_definitions<'tcx>(body: &mut Body<'tcx>) { diff --git a/compiler/rustc_mir_transform/src/simplify_branches.rs b/compiler/rustc_mir_transform/src/simplify_branches.rs index bea3d0d8557a..12c3503879fb 100644 --- a/compiler/rustc_mir_transform/src/simplify_branches.rs +++ b/compiler/rustc_mir_transform/src/simplify_branches.rs @@ -60,4 +60,8 @@ impl<'tcx> crate::MirPass<'tcx> for SimplifyConstCondition { }; } } + + fn is_required(&self) -> bool { + false + } } diff --git a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs index b6d801730866..c0f25c7ecfeb 100644 --- a/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs +++ b/compiler/rustc_mir_transform/src/simplify_comparison_integral.rs @@ -140,6 +140,10 @@ impl<'tcx> crate::MirPass<'tcx> for SimplifyComparisonIntegral { body.basic_blocks_mut()[idx].statements.insert(0, stmt); } } + + fn is_required(&self) -> bool { + false + } } struct OptimizationFinder<'a, 'tcx> { diff --git a/compiler/rustc_mir_transform/src/single_use_consts.rs b/compiler/rustc_mir_transform/src/single_use_consts.rs index 10b3c0ae94f2..c5e951eb8b2c 100644 --- a/compiler/rustc_mir_transform/src/single_use_consts.rs +++ b/compiler/rustc_mir_transform/src/single_use_consts.rs @@ -81,6 +81,10 @@ impl<'tcx> crate::MirPass<'tcx> for SingleUseConsts { } } } + + fn is_required(&self) -> bool { + true + } } #[derive(Copy, Clone, Debug)] diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs index d54ea3feab6e..92e5c8a9ca42 100644 --- a/compiler/rustc_mir_transform/src/sroa.rs +++ b/compiler/rustc_mir_transform/src/sroa.rs @@ -48,6 +48,10 @@ impl<'tcx> crate::MirPass<'tcx> for ScalarReplacementOfAggregates { } } } + + fn is_required(&self) -> bool { + false + } } /// Identify all locals that are not eligible for SROA. diff --git a/compiler/rustc_mir_transform/src/strip_debuginfo.rs b/compiler/rustc_mir_transform/src/strip_debuginfo.rs index 438c75726bb9..9ede8aa79c44 100644 --- a/compiler/rustc_mir_transform/src/strip_debuginfo.rs +++ b/compiler/rustc_mir_transform/src/strip_debuginfo.rs @@ -31,4 +31,8 @@ impl<'tcx> crate::MirPass<'tcx> for StripDebugInfo { ) }); } + + fn is_required(&self) -> bool { + true + } } diff --git a/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs b/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs index 55dcad0680a9..1ff7043ed14d 100644 --- a/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs +++ b/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs @@ -208,4 +208,8 @@ impl<'tcx> crate::MirPass<'tcx> for UnreachableEnumBranching { patch.apply(body); } + + fn is_required(&self) -> bool { + false + } } diff --git a/compiler/rustc_mir_transform/src/unreachable_prop.rs b/compiler/rustc_mir_transform/src/unreachable_prop.rs index 734703ec78b5..1e5d9469c033 100644 --- a/compiler/rustc_mir_transform/src/unreachable_prop.rs +++ b/compiler/rustc_mir_transform/src/unreachable_prop.rs @@ -52,6 +52,10 @@ impl crate::MirPass<'_> for UnreachablePropagation { body.basic_blocks_mut()[bb].statements.clear(); } } + + fn is_required(&self) -> bool { + false + } } /// Return whether the current terminator is fully unreachable. diff --git a/compiler/rustc_mir_transform/src/validate.rs b/compiler/rustc_mir_transform/src/validate.rs index b62e34ac08d0..026923ad786b 100644 --- a/compiler/rustc_mir_transform/src/validate.rs +++ b/compiler/rustc_mir_transform/src/validate.rs @@ -91,6 +91,10 @@ impl<'tcx> crate::MirPass<'tcx> for Validator { } } } + + fn is_required(&self) -> bool { + true + } } struct CfgChecker<'a, 'tcx> { diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index 133d84572e6d..978cb7af2427 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -812,6 +812,9 @@ passes_unused_duplicate = passes_unused_empty_lints_note = attribute `{$name}` with an empty list has no effect +passes_unused_linker_warnings_note = + the `linker_warnings` lint can only be controlled at the root of a crate that needs to be linked + passes_unused_multiple = multiple `{$name}` attributes .suggestion = remove this attribute diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 576ca24bf994..e19819a22b4f 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -25,6 +25,7 @@ use rustc_middle::traits::ObligationCause; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{self, TyCtxt, TypingMode}; use rustc_middle::{bug, span_bug}; +use rustc_session::config::CrateType; use rustc_session::lint::builtin::{ CONFLICTING_REPR_HINTS, INVALID_DOC_ATTRIBUTES, INVALID_MACRO_EXPORT_ARGUMENTS, UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES, UNUSED_ATTRIBUTES, @@ -2327,6 +2328,42 @@ impl<'tcx> CheckAttrVisitor<'tcx> { && item.path == sym::reason { errors::UnusedNote::NoLints { name: attr.name_or_empty() } + } else if matches!( + attr.name_or_empty(), + sym::allow | sym::warn | sym::deny | sym::forbid | sym::expect + ) && let Some(meta) = attr.meta_item_list() + && meta.iter().any(|meta| { + meta.meta_item().map_or(false, |item| item.path == sym::linker_messages) + }) + { + if hir_id != CRATE_HIR_ID { + match attr.style { + ast::AttrStyle::Outer => self.tcx.emit_node_span_lint( + UNUSED_ATTRIBUTES, + hir_id, + attr.span, + errors::OuterCrateLevelAttr, + ), + ast::AttrStyle::Inner => self.tcx.emit_node_span_lint( + UNUSED_ATTRIBUTES, + hir_id, + attr.span, + errors::InnerCrateLevelAttr, + ), + }; + return; + } else { + let never_needs_link = self + .tcx + .crate_types() + .iter() + .all(|kind| matches!(kind, CrateType::Rlib | CrateType::Staticlib)); + if never_needs_link { + errors::UnusedNote::LinkerWarningsBinaryCrateOnly + } else { + return; + } + } } else if attr.name_or_empty() == sym::default_method_body_is_const { errors::UnusedNote::DefaultMethodBodyConst } else { diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index 3d38b00e99f2..196a0a46962b 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -802,6 +802,8 @@ pub(crate) enum UnusedNote { NoLints { name: Symbol }, #[note(passes_unused_default_method_body_const_note)] DefaultMethodBodyConst, + #[note(passes_unused_linker_warnings_note)] + LinkerWarningsBinaryCrateOnly, } #[derive(LintDiagnostic)] diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 43e4e4d591f8..ccd5b519cb04 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -24,6 +24,7 @@ use rustc_session::lint::builtin::{ MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS, }; use rustc_session::lint::{AmbiguityErrorDiag, BuiltinLintDiag}; +use rustc_session::utils::was_invoked_from_cargo; use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::edition::Edition; use rustc_span::hygiene::MacroKind; @@ -800,7 +801,6 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { } err.multipart_suggestion(msg, suggestions, applicability); } - if let Some(ModuleOrUniformRoot::Module(module)) = module && let Some(module) = module.opt_def_id() && let Some(segment) = segment @@ -2034,13 +2034,23 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { (format!("`_` is not a valid crate or module name"), None) } else if self.tcx.sess.is_rust_2015() { ( - format!("you might be missing crate `{ident}`"), + format!("use of unresolved module or unlinked crate `{ident}`"), Some(( vec![( self.current_crate_outer_attr_insert_span, format!("extern crate {ident};\n"), )], - format!("consider importing the `{ident}` crate"), + if was_invoked_from_cargo() { + format!( + "if you wanted to use a crate named `{ident}`, use `cargo add {ident}` \ + to add it to your `Cargo.toml` and import it in your code", + ) + } else { + format!( + "you might be missing a crate named `{ident}`, add it to your \ + project and import it in your code", + ) + }, Applicability::MaybeIncorrect, )), ) @@ -2219,7 +2229,25 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let descr = binding.res().descr(); (format!("{descr} `{ident}` is not a crate or module"), suggestion) } else { - (format!("use of undeclared crate or module `{ident}`"), suggestion) + let suggestion = if suggestion.is_some() { + suggestion + } else if was_invoked_from_cargo() { + Some(( + vec![], + format!( + "if you wanted to use a crate named `{ident}`, use `cargo add {ident}` \ + to add it to your `Cargo.toml`", + ), + Applicability::MaybeIncorrect, + )) + } else { + Some(( + vec![], + format!("you might be missing a crate named `{ident}`",), + Applicability::MaybeIncorrect, + )) + }; + (format!("use of unresolved module or unlinked crate `{ident}`"), suggestion) } } } diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index 10f1ce376ef5..1f03de3f53db 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -895,13 +895,16 @@ fn default_emitter( } t => t, }; + + let source_map = if sopts.unstable_opts.link_only { None } else { Some(source_map) }; + match sopts.error_format { config::ErrorOutputType::HumanReadable(kind, color_config) => { let short = kind.short(); if let HumanReadableErrorType::AnnotateSnippet = kind { let emitter = AnnotateSnippetEmitter::new( - Some(source_map), + source_map, bundle, fallback_bundle, short, @@ -911,7 +914,7 @@ fn default_emitter( } else { let emitter = HumanEmitter::new(stderr_destination(color_config), fallback_bundle) .fluent_bundle(bundle) - .sm(Some(source_map)) + .sm(source_map) .short_message(short) .teach(sopts.unstable_opts.teach) .diagnostic_width(sopts.diagnostic_width) @@ -1442,7 +1445,7 @@ fn mk_emitter(output: ErrorOutputType) -> Box { config::ErrorOutputType::Json { pretty, json_rendered, color_config } => { Box::new(JsonEmitter::new( Box::new(io::BufWriter::new(io::stderr())), - Lrc::new(SourceMap::new(FilePathMapping::empty())), + Some(Lrc::new(SourceMap::new(FilePathMapping::empty()))), fallback_bundle, pretty, json_rendered, diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index f5ce5dbc9d66..1fb15fe98000 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -707,7 +707,6 @@ symbols! { coverage, coverage_attribute, cr, - crate_id, crate_in_paths, crate_local, crate_name, @@ -1189,6 +1188,7 @@ symbols! { link_section, linkage, linker, + linker_messages, lint_reasons, literal, load, @@ -1389,7 +1389,6 @@ symbols! { no_mangle, no_sanitize, no_stack_check, - no_start, no_std, nomem, non_ascii_idents, diff --git a/library/core/src/ffi/va_list.rs b/library/core/src/ffi/va_list.rs index f67c592d8d8f..cceb186b31e7 100644 --- a/library/core/src/ffi/va_list.rs +++ b/library/core/src/ffi/va_list.rs @@ -302,18 +302,28 @@ impl<'f> Drop for VaListImpl<'f> { } } -extern "rust-intrinsic" { - /// Destroy the arglist `ap` after initialization with `va_start` or - /// `va_copy`. - #[rustc_nounwind] - fn va_end(ap: &mut VaListImpl<'_>); - - /// Copies the current location of arglist `src` to the arglist `dst`. - #[rustc_nounwind] - fn va_copy<'f>(dest: *mut VaListImpl<'f>, src: &VaListImpl<'f>); - - /// Loads an argument of type `T` from the `va_list` `ap` and increment the - /// argument `ap` points to. - #[rustc_nounwind] - fn va_arg(ap: &mut VaListImpl<'_>) -> T; +/// Destroy the arglist `ap` after initialization with `va_start` or +/// `va_copy`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +unsafe fn va_end(_ap: &mut VaListImpl<'_>) { + unreachable!() +} + +/// Copies the current location of arglist `src` to the arglist `dst`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +unsafe fn va_copy<'f>(_dest: *mut VaListImpl<'f>, _src: &VaListImpl<'f>) { + unreachable!() +} + +/// Loads an argument of type `T` from the `va_list` `ap` and increment the +/// argument `ap` points to. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +unsafe fn va_arg(_ap: &mut VaListImpl<'_>) -> T { + unreachable!() } diff --git a/library/core/src/intrinsics/simd.rs b/library/core/src/intrinsics/simd.rs index d03d801b9365..e59d3aff3799 100644 --- a/library/core/src/intrinsics/simd.rs +++ b/library/core/src/intrinsics/simd.rs @@ -2,669 +2,939 @@ //! //! In this module, a "vector" is any `repr(simd)` type. -extern "rust-intrinsic" { - /// Inserts an element into a vector, returning the updated vector. - /// - /// `T` must be a vector with element type `U`. - /// - /// # Safety - /// - /// `idx` must be in-bounds of the vector. - #[rustc_nounwind] - pub fn simd_insert(x: T, idx: u32, val: U) -> T; - - /// Extracts an element from a vector. - /// - /// `T` must be a vector with element type `U`. - /// - /// # Safety - /// - /// `idx` must be in-bounds of the vector. - #[rustc_nounwind] - pub fn simd_extract(x: T, idx: u32) -> U; - - /// Adds two simd vectors elementwise. - /// - /// `T` must be a vector of integer or floating point primitive types. - #[rustc_nounwind] - pub fn simd_add(x: T, y: T) -> T; - - /// Subtracts `rhs` from `lhs` elementwise. - /// - /// `T` must be a vector of integer or floating point primitive types. - #[rustc_nounwind] - pub fn simd_sub(lhs: T, rhs: T) -> T; - - /// Multiplies two simd vectors elementwise. - /// - /// `T` must be a vector of integer or floating point primitive types. - #[rustc_nounwind] - pub fn simd_mul(x: T, y: T) -> T; - - /// Divides `lhs` by `rhs` elementwise. - /// - /// `T` must be a vector of integer or floating point primitive types. - /// - /// # Safety - /// For integers, `rhs` must not contain any zero elements. - /// Additionally for signed integers, `::MIN / -1` is undefined behavior. - #[rustc_nounwind] - pub fn simd_div(lhs: T, rhs: T) -> T; - - /// Returns remainder of two vectors elementwise. - /// - /// `T` must be a vector of integer or floating point primitive types. - /// - /// # Safety - /// For integers, `rhs` must not contain any zero elements. - /// Additionally for signed integers, `::MIN / -1` is undefined behavior. - #[rustc_nounwind] - pub fn simd_rem(lhs: T, rhs: T) -> T; - - /// Shifts vector left elementwise, with UB on overflow. - /// - /// Shifts `lhs` left by `rhs`, shifting in sign bits for signed types. - /// - /// `T` must be a vector of integer primitive types. - /// - /// # Safety - /// - /// Each element of `rhs` must be less than `::BITS`. - #[rustc_nounwind] - pub fn simd_shl(lhs: T, rhs: T) -> T; - - /// Shifts vector right elementwise, with UB on overflow. - /// - /// `T` must be a vector of integer primitive types. - /// - /// Shifts `lhs` right by `rhs`, shifting in sign bits for signed types. - /// - /// # Safety - /// - /// Each element of `rhs` must be less than `::BITS`. - #[rustc_nounwind] - pub fn simd_shr(lhs: T, rhs: T) -> T; - - /// "Ands" vectors elementwise. - /// - /// `T` must be a vector of integer primitive types. - #[rustc_nounwind] - pub fn simd_and(x: T, y: T) -> T; - - /// "Ors" vectors elementwise. - /// - /// `T` must be a vector of integer primitive types. - #[rustc_nounwind] - pub fn simd_or(x: T, y: T) -> T; - - /// "Exclusive ors" vectors elementwise. - /// - /// `T` must be a vector of integer primitive types. - #[rustc_nounwind] - pub fn simd_xor(x: T, y: T) -> T; - - /// Numerically casts a vector, elementwise. - /// - /// `T` and `U` must be vectors of integer or floating point primitive types, and must have the - /// same length. - /// - /// When casting floats to integers, the result is truncated. Out-of-bounds result lead to UB. - /// When casting integers to floats, the result is rounded. - /// Otherwise, truncates or extends the value, maintaining the sign for signed integers. - /// - /// # Safety - /// Casting from integer types is always safe. - /// Casting between two float types is also always safe. - /// - /// Casting floats to integers truncates, following the same rules as `to_int_unchecked`. - /// Specifically, each element must: - /// * Not be `NaN` - /// * Not be infinite - /// * Be representable in the return type, after truncating off its fractional part - #[rustc_nounwind] - pub fn simd_cast(x: T) -> U; - - /// Numerically casts a vector, elementwise. - /// - /// `T` and `U` be a vectors of integer or floating point primitive types, and must have the - /// same length. - /// - /// Like `simd_cast`, but saturates float-to-integer conversions (NaN becomes 0). - /// This matches regular `as` and is always safe. - /// - /// When casting floats to integers, the result is truncated. - /// When casting integers to floats, the result is rounded. - /// Otherwise, truncates or extends the value, maintaining the sign for signed integers. - #[rustc_nounwind] - pub fn simd_as(x: T) -> U; - - /// Negates a vector elementwise. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// Rust panics for `-::Min` due to overflow, but it is not UB with this intrinsic. - #[rustc_nounwind] - pub fn simd_neg(x: T) -> T; - - /// Returns absolute value of a vector, elementwise. - /// - /// `T` must be a vector of floating-point primitive types. - #[rustc_nounwind] - pub fn simd_fabs(x: T) -> T; - - /// Returns the minimum of two vectors, elementwise. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// Follows IEEE-754 `minNum` semantics. - #[rustc_nounwind] - pub fn simd_fmin(x: T, y: T) -> T; - - /// Returns the maximum of two vectors, elementwise. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// Follows IEEE-754 `maxNum` semantics. - #[rustc_nounwind] - pub fn simd_fmax(x: T, y: T) -> T; - - /// Tests elementwise equality of two vectors. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// `U` must be a vector of integers with the same number of elements and element size as `T`. - /// - /// Returns `0` for false and `!0` for true. - #[rustc_nounwind] - pub fn simd_eq(x: T, y: T) -> U; - - /// Tests elementwise inequality equality of two vectors. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// `U` must be a vector of integers with the same number of elements and element size as `T`. - /// - /// Returns `0` for false and `!0` for true. - #[rustc_nounwind] - pub fn simd_ne(x: T, y: T) -> U; - - /// Tests if `x` is less than `y`, elementwise. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// `U` must be a vector of integers with the same number of elements and element size as `T`. - /// - /// Returns `0` for false and `!0` for true. - #[rustc_nounwind] - pub fn simd_lt(x: T, y: T) -> U; - - /// Tests if `x` is less than or equal to `y`, elementwise. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// `U` must be a vector of integers with the same number of elements and element size as `T`. - /// - /// Returns `0` for false and `!0` for true. - #[rustc_nounwind] - pub fn simd_le(x: T, y: T) -> U; - - /// Tests if `x` is greater than `y`, elementwise. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// `U` must be a vector of integers with the same number of elements and element size as `T`. - /// - /// Returns `0` for false and `!0` for true. - #[rustc_nounwind] - pub fn simd_gt(x: T, y: T) -> U; - - /// Tests if `x` is greater than or equal to `y`, elementwise. - /// - /// `T` must be a vector of floating-point primitive types. - /// - /// `U` must be a vector of integers with the same number of elements and element size as `T`. - /// - /// Returns `0` for false and `!0` for true. - #[rustc_nounwind] - pub fn simd_ge(x: T, y: T) -> U; - - /// Shuffles two vectors by const indices. - /// - /// `T` must be a vector. - /// - /// `U` must be a **const** vector of `u32`s. This means it must either refer to a named - /// const or be given as an inline const expression (`const { ... }`). - /// - /// `V` must be a vector with the same element type as `T` and the same length as `U`. - /// - /// Returns a new vector such that element `i` is selected from `xy[idx[i]]`, where `xy` - /// is the concatenation of `x` and `y`. It is a compile-time error if `idx[i]` is out-of-bounds - /// of `xy`. - #[rustc_nounwind] - pub fn simd_shuffle(x: T, y: T, idx: U) -> V; - - /// Reads a vector of pointers. - /// - /// `T` must be a vector. - /// - /// `U` must be a vector of pointers to the element type of `T`, with the same length as `T`. - /// - /// `V` must be a vector of integers with the same length as `T` (but any element size). - /// - /// For each pointer in `ptr`, if the corresponding value in `mask` is `!0`, read the pointer. - /// Otherwise if the corresponding value in `mask` is `0`, return the corresponding value from - /// `val`. - /// - /// # Safety - /// Unmasked values in `T` must be readable as if by `::read` (e.g. aligned to the element - /// type). - /// - /// `mask` must only contain `0` or `!0` values. - #[rustc_nounwind] - pub fn simd_gather(val: T, ptr: U, mask: V) -> T; - - /// Writes to a vector of pointers. - /// - /// `T` must be a vector. - /// - /// `U` must be a vector of pointers to the element type of `T`, with the same length as `T`. - /// - /// `V` must be a vector of integers with the same length as `T` (but any element size). - /// - /// For each pointer in `ptr`, if the corresponding value in `mask` is `!0`, write the - /// corresponding value in `val` to the pointer. - /// Otherwise if the corresponding value in `mask` is `0`, do nothing. - /// - /// The stores happen in left-to-right order. - /// (This is relevant in case two of the stores overlap.) - /// - /// # Safety - /// Unmasked values in `T` must be writeable as if by `::write` (e.g. aligned to the element - /// type). - /// - /// `mask` must only contain `0` or `!0` values. - #[rustc_nounwind] - pub fn simd_scatter(val: T, ptr: U, mask: V); - - /// Reads a vector of pointers. - /// - /// `T` must be a vector. - /// - /// `U` must be a pointer to the element type of `T` - /// - /// `V` must be a vector of integers with the same length as `T` (but any element size). - /// - /// For each element, if the corresponding value in `mask` is `!0`, read the corresponding - /// pointer offset from `ptr`. - /// The first element is loaded from `ptr`, the second from `ptr.wrapping_offset(1)` and so on. - /// Otherwise if the corresponding value in `mask` is `0`, return the corresponding value from - /// `val`. - /// - /// # Safety - /// Unmasked values in `T` must be readable as if by `::read` (e.g. aligned to the element - /// type). - /// - /// `mask` must only contain `0` or `!0` values. - #[rustc_nounwind] - pub fn simd_masked_load(mask: V, ptr: U, val: T) -> T; - - /// Writes to a vector of pointers. - /// - /// `T` must be a vector. - /// - /// `U` must be a pointer to the element type of `T` - /// - /// `V` must be a vector of integers with the same length as `T` (but any element size). - /// - /// For each element, if the corresponding value in `mask` is `!0`, write the corresponding - /// value in `val` to the pointer offset from `ptr`. - /// The first element is written to `ptr`, the second to `ptr.wrapping_offset(1)` and so on. - /// Otherwise if the corresponding value in `mask` is `0`, do nothing. - /// - /// # Safety - /// Unmasked values in `T` must be writeable as if by `::write` (e.g. aligned to the element - /// type). - /// - /// `mask` must only contain `0` or `!0` values. - #[rustc_nounwind] - pub fn simd_masked_store(mask: V, ptr: U, val: T); - - /// Adds two simd vectors elementwise, with saturation. - /// - /// `T` must be a vector of integer primitive types. - #[rustc_nounwind] - pub fn simd_saturating_add(x: T, y: T) -> T; - - /// Subtracts two simd vectors elementwise, with saturation. - /// - /// `T` must be a vector of integer primitive types. - /// - /// Subtract `rhs` from `lhs`. - #[rustc_nounwind] - pub fn simd_saturating_sub(lhs: T, rhs: T) -> T; - - /// Adds elements within a vector from left to right. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - /// - /// Starting with the value `y`, add the elements of `x` and accumulate. - #[rustc_nounwind] - pub fn simd_reduce_add_ordered(x: T, y: U) -> U; - - /// Adds elements within a vector in arbitrary order. May also be re-associated with - /// unordered additions on the inputs/outputs. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - #[rustc_nounwind] - pub fn simd_reduce_add_unordered(x: T) -> U; - - /// Multiplies elements within a vector from left to right. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - /// - /// Starting with the value `y`, multiply the elements of `x` and accumulate. - #[rustc_nounwind] - pub fn simd_reduce_mul_ordered(x: T, y: U) -> U; - - /// Multiplies elements within a vector in arbitrary order. May also be re-associated with - /// unordered additions on the inputs/outputs. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - #[rustc_nounwind] - pub fn simd_reduce_mul_unordered(x: T) -> U; - - /// Checks if all mask values are true. - /// - /// `T` must be a vector of integer primitive types. - /// - /// # Safety - /// `x` must contain only `0` or `!0`. - #[rustc_nounwind] - pub fn simd_reduce_all(x: T) -> bool; - - /// Checks if any mask value is true. - /// - /// `T` must be a vector of integer primitive types. - /// - /// # Safety - /// `x` must contain only `0` or `!0`. - #[rustc_nounwind] - pub fn simd_reduce_any(x: T) -> bool; - - /// Returns the maximum element of a vector. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - /// - /// For floating-point values, uses IEEE-754 `maxNum`. - #[rustc_nounwind] - pub fn simd_reduce_max(x: T) -> U; - - /// Returns the minimum element of a vector. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - /// - /// For floating-point values, uses IEEE-754 `minNum`. - #[rustc_nounwind] - pub fn simd_reduce_min(x: T) -> U; - - /// Logical "ands" all elements together. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - #[rustc_nounwind] - pub fn simd_reduce_and(x: T) -> U; - - /// Logical "ors" all elements together. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - #[rustc_nounwind] - pub fn simd_reduce_or(x: T) -> U; - - /// Logical "exclusive ors" all elements together. - /// - /// `T` must be a vector of integer or floating-point primitive types. - /// - /// `U` must be the element type of `T`. - #[rustc_nounwind] - pub fn simd_reduce_xor(x: T) -> U; - - /// Truncates an integer vector to a bitmask. - /// - /// `T` must be an integer vector. - /// - /// `U` must be either the smallest unsigned integer with at least as many bits as the length - /// of `T`, or the smallest array of `u8` with at least as many bits as the length of `T`. - /// - /// Each element is truncated to a single bit and packed into the result. - /// - /// No matter whether the output is an array or an unsigned integer, it is treated as a single - /// contiguous list of bits. The bitmask is always packed on the least-significant side of the - /// output, and padded with 0s in the most-significant bits. The order of the bits depends on - /// endianness: - /// - /// * On little endian, the least significant bit corresponds to the first vector element. - /// * On big endian, the least significant bit corresponds to the last vector element. - /// - /// For example, `[!0, 0, !0, !0]` packs to - /// - `0b1101u8` or `[0b1101]` on little endian, and - /// - `0b1011u8` or `[0b1011]` on big endian. - /// - /// To consider a larger example, - /// `[!0, 0, 0, 0, 0, 0, 0, 0, !0, !0, 0, 0, 0, 0, !0, 0]` packs to - /// - `0b0100001100000001u16` or `[0b00000001, 0b01000011]` on little endian, and - /// - `0b1000000011000010u16` or `[0b10000000, 0b11000010]` on big endian. - /// - /// And finally, a non-power-of-2 example with multiple bytes: - /// `[!0, !0, 0, !0, 0, 0, !0, 0, !0, 0]` packs to - /// - `0b0101001011u16` or `[0b01001011, 0b01]` on little endian, and - /// - `0b1101001010u16` or `[0b11, 0b01001010]` on big endian. - /// - /// # Safety - /// `x` must contain only `0` and `!0`. - #[rustc_nounwind] - pub fn simd_bitmask(x: T) -> U; - - /// Selects elements from a mask. - /// - /// `M` must be an integer vector. - /// - /// `T` must be a vector with the same number of elements as `M`. - /// - /// For each element, if the corresponding value in `mask` is `!0`, select the element from - /// `if_true`. If the corresponding value in `mask` is `0`, select the element from - /// `if_false`. - /// - /// # Safety - /// `mask` must only contain `0` and `!0`. - #[rustc_nounwind] - pub fn simd_select(mask: M, if_true: T, if_false: T) -> T; - - /// Selects elements from a bitmask. - /// - /// `M` must be an unsigned integer or array of `u8`, matching `simd_bitmask`. - /// - /// `T` must be a vector. - /// - /// For each element, if the bit in `mask` is `1`, select the element from - /// `if_true`. If the corresponding bit in `mask` is `0`, select the element from - /// `if_false`. - /// - /// The bitmask bit order matches `simd_bitmask`. - /// - /// # Safety - /// Padding bits must be all zero. - #[rustc_nounwind] - pub fn simd_select_bitmask(m: M, yes: T, no: T) -> T; - - /// Calculates the offset from a pointer vector elementwise, potentially - /// wrapping. - /// - /// `T` must be a vector of pointers. - /// - /// `U` must be a vector of `isize` or `usize` with the same number of elements as `T`. - /// - /// Operates as if by `::wrapping_offset`. - #[rustc_nounwind] - pub fn simd_arith_offset(ptr: T, offset: U) -> T; - - /// Casts a vector of pointers. - /// - /// `T` and `U` must be vectors of pointers with the same number of elements. - #[rustc_nounwind] - pub fn simd_cast_ptr(ptr: T) -> U; - - /// Exposes a vector of pointers as a vector of addresses. - /// - /// `T` must be a vector of pointers. - /// - /// `U` must be a vector of `usize` with the same length as `T`. - #[rustc_nounwind] - pub fn simd_expose_provenance(ptr: T) -> U; - - /// Creates a vector of pointers from a vector of addresses. - /// - /// `T` must be a vector of `usize`. - /// - /// `U` must be a vector of pointers, with the same length as `T`. - #[rustc_nounwind] - pub fn simd_with_exposed_provenance(addr: T) -> U; - - /// Swaps bytes of each element. - /// - /// `T` must be a vector of integers. - #[rustc_nounwind] - pub fn simd_bswap(x: T) -> T; - - /// Reverses bits of each element. - /// - /// `T` must be a vector of integers. - #[rustc_nounwind] - pub fn simd_bitreverse(x: T) -> T; - - /// Counts the leading zeros of each element. - /// - /// `T` must be a vector of integers. - #[rustc_nounwind] - pub fn simd_ctlz(x: T) -> T; - - /// Counts the number of ones in each element. - /// - /// `T` must be a vector of integers. - #[rustc_nounwind] - pub fn simd_ctpop(x: T) -> T; - - /// Counts the trailing zeros of each element. - /// - /// `T` must be a vector of integers. - #[rustc_nounwind] - pub fn simd_cttz(x: T) -> T; - - /// Rounds up each element to the next highest integer-valued float. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_ceil(x: T) -> T; - - /// Rounds down each element to the next lowest integer-valued float. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_floor(x: T) -> T; - - /// Rounds each element to the closest integer-valued float. - /// Ties are resolved by rounding away from 0. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_round(x: T) -> T; - - /// Returns the integer part of each element as an integer-valued float. - /// In other words, non-integer values are truncated towards zero. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_trunc(x: T) -> T; - - /// Takes the square root of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_fsqrt(x: T) -> T; - - /// Computes `(x*y) + z` for each element, but without any intermediate rounding. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_fma(x: T, y: T, z: T) -> T; - - /// Computes `(x*y) + z` for each element, non-deterministically executing either - /// a fused multiply-add or two operations with rounding of the intermediate result. - /// - /// The operation is fused if the code generator determines that target instruction - /// set has support for a fused operation, and that the fused operation is more efficient - /// than the equivalent, separate pair of mul and add instructions. It is unspecified - /// whether or not a fused operation is selected, and that may depend on optimization - /// level and context, for example. It may even be the case that some SIMD lanes get fused - /// and others do not. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_relaxed_fma(x: T, y: T, z: T) -> T; - - // Computes the sine of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_fsin(a: T) -> T; - - // Computes the cosine of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_fcos(a: T) -> T; - - // Computes the exponential function of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_fexp(a: T) -> T; - - // Computes 2 raised to the power of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_fexp2(a: T) -> T; - - // Computes the base 10 logarithm of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_flog10(a: T) -> T; - - // Computes the base 2 logarithm of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_flog2(a: T) -> T; - - // Computes the natural logarithm of each element. - /// - /// `T` must be a vector of floats. - #[rustc_nounwind] - pub fn simd_flog(a: T) -> T; +/// Inserts an element into a vector, returning the updated vector. +/// +/// `T` must be a vector with element type `U`. +/// +/// # Safety +/// +/// `idx` must be in-bounds of the vector. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_insert(_x: T, _idx: u32, _val: U) -> T { + unreachable!() +} + +/// Extracts an element from a vector. +/// +/// `T` must be a vector with element type `U`. +/// +/// # Safety +/// +/// `idx` must be in-bounds of the vector. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_extract(_x: T, _idx: u32) -> U { + unreachable!() +} + +/// Adds two simd vectors elementwise. +/// +/// `T` must be a vector of integer or floating point primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_add(_x: T, _y: T) -> T { + unreachable!() +} + +/// Subtracts `rhs` from `lhs` elementwise. +/// +/// `T` must be a vector of integer or floating point primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_sub(_lhs: T, _rhs: T) -> T { + unreachable!() +} + +/// Multiplies two simd vectors elementwise. +/// +/// `T` must be a vector of integer or floating point primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_mul(_x: T, _y: T) -> T { + unreachable!() +} + +/// Divides `lhs` by `rhs` elementwise. +/// +/// `T` must be a vector of integer or floating point primitive types. +/// +/// # Safety +/// For integers, `rhs` must not contain any zero elements. +/// Additionally for signed integers, `::MIN / -1` is undefined behavior. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_div(_lhs: T, _rhs: T) -> T { + unreachable!() +} + +/// Returns remainder of two vectors elementwise. +/// +/// `T` must be a vector of integer or floating point primitive types. +/// +/// # Safety +/// For integers, `rhs` must not contain any zero elements. +/// Additionally for signed integers, `::MIN / -1` is undefined behavior. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_rem(_lhs: T, _rhs: T) -> T { + unreachable!() +} + +/// Shifts vector left elementwise, with UB on overflow. +/// +/// Shifts `lhs` left by `rhs`, shifting in sign bits for signed types. +/// +/// `T` must be a vector of integer primitive types. +/// +/// # Safety +/// +/// Each element of `rhs` must be less than `::BITS`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_shl(_lhs: T, _rhs: T) -> T { + unreachable!() +} + +/// Shifts vector right elementwise, with UB on overflow. +/// +/// `T` must be a vector of integer primitive types. +/// +/// Shifts `lhs` right by `rhs`, shifting in sign bits for signed types. +/// +/// # Safety +/// +/// Each element of `rhs` must be less than `::BITS`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_shr(_lhs: T, _rhs: T) -> T { + unreachable!() +} + +/// "Ands" vectors elementwise. +/// +/// `T` must be a vector of integer primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_and(_x: T, _y: T) -> T { + unreachable!() +} + +/// "Ors" vectors elementwise. +/// +/// `T` must be a vector of integer primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_or(_x: T, _y: T) -> T { + unreachable!() +} + +/// "Exclusive ors" vectors elementwise. +/// +/// `T` must be a vector of integer primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_xor(_x: T, _y: T) -> T { + unreachable!() +} + +/// Numerically casts a vector, elementwise. +/// +/// `T` and `U` must be vectors of integer or floating point primitive types, and must have the +/// same length. +/// +/// When casting floats to integers, the result is truncated. Out-of-bounds result lead to UB. +/// When casting integers to floats, the result is rounded. +/// Otherwise, truncates or extends the value, maintaining the sign for signed integers. +/// +/// # Safety +/// Casting from integer types is always safe. +/// Casting between two float types is also always safe. +/// +/// Casting floats to integers truncates, following the same rules as `to_int_unchecked`. +/// Specifically, each element must: +/// * Not be `NaN` +/// * Not be infinite +/// * Be representable in the return type, after truncating off its fractional part +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_cast(_x: T) -> U { + unreachable!() +} + +/// Numerically casts a vector, elementwise. +/// +/// `T` and `U` be a vectors of integer or floating point primitive types, and must have the +/// same length. +/// +/// Like `simd_cast`, but saturates float-to-integer conversions (NaN becomes 0). +/// This matches regular `as` and is always safe. +/// +/// When casting floats to integers, the result is truncated. +/// When casting integers to floats, the result is rounded. +/// Otherwise, truncates or extends the value, maintaining the sign for signed integers. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_as(_x: T) -> U { + unreachable!() +} + +/// Negates a vector elementwise. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// Rust panics for `-::Min` due to overflow, but it is not UB with this intrinsic. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_neg(_x: T) -> T { + unreachable!() +} + +/// Returns absolute value of a vector, elementwise. +/// +/// `T` must be a vector of floating-point primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fabs(_x: T) -> T { + unreachable!() +} + +/// Returns the minimum of two vectors, elementwise. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// Follows IEEE-754 `minNum` semantics. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fmin(_x: T, _y: T) -> T { + unreachable!() +} + +/// Returns the maximum of two vectors, elementwise. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// Follows IEEE-754 `maxNum` semantics. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fmax(_x: T, _y: T) -> T { + unreachable!() +} + +/// Tests elementwise equality of two vectors. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// `U` must be a vector of integers with the same number of elements and element size as `T`. +/// +/// Returns `0` for false and `!0` for true. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_eq(_x: T, _y: T) -> U { + unreachable!() +} + +/// Tests elementwise inequality equality of two vectors. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// `U` must be a vector of integers with the same number of elements and element size as `T`. +/// +/// Returns `0` for false and `!0` for true. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_ne(_x: T, _y: T) -> U { + unreachable!() +} + +/// Tests if `x` is less than `y`, elementwise. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// `U` must be a vector of integers with the same number of elements and element size as `T`. +/// +/// Returns `0` for false and `!0` for true. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_lt(_x: T, _y: T) -> U { + unreachable!() +} + +/// Tests if `x` is less than or equal to `y`, elementwise. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// `U` must be a vector of integers with the same number of elements and element size as `T`. +/// +/// Returns `0` for false and `!0` for true. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_le(_x: T, _y: T) -> U { + unreachable!() +} + +/// Tests if `x` is greater than `y`, elementwise. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// `U` must be a vector of integers with the same number of elements and element size as `T`. +/// +/// Returns `0` for false and `!0` for true. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_gt(_x: T, _y: T) -> U { + unreachable!() +} + +/// Tests if `x` is greater than or equal to `y`, elementwise. +/// +/// `T` must be a vector of floating-point primitive types. +/// +/// `U` must be a vector of integers with the same number of elements and element size as `T`. +/// +/// Returns `0` for false and `!0` for true. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_ge(_x: T, _y: T) -> U { + unreachable!() +} + +/// Shuffles two vectors by const indices. +/// +/// `T` must be a vector. +/// +/// `U` must be a **const** vector of `u32`s. This means it must either refer to a named +/// const or be given as an inline const expression (`const { ... }`). +/// +/// `V` must be a vector with the same element type as `T` and the same length as `U`. +/// +/// Returns a new vector such that element `i` is selected from `xy[idx[i]]`, where `xy` +/// is the concatenation of `x` and `y`. It is a compile-time error if `idx[i]` is out-of-bounds +/// of `xy`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_shuffle(_x: T, _y: T, _idx: U) -> V { + unreachable!() +} + +/// Reads a vector of pointers. +/// +/// `T` must be a vector. +/// +/// `U` must be a vector of pointers to the element type of `T`, with the same length as `T`. +/// +/// `V` must be a vector of integers with the same length as `T` (but any element size). +/// +/// For each pointer in `ptr`, if the corresponding value in `mask` is `!0`, read the pointer. +/// Otherwise if the corresponding value in `mask` is `0`, return the corresponding value from +/// `val`. +/// +/// # Safety +/// Unmasked values in `T` must be readable as if by `::read` (e.g. aligned to the element +/// type). +/// +/// `mask` must only contain `0` or `!0` values. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_gather(_val: T, _ptr: U, _mask: V) -> T { + unreachable!() +} + +/// Writes to a vector of pointers. +/// +/// `T` must be a vector. +/// +/// `U` must be a vector of pointers to the element type of `T`, with the same length as `T`. +/// +/// `V` must be a vector of integers with the same length as `T` (but any element size). +/// +/// For each pointer in `ptr`, if the corresponding value in `mask` is `!0`, write the +/// corresponding value in `val` to the pointer. +/// Otherwise if the corresponding value in `mask` is `0`, do nothing. +/// +/// The stores happen in left-to-right order. +/// (This is relevant in case two of the stores overlap.) +/// +/// # Safety +/// Unmasked values in `T` must be writeable as if by `::write` (e.g. aligned to the element +/// type). +/// +/// `mask` must only contain `0` or `!0` values. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_scatter(_val: T, _ptr: U, _mask: V) { + unreachable!() +} + +/// Reads a vector of pointers. +/// +/// `T` must be a vector. +/// +/// `U` must be a pointer to the element type of `T` +/// +/// `V` must be a vector of integers with the same length as `T` (but any element size). +/// +/// For each element, if the corresponding value in `mask` is `!0`, read the corresponding +/// pointer offset from `ptr`. +/// The first element is loaded from `ptr`, the second from `ptr.wrapping_offset(1)` and so on. +/// Otherwise if the corresponding value in `mask` is `0`, return the corresponding value from +/// `val`. +/// +/// # Safety +/// Unmasked values in `T` must be readable as if by `::read` (e.g. aligned to the element +/// type). +/// +/// `mask` must only contain `0` or `!0` values. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_masked_load(_mask: V, _ptr: U, _val: T) -> T { + unreachable!() +} + +/// Writes to a vector of pointers. +/// +/// `T` must be a vector. +/// +/// `U` must be a pointer to the element type of `T` +/// +/// `V` must be a vector of integers with the same length as `T` (but any element size). +/// +/// For each element, if the corresponding value in `mask` is `!0`, write the corresponding +/// value in `val` to the pointer offset from `ptr`. +/// The first element is written to `ptr`, the second to `ptr.wrapping_offset(1)` and so on. +/// Otherwise if the corresponding value in `mask` is `0`, do nothing. +/// +/// # Safety +/// Unmasked values in `T` must be writeable as if by `::write` (e.g. aligned to the element +/// type). +/// +/// `mask` must only contain `0` or `!0` values. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_masked_store(_mask: V, _ptr: U, _val: T) { + unreachable!() +} + +/// Adds two simd vectors elementwise, with saturation. +/// +/// `T` must be a vector of integer primitive types. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_saturating_add(_x: T, _y: T) -> T { + unreachable!() +} + +/// Subtracts two simd vectors elementwise, with saturation. +/// +/// `T` must be a vector of integer primitive types. +/// +/// Subtract `rhs` from `lhs`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_saturating_sub(_lhs: T, _rhs: T) -> T { + unreachable!() +} + +/// Adds elements within a vector from left to right. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +/// +/// Starting with the value `y`, add the elements of `x` and accumulate. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_add_ordered(_x: T, _y: U) -> U { + unreachable!() +} + +/// Adds elements within a vector in arbitrary order. May also be re-associated with +/// unordered additions on the inputs/outputs. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_add_unordered(_x: T) -> U { + unreachable!() +} + +/// Multiplies elements within a vector from left to right. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +/// +/// Starting with the value `y`, multiply the elements of `x` and accumulate. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_mul_ordered(_x: T, _y: U) -> U { + unreachable!() +} + +/// Multiplies elements within a vector in arbitrary order. May also be re-associated with +/// unordered additions on the inputs/outputs. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_mul_unordered(_x: T) -> U { + unreachable!() +} + +/// Checks if all mask values are true. +/// +/// `T` must be a vector of integer primitive types. +/// +/// # Safety +/// `x` must contain only `0` or `!0`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_all(_x: T) -> bool { + unreachable!() +} + +/// Checks if any mask value is true. +/// +/// `T` must be a vector of integer primitive types. +/// +/// # Safety +/// `x` must contain only `0` or `!0`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_any(_x: T) -> bool { + unreachable!() +} + +/// Returns the maximum element of a vector. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +/// +/// For floating-point values, uses IEEE-754 `maxNum`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_max(_x: T) -> U { + unreachable!() +} + +/// Returns the minimum element of a vector. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +/// +/// For floating-point values, uses IEEE-754 `minNum`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_min(_x: T) -> U { + unreachable!() +} + +/// Logical "ands" all elements together. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_and(_x: T) -> U { + unreachable!() +} + +/// Logical "ors" all elements together. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_or(_x: T) -> U { + unreachable!() +} + +/// Logical "exclusive ors" all elements together. +/// +/// `T` must be a vector of integer or floating-point primitive types. +/// +/// `U` must be the element type of `T`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_reduce_xor(_x: T) -> U { + unreachable!() +} + +/// Truncates an integer vector to a bitmask. +/// +/// `T` must be an integer vector. +/// +/// `U` must be either the smallest unsigned integer with at least as many bits as the length +/// of `T`, or the smallest array of `u8` with at least as many bits as the length of `T`. +/// +/// Each element is truncated to a single bit and packed into the result. +/// +/// No matter whether the output is an array or an unsigned integer, it is treated as a single +/// contiguous list of bits. The bitmask is always packed on the least-significant side of the +/// output, and padded with 0s in the most-significant bits. The order of the bits depends on +/// endianness: +/// +/// * On little endian, the least significant bit corresponds to the first vector element. +/// * On big endian, the least significant bit corresponds to the last vector element. +/// +/// For example, `[!0, 0, !0, !0]` packs to +/// - `0b1101u8` or `[0b1101]` on little endian, and +/// - `0b1011u8` or `[0b1011]` on big endian. +/// +/// To consider a larger example, +/// `[!0, 0, 0, 0, 0, 0, 0, 0, !0, !0, 0, 0, 0, 0, !0, 0]` packs to +/// - `0b0100001100000001u16` or `[0b00000001, 0b01000011]` on little endian, and +/// - `0b1000000011000010u16` or `[0b10000000, 0b11000010]` on big endian. +/// +/// And finally, a non-power-of-2 example with multiple bytes: +/// `[!0, !0, 0, !0, 0, 0, !0, 0, !0, 0]` packs to +/// - `0b0101001011u16` or `[0b01001011, 0b01]` on little endian, and +/// - `0b1101001010u16` or `[0b11, 0b01001010]` on big endian. +/// +/// # Safety +/// `x` must contain only `0` and `!0`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_bitmask(_x: T) -> U { + unreachable!() +} + +/// Selects elements from a mask. +/// +/// `M` must be an integer vector. +/// +/// `T` must be a vector with the same number of elements as `M`. +/// +/// For each element, if the corresponding value in `mask` is `!0`, select the element from +/// `if_true`. If the corresponding value in `mask` is `0`, select the element from +/// `if_false`. +/// +/// # Safety +/// `mask` must only contain `0` and `!0`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_select(_mask: M, _if_true: T, _if_false: T) -> T { + unreachable!() +} + +/// Selects elements from a bitmask. +/// +/// `M` must be an unsigned integer or array of `u8`, matching `simd_bitmask`. +/// +/// `T` must be a vector. +/// +/// For each element, if the bit in `mask` is `1`, select the element from +/// `if_true`. If the corresponding bit in `mask` is `0`, select the element from +/// `if_false`. +/// +/// The bitmask bit order matches `simd_bitmask`. +/// +/// # Safety +/// Padding bits must be all zero. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_select_bitmask(_m: M, _yes: T, _no: T) -> T { + unreachable!() +} + +/// Calculates the offset from a pointer vector elementwise, potentially +/// wrapping. +/// +/// `T` must be a vector of pointers. +/// +/// `U` must be a vector of `isize` or `usize` with the same number of elements as `T`. +/// +/// Operates as if by `::wrapping_offset`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_arith_offset(_ptr: T, _offset: U) -> T { + unreachable!() +} + +/// Casts a vector of pointers. +/// +/// `T` and `U` must be vectors of pointers with the same number of elements. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_cast_ptr(_ptr: T) -> U { + unreachable!() +} + +/// Exposes a vector of pointers as a vector of addresses. +/// +/// `T` must be a vector of pointers. +/// +/// `U` must be a vector of `usize` with the same length as `T`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_expose_provenance(_ptr: T) -> U { + unreachable!() +} + +/// Creates a vector of pointers from a vector of addresses. +/// +/// `T` must be a vector of `usize`. +/// +/// `U` must be a vector of pointers, with the same length as `T`. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_with_exposed_provenance(_addr: T) -> U { + unreachable!() +} + +/// Swaps bytes of each element. +/// +/// `T` must be a vector of integers. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_bswap(_x: T) -> T { + unreachable!() +} + +/// Reverses bits of each element. +/// +/// `T` must be a vector of integers. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_bitreverse(_x: T) -> T { + unreachable!() +} + +/// Counts the leading zeros of each element. +/// +/// `T` must be a vector of integers. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_ctlz(_x: T) -> T { + unreachable!() +} + +/// Counts the number of ones in each element. +/// +/// `T` must be a vector of integers. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_ctpop(_x: T) -> T { + unreachable!() +} + +/// Counts the trailing zeros of each element. +/// +/// `T` must be a vector of integers. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_cttz(_x: T) -> T { + unreachable!() +} + +/// Rounds up each element to the next highest integer-valued float. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_ceil(_x: T) -> T { + unreachable!() +} + +/// Rounds down each element to the next lowest integer-valued float. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_floor(_x: T) -> T { + unreachable!() +} + +/// Rounds each element to the closest integer-valued float. +/// Ties are resolved by rounding away from 0. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_round(_x: T) -> T { + unreachable!() +} + +/// Returns the integer part of each element as an integer-valued float. +/// In other words, non-integer values are truncated towards zero. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_trunc(_x: T) -> T { + unreachable!() +} + +/// Takes the square root of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fsqrt(_x: T) -> T { + unreachable!() +} + +/// Computes `(x*y) + z` for each element, but without any intermediate rounding. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fma(_x: T, _y: T, _z: T) -> T { + unreachable!() +} + +/// Computes `(x*y) + z` for each element, non-deterministically executing either +/// a fused multiply-add or two operations with rounding of the intermediate result. +/// +/// The operation is fused if the code generator determines that target instruction +/// set has support for a fused operation, and that the fused operation is more efficient +/// than the equivalent, separate pair of mul and add instructions. It is unspecified +/// whether or not a fused operation is selected, and that may depend on optimization +/// level and context, for example. It may even be the case that some SIMD lanes get fused +/// and others do not. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_relaxed_fma(_x: T, _y: T, _z: T) -> T { + unreachable!() +} + +// Computes the sine of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fsin(_a: T) -> T { + unreachable!() +} + +// Computes the cosine of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fcos(_a: T) -> T { + unreachable!() +} + +// Computes the exponential function of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fexp(_a: T) -> T { + unreachable!() +} + +// Computes 2 raised to the power of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_fexp2(_a: T) -> T { + unreachable!() +} + +// Computes the base 10 logarithm of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_flog10(_a: T) -> T { + unreachable!() +} + +// Computes the base 2 logarithm of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_flog2(_a: T) -> T { + unreachable!() +} + +// Computes the natural logarithm of each element. +/// +/// `T` must be a vector of floats. +#[rustc_intrinsic] +#[rustc_intrinsic_must_be_overridden] +#[rustc_nounwind] +pub unsafe fn simd_flog(_a: T) -> T { + unreachable!() } diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index 231c8712ebd5..1fa13e95e687 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -3252,18 +3252,26 @@ impl Iterator for Lines { } } -/// Create anonymous pipe that is close-on-exec and blocking. +/// Create an anonymous pipe that is close-on-exec and blocking. /// /// # Behavior /// -/// A pipe is a synchronous, unidirectional data channel between two or more processes, like an -/// interprocess [`mpsc`](crate::sync::mpsc) provided by the OS. In particular: +/// A pipe is a one-way data channel provided by the OS, which works across processes. A pipe is +/// typically used to communicate between two or more separate processes, as there are better, +/// faster ways to communicate within a single process. +/// +/// In particular: /// /// * A read on a [`PipeReader`] blocks until the pipe is non-empty. /// * A write on a [`PipeWriter`] blocks when the pipe is full. /// * When all copies of a [`PipeWriter`] are closed, a read on the corresponding [`PipeReader`] /// returns EOF. -/// * [`PipeReader`] can be shared, but only one process will consume the data in the pipe. +/// * [`PipeWriter`] can be shared, and multiple processes or threads can write to it at once, but +/// writes (above a target-specific threshold) may have their data interleaved. +/// * [`PipeReader`] can be shared, and multiple processes or threads can read it at once. Any +/// given byte will only get consumed by one reader. There are no guarantees about data +/// interleaving. +/// * Portable applications cannot assume any atomicity of messages larger than a single byte. /// /// # Capacity /// @@ -3301,8 +3309,6 @@ impl Iterator for Lines { /// # Ok(()) /// # } /// ``` -/// [pipe]: https://man7.org/linux/man-pages/man2/pipe.2.html -/// [CreatePipe]: https://learn.microsoft.com/en-us/windows/win32/api/namedpipeapi/nf-namedpipeapi-createpipe /// [man page]: https://man7.org/linux/man-pages/man7/pipe.7.html #[unstable(feature = "anonymous_pipe", issue = "127154")] #[inline] @@ -3310,12 +3316,12 @@ pub fn pipe() -> Result<(PipeReader, PipeWriter)> { pipe_inner().map(|(reader, writer)| (PipeReader(reader), PipeWriter(writer))) } -/// Read end of the anonymous pipe. +/// Read end of an anonymous pipe. #[unstable(feature = "anonymous_pipe", issue = "127154")] #[derive(Debug)] pub struct PipeReader(pub(crate) AnonPipe); -/// Write end of the anonymous pipe. +/// Write end of an anonymous pipe. #[unstable(feature = "anonymous_pipe", issue = "127154")] #[derive(Debug)] pub struct PipeWriter(pub(crate) AnonPipe); diff --git a/library/std/src/sys/pal/unix/thread.rs b/library/std/src/sys/pal/unix/thread.rs index f657f82e6e36..356669980c7d 100644 --- a/library/std/src/sys/pal/unix/thread.rs +++ b/library/std/src/sys/pal/unix/thread.rs @@ -130,7 +130,12 @@ impl Thread { } } - #[cfg(any(target_os = "linux", target_os = "freebsd", target_os = "dragonfly"))] + #[cfg(any( + target_os = "linux", + target_os = "freebsd", + target_os = "dragonfly", + target_os = "nuttx" + ))] pub fn set_name(name: &CStr) { unsafe { cfg_if::cfg_if! { @@ -139,7 +144,7 @@ impl Thread { const TASK_COMM_LEN: usize = 16; let name = truncate_cstr::<{ TASK_COMM_LEN }>(name); } else { - // FreeBSD and DragonFly BSD do not enforce length limits. + // FreeBSD, DragonFly, FreeBSD and NuttX do not enforce length limits. } }; // Available since glibc 2.12, musl 1.1.16, and uClibc 1.0.20 for Linux, @@ -150,7 +155,7 @@ impl Thread { } } - #[cfg(any(target_os = "openbsd", target_os = "nuttx"))] + #[cfg(target_os = "openbsd")] pub fn set_name(name: &CStr) { unsafe { libc::pthread_set_name_np(libc::pthread_self(), name.as_ptr()); diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 74923af15558..01a9792f1b37 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -1310,9 +1310,6 @@ def bootstrap(args): args = [build.bootstrap_binary()] args.extend(sys.argv[1:]) env = os.environ.copy() - # The Python process ID is used when creating a Windows job object - # (see src\bootstrap\src\utils\job.rs) - env["BOOTSTRAP_PARENT_ID"] = str(os.getpid()) env["BOOTSTRAP_PYTHON"] = sys.executable run(args, env=env, verbose=build.verbose, is_bootstrap=True) diff --git a/src/bootstrap/src/bin/main.rs b/src/bootstrap/src/bin/main.rs index b65527741952..8ebd6b8aa54c 100644 --- a/src/bootstrap/src/bin/main.rs +++ b/src/bootstrap/src/bin/main.rs @@ -57,7 +57,9 @@ fn main() { } err => { drop(err); - if let Ok(pid) = pid { + // #135972: We can reach this point when the lock has been taken, + // but the locker has not yet written its PID to the file + if let Some(pid) = pid.ok().filter(|pid| !pid.is_empty()) { println!("WARNING: build directory locked by process {pid}, waiting for lock"); } else { println!("WARNING: build directory locked, waiting for lock"); diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 0d3ab6ad97d3..99b033db115c 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -1842,12 +1842,19 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the let mut hostflags = flags.clone(); hostflags.push(format!("-Lnative={}", builder.test_helpers_out(compiler.host).display())); hostflags.extend(linker_flags(builder, compiler.host, LldThreads::No)); - for flag in hostflags { - cmd.arg("--host-rustcflags").arg(flag); - } let mut targetflags = flags; targetflags.push(format!("-Lnative={}", builder.test_helpers_out(target).display())); + + // FIXME: on macOS, we get linker warnings about duplicate `-lm` flags. We should investigate why this happens. + if suite == "ui-fulldeps" && target.ends_with("darwin") { + hostflags.push("-Alinker_messages".into()); + targetflags.push("-Alinker_messages".into()); + } + + for flag in hostflags { + cmd.arg("--host-rustcflags").arg(flag); + } for flag in targetflags { cmd.arg("--target-rustcflags").arg(flag); } @@ -3554,6 +3561,8 @@ impl Step for CodegenGCC { let mut cargo = build_cargo(); cargo + // cg_gcc's build system ignores RUSTFLAGS. pass some flags through CG_RUSTFLAGS instead. + .env("CG_RUSTFLAGS", "-Alinker-messages") .arg("--") .arg("test") .arg("--use-system-gcc") diff --git a/src/bootstrap/src/core/builder/cargo.rs b/src/bootstrap/src/core/builder/cargo.rs index 6b792108784d..d418237a5689 100644 --- a/src/bootstrap/src/core/builder/cargo.rs +++ b/src/bootstrap/src/core/builder/cargo.rs @@ -273,6 +273,13 @@ impl Cargo { self.rustflags.arg("-Clink-arg=-gz"); } + // Ignore linker warnings for now. These are complicated to fix and don't affect the build. + // FIXME: we should really investigate these... + // cfg(bootstrap) + if compiler.stage != 0 { + self.rustflags.arg("-Alinker-messages"); + } + // Throughout the build Cargo can execute a number of build scripts // compiling C/C++ code and we need to pass compilers, archivers, flags, etc // obtained previously to those build scripts. diff --git a/src/bootstrap/src/utils/job.rs b/src/bootstrap/src/utils/job.rs index fb69d331d27e..10efed130d62 100644 --- a/src/bootstrap/src/utils/job.rs +++ b/src/bootstrap/src/utils/job.rs @@ -42,9 +42,9 @@ pub unsafe fn setup(build: &mut crate::Build) { #[cfg(windows)] mod for_windows { use std::ffi::c_void; - use std::{env, io, mem}; + use std::{io, mem}; - use windows::Win32::Foundation::{CloseHandle, DUPLICATE_SAME_ACCESS, DuplicateHandle, HANDLE}; + use windows::Win32::Foundation::CloseHandle; use windows::Win32::System::Diagnostics::Debug::{ SEM_NOGPFAULTERRORBOX, SetErrorMode, THREAD_ERROR_MODE, }; @@ -53,9 +53,7 @@ mod for_windows { JOB_OBJECT_LIMIT_PRIORITY_CLASS, JOBOBJECT_EXTENDED_LIMIT_INFORMATION, JobObjectExtendedLimitInformation, SetInformationJobObject, }; - use windows::Win32::System::Threading::{ - BELOW_NORMAL_PRIORITY_CLASS, GetCurrentProcess, OpenProcess, PROCESS_DUP_HANDLE, - }; + use windows::Win32::System::Threading::{BELOW_NORMAL_PRIORITY_CLASS, GetCurrentProcess}; use windows::core::PCWSTR; use crate::Build; @@ -95,49 +93,8 @@ mod for_windows { return; } - // If we've got a parent process (e.g., the python script that called us) - // then move ownership of this job object up to them. That way if the python - // script is killed (e.g., via ctrl-c) then we'll all be torn down. - // - // If we don't have a parent (e.g., this was run directly) then we - // intentionally leak the job object handle. When our process exits + // Note: we intentionally leak the job object handle. When our process exits // (normally or abnormally) it will close the handle implicitly, causing all // processes in the job to be cleaned up. - let pid = match env::var("BOOTSTRAP_PARENT_ID") { - Ok(s) => s, - Err(..) => return, - }; - - let parent = match OpenProcess(PROCESS_DUP_HANDLE, false, pid.parse().unwrap()).ok() { - Some(parent) => parent, - _ => { - // If we get a null parent pointer here, it is possible that either - // we have an invalid pid or the parent process has been closed. - // Since the first case rarely happens - // (only when wrongly setting the environmental variable), - // it might be better to improve the experience of the second case - // when users have interrupted the parent process and we haven't finish - // duplicating the handle yet. - return; - } - }; - - let mut parent_handle = HANDLE::default(); - // If this fails, well at least we tried! An example of DuplicateHandle - // failing in the past has been when the wrong python2 package spawned this - // build system (e.g., the `python2` package in MSYS instead of - // `mingw-w64-x86_64-python2`). Not sure why it failed, but the "failure - // mode" here is that we only clean everything up when the build system - // dies, not when the python parent does, so not too bad. - let _ = DuplicateHandle( - GetCurrentProcess(), - job, - parent, - &mut parent_handle, - 0, - false, - DUPLICATE_SAME_ACCESS, - ); - CloseHandle(parent).ok(); } } diff --git a/src/build_helper/src/metrics.rs b/src/build_helper/src/metrics.rs index 2d0c66a8f333..538c33e9b159 100644 --- a/src/build_helper/src/metrics.rs +++ b/src/build_helper/src/metrics.rs @@ -16,6 +16,7 @@ pub struct JsonInvocation { // // This is necessary to easily correlate this invocation with logs or other data. pub start_time: u64, + #[serde(deserialize_with = "null_as_f64_nan")] pub duration_including_children_sec: f64, pub children: Vec, } @@ -28,6 +29,7 @@ pub enum JsonNode { type_: String, debug_repr: String, + #[serde(deserialize_with = "null_as_f64_nan")] duration_excluding_children_sec: f64, system_stats: JsonStepSystemStats, @@ -88,5 +90,11 @@ pub struct JsonInvocationSystemStats { #[derive(Serialize, Deserialize)] #[serde(rename_all = "snake_case")] pub struct JsonStepSystemStats { + #[serde(deserialize_with = "null_as_f64_nan")] pub cpu_utilization_percent: f64, } + +fn null_as_f64_nan<'de, D: serde::Deserializer<'de>>(d: D) -> Result { + use serde::Deserialize as _; + Option::::deserialize(d).map(|f| f.unwrap_or(f64::NAN)) +} diff --git a/src/doc/rustc/src/check-cfg/cargo-specifics.md b/src/doc/rustc/src/check-cfg/cargo-specifics.md index bd4bebbc874a..371bbd26e943 100644 --- a/src/doc/rustc/src/check-cfg/cargo-specifics.md +++ b/src/doc/rustc/src/check-cfg/cargo-specifics.md @@ -13,6 +13,8 @@ the `unexpected_cfgs` lint and `--check-cfg` flag. It is not intended to provide individual details, for that refer to the [`--check-cfg` documentation](../check-cfg.md) and to the [Cargo book](../../cargo/index.html). +> The full list of well known cfgs (aka builtins) can be found under [Checking conditional configurations / Well known names and values](../check-cfg.md#well-known-names-and-values). + ## Cargo feature *See the [`[features]` section in the Cargo book][cargo-features] for more details.* diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index ad67c2ba2453..0437ebb58576 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -178,7 +178,7 @@ pub(crate) fn new_dcx( Box::new( JsonEmitter::new( Box::new(io::BufWriter::new(io::stderr())), - source_map, + Some(source_map), fallback_bundle, pretty, json_rendered, diff --git a/src/tools/cargo b/src/tools/cargo index 045bf21b36a2..cecde95c119a 160000 --- a/src/tools/cargo +++ b/src/tools/cargo @@ -1 +1 @@ -Subproject commit 045bf21b36a2e1f3ed85e38278d1c3cc4305e134 +Subproject commit cecde95c119a456c30e57d3e4b31fff5a7d83df4 diff --git a/src/tools/compiletest/src/runtest/run_make.rs b/src/tools/compiletest/src/runtest/run_make.rs index 8a49d6305352..7ef16e4a9667 100644 --- a/src/tools/compiletest/src/runtest/run_make.rs +++ b/src/tools/compiletest/src/runtest/run_make.rs @@ -414,6 +414,8 @@ impl TestCx<'_> { // Provide path to checkout root. This is the top-level directory containing // rust-lang/rust checkout. .env("SOURCE_ROOT", &source_root) + // Path to the build directory. This is usually the same as `source_root.join("build").join("host")`. + .env("BUILD_ROOT", &build_root) // Provide path to stage-corresponding rustc. .env("RUSTC", &self.config.rustc_path) // Provide the directory to libraries that are needed to run the *compiler*. This is not diff --git a/src/tools/miri/tests/fail/rustc-error2.rs b/src/tools/miri/tests/fail/rustc-error2.rs index fd2c53933856..ec42fd17e892 100644 --- a/src/tools/miri/tests/fail/rustc-error2.rs +++ b/src/tools/miri/tests/fail/rustc-error2.rs @@ -4,7 +4,7 @@ struct Struct(T); impl std::ops::Deref for Struct { type Target = dyn Fn(T); fn deref(&self) -> &assert_mem_uninitialized_valid::Target { - //~^ERROR: undeclared crate or module + //~^ERROR: use of unresolved module or unlinked crate unimplemented!() } } diff --git a/src/tools/miri/tests/fail/rustc-error2.stderr b/src/tools/miri/tests/fail/rustc-error2.stderr index cfbf305d3bbf..62e3f392ea9d 100644 --- a/src/tools/miri/tests/fail/rustc-error2.stderr +++ b/src/tools/miri/tests/fail/rustc-error2.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `assert_mem_uninitialized_valid` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `assert_mem_uninitialized_valid` --> tests/fail/rustc-error2.rs:LL:CC | LL | fn deref(&self) -> &assert_mem_uninitialized_valid::Target { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `assert_mem_uninitialized_valid` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `assert_mem_uninitialized_valid` + | + = help: you might be missing a crate named `assert_mem_uninitialized_valid` error: aborting due to 1 previous error diff --git a/src/tools/run-make-support/src/lib.rs b/src/tools/run-make-support/src/lib.rs index ffd4ca22a008..7316244b3841 100644 --- a/src/tools/run-make-support/src/lib.rs +++ b/src/tools/run-make-support/src/lib.rs @@ -90,7 +90,7 @@ pub use artifact_names::{ /// Path-related helpers. pub use path_helpers::{ cwd, filename_contains, filename_not_in_denylist, has_extension, has_prefix, has_suffix, - not_contains, path, shallow_find_files, source_root, + not_contains, path, shallow_find_files, build_root, source_root, }; /// Helpers for scoped test execution where certain properties are attempted to be maintained. diff --git a/src/tools/run-make-support/src/path_helpers.rs b/src/tools/run-make-support/src/path_helpers.rs index 87901793a921..1c59f2feea4c 100644 --- a/src/tools/run-make-support/src/path_helpers.rs +++ b/src/tools/run-make-support/src/path_helpers.rs @@ -34,6 +34,12 @@ pub fn source_root() -> PathBuf { env_var("SOURCE_ROOT").into() } +/// Path to the build directory root. +#[must_use] +pub fn build_root() -> PathBuf { + env_var("BUILD_ROOT").into() +} + /// Browse the directory `path` non-recursively and return all files which respect the parameters /// outlined by `closure`. #[track_caller] diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 59e0042e5c9b..faa0db27b2b0 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -253,6 +253,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "bitflags", "blake3", "block-buffer", + "bstr", "byteorder", // via ruzstd in object in thorin-dwp "cc", "cfg-if", diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index 0e5a7458b68c..5865664fc894 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -409,7 +409,6 @@ ui/closure_context/issue-26046-fn-once.rs ui/closure_context/issue-42065.rs ui/closures/2229_closure_analysis/issue-118144.rs ui/closures/2229_closure_analysis/issue-87378.rs -ui/closures/2229_closure_analysis/issue-87987.rs ui/closures/2229_closure_analysis/issue-88118-2.rs ui/closures/2229_closure_analysis/issue-88476.rs ui/closures/2229_closure_analysis/issue-89606.rs diff --git a/tests/codegen/optimize-attr-1.rs b/tests/codegen/optimize-attr-1.rs index 3aee44791e0e..db6bdcf9a8b9 100644 --- a/tests/codegen/optimize-attr-1.rs +++ b/tests/codegen/optimize-attr-1.rs @@ -37,11 +37,23 @@ pub fn speed() -> i32 { 4 + 4 } +// CHECK-LABEL: define{{.*}}i32 @none +// CHECK-SAME: [[NONE_ATTRS:#[0-9]+]] +// SIZE-OPT: alloca +// SPEED-OPT: alloca +#[no_mangle] +#[optimize(none)] +pub fn none() -> i32 { + let arr = [0, 1, 2, 3, 4]; + arr[4] +} + // NO-OPT-DAG: attributes [[SIZE_ATTRS]] = {{.*}}minsize{{.*}}optsize{{.*}} // SPEED-OPT-DAG: attributes [[SIZE_ATTRS]] = {{.*}}minsize{{.*}}optsize{{.*}} // SIZE-OPT-DAG: attributes [[NOTHING_ATTRS]] = {{.*}}optsize{{.*}} // SIZE-OPT-DAG: attributes [[SIZE_ATTRS]] = {{.*}}minsize{{.*}}optsize{{.*}} +// CHECK-DAG: attributes [[NONE_ATTRS]] = {{.*}}noinline{{.*}}optnone{{.*}} -// SIZE-OPT: attributes [[SPEED_ATTRS]] +// SIZE-OPT-DAG: attributes [[SPEED_ATTRS]] // SIZE-OPT-NOT: minsize // SIZE-OPT-NOT: optsize diff --git a/tests/mir-opt/optimize_none.rs b/tests/mir-opt/optimize_none.rs new file mode 100644 index 000000000000..a5b541bd2b62 --- /dev/null +++ b/tests/mir-opt/optimize_none.rs @@ -0,0 +1,32 @@ +//@ revisions: NO-OPT SPEED-OPT +//@[NO-OPT] compile-flags: -Copt-level=0 +//@[SPEED-OPT] compile-flags: -Copt-level=3 -Coverflow-checks=y + +#![feature(optimize_attribute)] + +#[optimize(none)] +pub fn add_noopt() -> i32 { + // CHECK-LABEL: fn add_noopt( + // CHECK: AddWithOverflow(const 1_i32, const 2_i32); + // CHECK-NEXT: assert + 1 + 2 +} + +#[optimize(none)] +pub fn const_branch() -> i32 { + // CHECK-LABEL: fn const_branch( + // CHECK: switchInt(const true) -> [0: [[FALSE:bb[0-9]+]], otherwise: [[TRUE:bb[0-9]+]]]; + // CHECK-NEXT: } + // CHECK: [[FALSE]]: { + // CHECK-NEXT: _0 = const 0 + // CHECK-NEXT: goto + // CHECK-NEXT: } + // CHECK: [[TRUE]]: { + // CHECK-NEXT: _0 = const 1 + // CHECK-NEXT: goto + // CHECK-NEXT: } + + if true { 1 } else { 0 } +} + +fn main() {} diff --git a/tests/run-make/linker-warning/fake-linker.sh b/tests/run-make/linker-warning/fake-linker.sh new file mode 100755 index 000000000000..ed4d472c3bfb --- /dev/null +++ b/tests/run-make/linker-warning/fake-linker.sh @@ -0,0 +1,17 @@ +#!/bin/sh + +code=0 +while ! [ $# = 0 ]; do + case "$1" in + run_make_info) echo "foo" + ;; + run_make_warn) echo "warning: bar" >&2 + ;; + run_make_error) echo "error: baz" >&2; code=1 + ;; + *) ;; # rustc passes lots of args we don't care about + esac + shift +done + +exit $code diff --git a/tests/run-make/linker-warning/rmake.rs b/tests/run-make/linker-warning/rmake.rs index 4d21c5ea5690..1bd099d2aee5 100644 --- a/tests/run-make/linker-warning/rmake.rs +++ b/tests/run-make/linker-warning/rmake.rs @@ -1,8 +1,19 @@ -use run_make_support::{Rustc, rustc}; +use run_make_support::{Rustc, diff, regex, rustc}; fn run_rustc() -> Rustc { let mut rustc = rustc(); - rustc.arg("main.rs").output("main").linker("./fake-linker"); + rustc + .arg("main.rs") + // NOTE: `link-self-contained` can vary depending on config.toml. + // Make sure we use a consistent value. + .arg("-Clink-self-contained=-linker") + .arg("-Zunstable-options") + .output("main") + .linker("./fake-linker"); + if run_make_support::target() == "x86_64-unknown-linux-gnu" { + // The value of `rust.lld` is different between CI and locally. Override it explicitly. + rustc.arg("-Clinker-flavor=gnu-cc"); + } rustc } @@ -10,19 +21,73 @@ fn main() { // first, compile our linker rustc().arg("fake-linker.rs").output("fake-linker").run(); + // Run rustc with our fake linker, and make sure it shows warnings + let warnings = run_rustc().link_arg("run_make_warn").run(); + warnings.assert_stderr_contains("warning: linker stderr: bar"); + + // Make sure it shows stdout + run_rustc() + .link_arg("run_make_info") + .run() + .assert_stderr_contains("warning: linker stdout: foo"); + + // Make sure we short-circuit this new path if the linker exits with an error + // (so the diagnostic is less verbose) + run_rustc().link_arg("run_make_error").run_fail().assert_stderr_contains("note: error: baz"); + // Make sure we don't show the linker args unless `--verbose` is passed - run_rustc() - .link_arg("run_make_error") - .verbose() - .run_fail() - .assert_stderr_contains_regex("fake-linker.*run_make_error") + let out = run_rustc().link_arg("run_make_error").verbose().run_fail(); + out.assert_stderr_contains_regex("fake-linker.*run_make_error") .assert_stderr_not_contains("object files omitted") + .assert_stderr_contains(r".rcgu.o") .assert_stderr_contains_regex(r"lib(/|\\\\)libstd"); - run_rustc() - .link_arg("run_make_error") - .run_fail() - .assert_stderr_contains("fake-linker") + + let out = run_rustc().link_arg("run_make_error").run_fail(); + out.assert_stderr_contains("fake-linker") .assert_stderr_contains("object files omitted") .assert_stderr_contains_regex(r"\{") + .assert_stderr_not_contains(r".rcgu.o") .assert_stderr_not_contains_regex(r"lib(/|\\\\)libstd"); + + // FIXME: we should have a version of this for mac and windows + if run_make_support::target() == "x86_64-unknown-linux-gnu" { + diff() + .expected_file("short-error.txt") + .actual_text("(linker error)", out.stderr()) + .normalize(r#"/rustc[^/]*/"#, "/rustc/") + .normalize( + regex::escape(run_make_support::build_root().to_str().unwrap()), + "/build-root", + ) + .run(); + } + + // Make sure we show linker warnings even across `-Z no-link` + rustc() + .arg("-Zno-link") + .input("-") + .stdin_buf("#![deny(linker_messages)] \n fn main() {}") + .run() + .assert_stderr_equals(""); + rustc() + .arg("-Zlink-only") + .arg("rust_out.rlink") + .linker("./fake-linker") + .link_arg("run_make_warn") + .run_fail() + // NOTE: the error message here is quite bad (we don't have a source + // span, but still try to print the lint source). But `-Z link-only` is + // unstable and this still shows the linker warning itself so this is + // probably good enough. + .assert_stderr_contains("linker stderr: bar"); + + // Same thing, but with json output. + rustc() + .error_format("json") + .arg("-Zlink-only") + .arg("rust_out.rlink") + .linker("./fake-linker") + .link_arg("run_make_warn") + .run_fail() + .assert_stderr_contains(r#""$message_type":"diagnostic""#); } diff --git a/tests/run-make/linker-warning/short-error.txt b/tests/run-make/linker-warning/short-error.txt new file mode 100644 index 000000000000..dd3b742bbfd5 --- /dev/null +++ b/tests/run-make/linker-warning/short-error.txt @@ -0,0 +1,9 @@ +error: linking with `./fake-linker` failed: exit status: 1 + | + = note: "./fake-linker" "-m64" "/tmp/rustc/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/build-root/test/run-make/linker-warning/rmake_out" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "main" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "run_make_error" + = note: some arguments are omitted. use `--verbose` to show all linker arguments + = note: error: baz + + +error: aborting due to 1 previous error + diff --git a/tests/run-make/rust-lld-by-default-beta-stable/rmake.rs b/tests/run-make/rust-lld-by-default-beta-stable/rmake.rs index 2417a4274e4a..d2f1e8b253a7 100644 --- a/tests/run-make/rust-lld-by-default-beta-stable/rmake.rs +++ b/tests/run-make/rust-lld-by-default-beta-stable/rmake.rs @@ -12,11 +12,7 @@ use run_make_support::rustc; fn main() { // A regular compilation should not use rust-lld by default. We'll check that by asking the // linker to display its version number with a link-arg. - let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") - .link_arg("-Wl,-v") - .input("main.rs") - .run(); + let output = rustc().link_arg("-Wl,-v").input("main.rs").run(); assert!( !find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should not be present in the output logs:\n{}", @@ -25,6 +21,7 @@ fn main() { } fn find_lld_version_in_logs(stderr: String) -> bool { - let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); + let lld_version_re = + Regex::new(r"^warning: linker stdout: LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rust-lld-by-default-nightly/rmake.rs b/tests/run-make/rust-lld-by-default-nightly/rmake.rs index 02bbe8227f03..a25a69b859ba 100644 --- a/tests/run-make/rust-lld-by-default-nightly/rmake.rs +++ b/tests/run-make/rust-lld-by-default-nightly/rmake.rs @@ -12,11 +12,7 @@ use run_make_support::rustc; fn main() { // A regular compilation should use rust-lld by default. We'll check that by asking the linker // to display its version number with a link-arg. - let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") - .link_arg("-Wl,-v") - .input("main.rs") - .run(); + let output = rustc().link_arg("-Wl,-v").input("main.rs").run(); assert!( find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should be present in the output logs:\n{}", @@ -24,12 +20,7 @@ fn main() { ); // But it can still be disabled by turning the linker feature off. - let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") - .link_arg("-Wl,-v") - .arg("-Zlinker-features=-lld") - .input("main.rs") - .run(); + let output = rustc().link_arg("-Wl,-v").arg("-Zlinker-features=-lld").input("main.rs").run(); assert!( !find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should not be present in the output logs:\n{}", @@ -38,6 +29,7 @@ fn main() { } fn find_lld_version_in_logs(stderr: String) -> bool { - let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); + let lld_version_re = + Regex::new(r"^warning: linker stdout: LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rust-lld-custom-target/rmake.rs b/tests/run-make/rust-lld-custom-target/rmake.rs index a6f7c33793af..a6f936ba6e5c 100644 --- a/tests/run-make/rust-lld-custom-target/rmake.rs +++ b/tests/run-make/rust-lld-custom-target/rmake.rs @@ -15,7 +15,6 @@ fn main() { // Compile to a custom target spec with rust-lld enabled by default. We'll check that by asking // the linker to display its version number with a link-arg. let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") .crate_type("cdylib") .target("custom-target.json") .link_arg("-Wl,-v") @@ -29,7 +28,6 @@ fn main() { // But it can also be disabled via linker features. let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") .crate_type("cdylib") .target("custom-target.json") .arg("-Zlinker-features=-lld") @@ -44,6 +42,7 @@ fn main() { } fn find_lld_version_in_logs(stderr: String) -> bool { - let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); + let lld_version_re = + Regex::new(r"^warning: linker stdout: LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/run-make/rust-lld/rmake.rs b/tests/run-make/rust-lld/rmake.rs index 1f311af1ed59..76b15ab1799b 100644 --- a/tests/run-make/rust-lld/rmake.rs +++ b/tests/run-make/rust-lld/rmake.rs @@ -14,7 +14,6 @@ fn main() { // Opt-in to lld and the self-contained linker, to link with rust-lld. We'll check that by // asking the linker to display its version number with a link-arg. let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") .arg("-Zlinker-features=+lld") .arg("-Clink-self-contained=+linker") .arg("-Zunstable-options") @@ -28,12 +27,8 @@ fn main() { ); // It should not be used when we explicitly opt-out of lld. - let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") - .link_arg(linker_version_flag) - .arg("-Zlinker-features=-lld") - .input("main.rs") - .run(); + let output = + rustc().link_arg(linker_version_flag).arg("-Zlinker-features=-lld").input("main.rs").run(); assert!( !find_lld_version_in_logs(output.stderr_utf8()), "the LLD version string should not be present in the output logs:\n{}", @@ -43,7 +38,6 @@ fn main() { // While we're here, also check that the last linker feature flag "wins" when passed multiple // times to rustc. let output = rustc() - .env("RUSTC_LOG", "rustc_codegen_ssa::back::link=info") .link_arg(linker_version_flag) .arg("-Clink-self-contained=+linker") .arg("-Zunstable-options") @@ -60,6 +54,7 @@ fn main() { } fn find_lld_version_in_logs(stderr: String) -> bool { - let lld_version_re = Regex::new(r"^LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); + let lld_version_re = + Regex::new(r"^warning: linker std(out|err): LLD [0-9]+\.[0-9]+\.[0-9]+").unwrap(); stderr.lines().any(|line| lld_version_re.is_match(line.trim())) } diff --git a/tests/rustdoc-ui/ice-unresolved-import-100241.stderr b/tests/rustdoc-ui/ice-unresolved-import-100241.stderr index 2eebedba9a5e..a82847d381c5 100644 --- a/tests/rustdoc-ui/ice-unresolved-import-100241.stderr +++ b/tests/rustdoc-ui/ice-unresolved-import-100241.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `inner` --> $DIR/ice-unresolved-import-100241.rs:9:13 | LL | pub use inner::S; - | ^^^^^ you might be missing crate `inner` + | ^^^^^ use of unresolved module or unlinked crate `inner` | -help: consider importing the `inner` crate +help: you might be missing a crate named `inner`, add it to your project and import it in your code | LL + extern crate inner; | diff --git a/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr b/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr index e68943192130..dcdd230c25a1 100644 --- a/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr +++ b/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr @@ -1,10 +1,10 @@ -error[E0433]: failed to resolve: you might be missing crate `unresolved_crate` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `unresolved_crate` --> $DIR/unresolved-import-recovery.rs:3:5 | LL | use unresolved_crate::module::Name; - | ^^^^^^^^^^^^^^^^ you might be missing crate `unresolved_crate` + | ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `unresolved_crate` | -help: consider importing the `unresolved_crate` crate +help: you might be missing a crate named `unresolved_crate`, add it to your project and import it in your code | LL + extern crate unresolved_crate; | diff --git a/tests/rustdoc-ui/issues/issue-61732.rs b/tests/rustdoc-ui/issues/issue-61732.rs index 3969ab92c32e..d5d9ad5e4637 100644 --- a/tests/rustdoc-ui/issues/issue-61732.rs +++ b/tests/rustdoc-ui/issues/issue-61732.rs @@ -1,4 +1,4 @@ // This previously triggered an ICE. pub(in crate::r#mod) fn main() {} -//~^ ERROR failed to resolve: you might be missing crate `r#mod` +//~^ ERROR failed to resolve: use of unresolved module or unlinked crate `r#mod` diff --git a/tests/rustdoc-ui/issues/issue-61732.stderr b/tests/rustdoc-ui/issues/issue-61732.stderr index 0aa7d558c307..c4e6997ab74d 100644 --- a/tests/rustdoc-ui/issues/issue-61732.stderr +++ b/tests/rustdoc-ui/issues/issue-61732.stderr @@ -1,10 +1,10 @@ -error[E0433]: failed to resolve: you might be missing crate `r#mod` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `r#mod` --> $DIR/issue-61732.rs:3:15 | LL | pub(in crate::r#mod) fn main() {} - | ^^^^^ you might be missing crate `r#mod` + | ^^^^^ use of unresolved module or unlinked crate `r#mod` | -help: consider importing the `r#mod` crate +help: you might be missing a crate named `r#mod`, add it to your project and import it in your code | LL + extern crate r#mod; | diff --git a/tests/ui/attributes/check-builtin-attr-ice.stderr b/tests/ui/attributes/check-builtin-attr-ice.stderr index 5a27da565a85..06a4769b2b42 100644 --- a/tests/ui/attributes/check-builtin-attr-ice.stderr +++ b/tests/ui/attributes/check-builtin-attr-ice.stderr @@ -1,20 +1,20 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `should_panic` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `should_panic` --> $DIR/check-builtin-attr-ice.rs:43:7 | LL | #[should_panic::skip] - | ^^^^^^^^^^^^ use of undeclared crate or module `should_panic` + | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `should_panic` -error[E0433]: failed to resolve: use of undeclared crate or module `should_panic` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `should_panic` --> $DIR/check-builtin-attr-ice.rs:47:7 | LL | #[should_panic::a::b::c] - | ^^^^^^^^^^^^ use of undeclared crate or module `should_panic` + | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `should_panic` -error[E0433]: failed to resolve: use of undeclared crate or module `deny` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `deny` --> $DIR/check-builtin-attr-ice.rs:55:7 | LL | #[deny::skip] - | ^^^^ use of undeclared crate or module `deny` + | ^^^^ use of unresolved module or unlinked crate `deny` error: aborting due to 3 previous errors diff --git a/tests/ui/attributes/check-cfg_attr-ice.stderr b/tests/ui/attributes/check-cfg_attr-ice.stderr index dbdf32597f7b..bed3150bdc2f 100644 --- a/tests/ui/attributes/check-cfg_attr-ice.stderr +++ b/tests/ui/attributes/check-cfg_attr-ice.stderr @@ -17,83 +17,83 @@ LL | #[cfg_attr::no_such_thing] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:52:3 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:55:7 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:57:17 | LL | GiveYouUp(#[cfg_attr::no_such_thing] u8), - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:64:11 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:41:7 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:43:15 | LL | fn from(#[cfg_attr::no_such_thing] any_other_guy: AnyOtherGuy) -> This { - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:45:11 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:32:3 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:24:3 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:27:7 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:16:3 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:19:7 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` -error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cfg_attr` --> $DIR/check-cfg_attr-ice.rs:12:3 | LL | #[cfg_attr::no_such_thing] - | ^^^^^^^^ use of undeclared crate or module `cfg_attr` + | ^^^^^^^^ use of unresolved module or unlinked crate `cfg_attr` error: aborting due to 15 previous errors diff --git a/tests/ui/attributes/field-attributes-vis-unresolved.stderr b/tests/ui/attributes/field-attributes-vis-unresolved.stderr index f8610c08b022..d689b76eaf8b 100644 --- a/tests/ui/attributes/field-attributes-vis-unresolved.stderr +++ b/tests/ui/attributes/field-attributes-vis-unresolved.stderr @@ -1,21 +1,21 @@ -error[E0433]: failed to resolve: you might be missing crate `nonexistent` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nonexistent` --> $DIR/field-attributes-vis-unresolved.rs:17:12 | LL | pub(in nonexistent) field: u8 - | ^^^^^^^^^^^ you might be missing crate `nonexistent` + | ^^^^^^^^^^^ use of unresolved module or unlinked crate `nonexistent` | -help: consider importing the `nonexistent` crate +help: you might be missing a crate named `nonexistent`, add it to your project and import it in your code | LL + extern crate nonexistent; | -error[E0433]: failed to resolve: you might be missing crate `nonexistent` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nonexistent` --> $DIR/field-attributes-vis-unresolved.rs:22:12 | LL | pub(in nonexistent) u8 - | ^^^^^^^^^^^ you might be missing crate `nonexistent` + | ^^^^^^^^^^^ use of unresolved module or unlinked crate `nonexistent` | -help: consider importing the `nonexistent` crate +help: you might be missing a crate named `nonexistent`, add it to your project and import it in your code | LL + extern crate nonexistent; | diff --git a/tests/ui/check-cfg/allow-same-level.rs b/tests/ui/check-cfg/allow-same-level.rs index ff724174cea5..5eef50e08e21 100644 --- a/tests/ui/check-cfg/allow-same-level.rs +++ b/tests/ui/check-cfg/allow-same-level.rs @@ -1,12 +1,24 @@ -// This test check that #[allow(unexpected_cfgs)] doesn't work if put on the same level +// This test check that #[allow(unexpected_cfgs)] **doesn't work** +// when put on the same level as the #[cfg] attribute. +// +// It should work, but due to interactions between how #[cfg]s are +// expanded, the lint machinery and the check-cfg impl, we +// miss the #[allow], althrough we probably shoudln't. +// +// cf. https://github.com/rust-lang/rust/issues/124735 // //@ check-pass //@ no-auto-check-cfg -//@ compile-flags: --check-cfg=cfg() +//@ compile-flags: --check-cfg=cfg() --cfg=unknown_but_active_cfg #[allow(unexpected_cfgs)] #[cfg(FALSE)] //~^ WARNING unexpected `cfg` condition name fn bar() {} +#[allow(unexpected_cfgs)] +#[cfg(unknown_but_active_cfg)] +//~^ WARNING unexpected `cfg` condition name +fn bar() {} + fn main() {} diff --git a/tests/ui/check-cfg/allow-same-level.stderr b/tests/ui/check-cfg/allow-same-level.stderr index 5d74b2116543..a705cd4e5f01 100644 --- a/tests/ui/check-cfg/allow-same-level.stderr +++ b/tests/ui/check-cfg/allow-same-level.stderr @@ -1,13 +1,21 @@ warning: unexpected `cfg` condition name: `FALSE` - --> $DIR/allow-same-level.rs:8:7 + --> $DIR/allow-same-level.rs:15:7 | LL | #[cfg(FALSE)] | ^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(FALSE)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default -warning: 1 warning emitted +warning: unexpected `cfg` condition name: `unknown_but_active_cfg` + --> $DIR/allow-same-level.rs:20:7 + | +LL | #[cfg(unknown_but_active_cfg)] + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = help: to expect this configuration use `--check-cfg=cfg(unknown_but_active_cfg)` + = note: see for more information about checking conditional configuration + +warning: 2 warnings emitted diff --git a/tests/ui/check-cfg/cargo-build-script.stderr b/tests/ui/check-cfg/cargo-build-script.stderr index fb48751bc1db..df0bc47571c7 100644 --- a/tests/ui/check-cfg/cargo-build-script.stderr +++ b/tests/ui/check-cfg/cargo-build-script.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `has_foo` LL | #[cfg(has_foo)] | ^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `has_bar`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `has_bar` and 30 more = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] diff --git a/tests/ui/check-cfg/cargo-feature.none.stderr b/tests/ui/check-cfg/cargo-feature.none.stderr index aa2a1ab8fb2f..58813a1f6770 100644 --- a/tests/ui/check-cfg/cargo-feature.none.stderr +++ b/tests/ui/check-cfg/cargo-feature.none.stderr @@ -1,5 +1,5 @@ warning: unexpected `cfg` condition value: `serde` - --> $DIR/cargo-feature.rs:14:7 + --> $DIR/cargo-feature.rs:15:7 | LL | #[cfg(feature = "serde")] | ^^^^^^^^^^^^^^^^^ help: remove the condition @@ -10,7 +10,7 @@ LL | #[cfg(feature = "serde")] = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition value: (none) - --> $DIR/cargo-feature.rs:18:7 + --> $DIR/cargo-feature.rs:19:7 | LL | #[cfg(feature)] | ^^^^^^^ help: remove the condition @@ -20,12 +20,12 @@ LL | #[cfg(feature)] = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `tokio_unstable` - --> $DIR/cargo-feature.rs:22:7 + --> $DIR/cargo-feature.rs:23:7 | LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `docsrs`, `feature`, and `test` and 30 more = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] @@ -34,7 +34,7 @@ LL | #[cfg(tokio_unstable)] = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `CONFIG_NVME` - --> $DIR/cargo-feature.rs:26:7 + --> $DIR/cargo-feature.rs:27:7 | LL | #[cfg(CONFIG_NVME = "m")] | ^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/check-cfg/cargo-feature.rs b/tests/ui/check-cfg/cargo-feature.rs index 13faf7f28200..a9380ddae1a9 100644 --- a/tests/ui/check-cfg/cargo-feature.rs +++ b/tests/ui/check-cfg/cargo-feature.rs @@ -6,6 +6,7 @@ //@ no-auto-check-cfg //@ revisions: some none //@ rustc-env:CARGO_CRATE_NAME=foo +//@ compile-flags: --check-cfg=cfg(docsrs,test) //@ [none]compile-flags: --check-cfg=cfg(feature,values()) //@ [some]compile-flags: --check-cfg=cfg(feature,values("bitcode")) //@ [some]compile-flags: --check-cfg=cfg(CONFIG_NVME,values("y")) diff --git a/tests/ui/check-cfg/cargo-feature.some.stderr b/tests/ui/check-cfg/cargo-feature.some.stderr index c3ba123985b1..5a12be813387 100644 --- a/tests/ui/check-cfg/cargo-feature.some.stderr +++ b/tests/ui/check-cfg/cargo-feature.some.stderr @@ -1,5 +1,5 @@ warning: unexpected `cfg` condition value: `serde` - --> $DIR/cargo-feature.rs:14:7 + --> $DIR/cargo-feature.rs:15:7 | LL | #[cfg(feature = "serde")] | ^^^^^^^^^^^^^^^^^ @@ -10,7 +10,7 @@ LL | #[cfg(feature = "serde")] = note: `#[warn(unexpected_cfgs)]` on by default warning: unexpected `cfg` condition value: (none) - --> $DIR/cargo-feature.rs:18:7 + --> $DIR/cargo-feature.rs:19:7 | LL | #[cfg(feature)] | ^^^^^^^- help: specify a config value: `= "bitcode"` @@ -20,12 +20,12 @@ LL | #[cfg(feature)] = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `tokio_unstable` - --> $DIR/cargo-feature.rs:22:7 + --> $DIR/cargo-feature.rs:23:7 | LL | #[cfg(tokio_unstable)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `CONFIG_NVME`, `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `CONFIG_NVME`, `docsrs`, `feature`, and `test` and 30 more = help: consider using a Cargo feature instead = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [lints.rust] @@ -34,7 +34,7 @@ LL | #[cfg(tokio_unstable)] = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition value: `m` - --> $DIR/cargo-feature.rs:26:7 + --> $DIR/cargo-feature.rs:27:7 | LL | #[cfg(CONFIG_NVME = "m")] | ^^^^^^^^^^^^^^--- diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr index b7dc27f9ba9d..7c276c581707 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name-duplicate.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `value` LL | #[cfg(value)] | ^^^^^ | - = help: expected names are: `bar`, `bee`, `clippy`, `cow`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `bar`, `bee`, `cow`, and `foo` and 30 more = help: to expect this configuration use `--check-cfg=cfg(value)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr index d2af81d7787c..9687a043e832 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name-multiple.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `my_value` LL | #[cfg(my_value)] | ^^^^^^^^ | - = help: expected names are: `bar`, `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `foo`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `bar` and `foo` and 30 more = help: to expect this configuration use `--check-cfg=cfg(my_value)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr b/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr index 85bf66eb10cb..883679ddf9c8 100644 --- a/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr +++ b/tests/ui/check-cfg/cfg-value-for-cfg-name.stderr @@ -4,7 +4,6 @@ warning: unexpected `cfg` condition name: `linux` LL | #[cfg(linux)] | ^^^^^ help: found config with similar value: `target_os = "linux"` | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(linux)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/compact-names.stderr b/tests/ui/check-cfg/compact-names.stderr index ef0a413bd0d7..74ed0337e3b1 100644 --- a/tests/ui/check-cfg/compact-names.stderr +++ b/tests/ui/check-cfg/compact-names.stderr @@ -4,7 +4,6 @@ warning: unexpected `cfg` condition name: `target_architecture` LL | #[cfg(target(os = "linux", architecture = "arm"))] | ^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(target_architecture, values("arm"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr b/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr index 23b6edacce77..7e77ba63a127 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.empty_cfg.stderr @@ -4,7 +4,6 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names-values.feature.stderr b/tests/ui/check-cfg/exhaustive-names-values.feature.stderr index 804d7fb9163d..10302f0a7e46 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.feature.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.feature.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `feature` and 30 more = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names-values.full.stderr b/tests/ui/check-cfg/exhaustive-names-values.full.stderr index 804d7fb9163d..10302f0a7e46 100644 --- a/tests/ui/check-cfg/exhaustive-names-values.full.stderr +++ b/tests/ui/check-cfg/exhaustive-names-values.full.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `feature` and 30 more = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/exhaustive-names.stderr b/tests/ui/check-cfg/exhaustive-names.stderr index d134cfcfd29b..4d56d24acafc 100644 --- a/tests/ui/check-cfg/exhaustive-names.stderr +++ b/tests/ui/check-cfg/exhaustive-names.stderr @@ -4,7 +4,6 @@ warning: unexpected `cfg` condition name: `unknown_key` LL | #[cfg(unknown_key = "value")] | ^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(unknown_key, values("value"))` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/mix.stderr b/tests/ui/check-cfg/mix.stderr index 76c7befd6d33..033aaef848f7 100644 --- a/tests/ui/check-cfg/mix.stderr +++ b/tests/ui/check-cfg/mix.stderr @@ -44,7 +44,7 @@ warning: unexpected `cfg` condition name: `uu` LL | #[cfg_attr(uu, unix)] | ^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `feature` and 30 more = help: to expect this configuration use `--check-cfg=cfg(uu)` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/raw-keywords.edition2015.stderr b/tests/ui/check-cfg/raw-keywords.edition2015.stderr index 3ad8ebac959b..f19ded9cb671 100644 --- a/tests/ui/check-cfg/raw-keywords.edition2015.stderr +++ b/tests/ui/check-cfg/raw-keywords.edition2015.stderr @@ -14,7 +14,7 @@ warning: unexpected `cfg` condition name: `r#false` LL | #[cfg(r#false)] | ^^^^^^^ | - = help: expected names are: `async`, `clippy`, `debug_assertions`, `doc`, `doctest`, `edition2015`, `edition2021`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `r#true`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `async`, `edition2015`, `edition2021`, and `r#true` and 30 more = help: to expect this configuration use `--check-cfg=cfg(r#false)` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/raw-keywords.edition2021.stderr b/tests/ui/check-cfg/raw-keywords.edition2021.stderr index ff43a3326979..6096148a259b 100644 --- a/tests/ui/check-cfg/raw-keywords.edition2021.stderr +++ b/tests/ui/check-cfg/raw-keywords.edition2021.stderr @@ -14,7 +14,7 @@ warning: unexpected `cfg` condition name: `r#false` LL | #[cfg(r#false)] | ^^^^^^^ | - = help: expected names are: `r#async`, `clippy`, `debug_assertions`, `doc`, `doctest`, `edition2015`, `edition2021`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `r#true`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `r#async`, `edition2015`, `edition2021`, and `r#true` and 30 more = help: to expect this configuration use `--check-cfg=cfg(r#false)` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/report-in-external-macros.cargo.stderr b/tests/ui/check-cfg/report-in-external-macros.cargo.stderr index b82a09917f4e..a6584d777a3a 100644 --- a/tests/ui/check-cfg/report-in-external-macros.cargo.stderr +++ b/tests/ui/check-cfg/report-in-external-macros.cargo.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `my_lib_cfg` LL | cfg_macro::my_lib_macro!(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `feature` and 30 more = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate = help: try referring to `cfg_macro::my_lib_macro` crate for guidance on how handle this unexpected cfg = help: the macro `cfg_macro::my_lib_macro` may come from an old version of the `cfg_macro` crate, try updating your dependency with `cargo update -p cfg_macro` diff --git a/tests/ui/check-cfg/report-in-external-macros.rustc.stderr b/tests/ui/check-cfg/report-in-external-macros.rustc.stderr index 85d84a1e1ee3..914b5a0efe36 100644 --- a/tests/ui/check-cfg/report-in-external-macros.rustc.stderr +++ b/tests/ui/check-cfg/report-in-external-macros.rustc.stderr @@ -4,7 +4,7 @@ warning: unexpected `cfg` condition name: `my_lib_cfg` LL | cfg_macro::my_lib_macro!(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` + = help: expected names are: `feature` and 30 more = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate = help: try referring to `cfg_macro::my_lib_macro` crate for guidance on how handle this unexpected cfg = help: to expect this configuration use `--check-cfg=cfg(my_lib_cfg)` diff --git a/tests/ui/check-cfg/stmt-no-ice.stderr b/tests/ui/check-cfg/stmt-no-ice.stderr index d8c6b0f3cec8..3cf43c6aece1 100644 --- a/tests/ui/check-cfg/stmt-no-ice.stderr +++ b/tests/ui/check-cfg/stmt-no-ice.stderr @@ -4,7 +4,6 @@ warning: unexpected `cfg` condition name: `crossbeam_loom` LL | #[cfg(crossbeam_loom)] | ^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(crossbeam_loom)` = note: see for more information about checking conditional configuration = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/check-cfg/unexpected-cfg-name.stderr b/tests/ui/check-cfg/unexpected-cfg-name.stderr index 4ca7209cc07b..7708d9e3cd43 100644 --- a/tests/ui/check-cfg/unexpected-cfg-name.stderr +++ b/tests/ui/check-cfg/unexpected-cfg-name.stderr @@ -14,7 +14,6 @@ warning: unexpected `cfg` condition name: `test` LL | #[cfg(test)] | ^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(test)` = note: see for more information about checking conditional configuration diff --git a/tests/ui/check-cfg/well-known-names.rs b/tests/ui/check-cfg/well-known-names.rs index b84710ca8399..39fa3a37d1ad 100644 --- a/tests/ui/check-cfg/well-known-names.rs +++ b/tests/ui/check-cfg/well-known-names.rs @@ -2,7 +2,12 @@ // //@ check-pass //@ no-auto-check-cfg -//@ compile-flags: --check-cfg=cfg() +//@ compile-flags: --check-cfg=cfg() -Zcheck-cfg-all-expected +//@ normalize-stderr: "`, `" -> "`\n`" + +#[cfg(list_all_well_known_cfgs)] +//~^ WARNING unexpected `cfg` condition name +fn in_diagnostics() {} #[cfg(target_oz = "linux")] //~^ WARNING unexpected `cfg` condition name diff --git a/tests/ui/check-cfg/well-known-names.stderr b/tests/ui/check-cfg/well-known-names.stderr index 61d518627bae..4ff90261158b 100644 --- a/tests/ui/check-cfg/well-known-names.stderr +++ b/tests/ui/check-cfg/well-known-names.stderr @@ -1,29 +1,66 @@ +warning: unexpected `cfg` condition name: `list_all_well_known_cfgs` + --> $DIR/well-known-names.rs:8:7 + | +LL | #[cfg(list_all_well_known_cfgs)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: expected names are: `clippy` +`debug_assertions` +`doc` +`doctest` +`fmt_debug` +`miri` +`overflow_checks` +`panic` +`proc_macro` +`relocation_model` +`rustfmt` +`sanitize` +`sanitizer_cfi_generalize_pointers` +`sanitizer_cfi_normalize_integers` +`target_abi` +`target_arch` +`target_endian` +`target_env` +`target_family` +`target_feature` +`target_has_atomic` +`target_has_atomic_equal_alignment` +`target_has_atomic_load_store` +`target_os` +`target_pointer_width` +`target_thread_local` +`target_vendor` +`ub_checks` +`unix`, and `windows` + = help: to expect this configuration use `--check-cfg=cfg(list_all_well_known_cfgs)` + = note: see for more information about checking conditional configuration + = note: `#[warn(unexpected_cfgs)]` on by default + warning: unexpected `cfg` condition name: `target_oz` - --> $DIR/well-known-names.rs:7:7 + --> $DIR/well-known-names.rs:12:7 | LL | #[cfg(target_oz = "linux")] | ^^^^^^^^^^^^^^^^^^^ | = help: to expect this configuration use `--check-cfg=cfg(target_oz, values("linux"))` = note: see for more information about checking conditional configuration - = note: `#[warn(unexpected_cfgs)]` on by default help: there is a config with a similar name and value | LL | #[cfg(target_os = "linux")] | ~~~~~~~~~ warning: unexpected `cfg` condition name: `features` - --> $DIR/well-known-names.rs:14:7 + --> $DIR/well-known-names.rs:19:7 | LL | #[cfg(features = "foo")] | ^^^^^^^^^^^^^^^^ | - = help: expected names are: `clippy`, `debug_assertions`, `doc`, `doctest`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `ub_checks`, `unix`, and `windows` = help: to expect this configuration use `--check-cfg=cfg(features, values("foo"))` = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `feature` - --> $DIR/well-known-names.rs:18:7 + --> $DIR/well-known-names.rs:23:7 | LL | #[cfg(feature = "foo")] | ^^^^^^^^^^^^^^^ @@ -32,7 +69,7 @@ LL | #[cfg(feature = "foo")] = note: see for more information about checking conditional configuration warning: unexpected `cfg` condition name: `uniw` - --> $DIR/well-known-names.rs:22:7 + --> $DIR/well-known-names.rs:27:7 | LL | #[cfg(uniw)] | ^^^^ help: there is a config with a similar name: `unix` @@ -40,5 +77,5 @@ LL | #[cfg(uniw)] = help: to expect this configuration use `--check-cfg=cfg(uniw)` = note: see for more information about checking conditional configuration -warning: 4 warnings emitted +warning: 5 warnings emitted diff --git a/tests/ui/closures/2229_closure_analysis/issue-87987.rs b/tests/ui/closures/2229_closure_analysis/issue-87987.rs deleted file mode 100644 index f79a8f1b5710..000000000000 --- a/tests/ui/closures/2229_closure_analysis/issue-87987.rs +++ /dev/null @@ -1,27 +0,0 @@ -//@ run-pass -//@ edition:2021 - -struct Props { - field_1: u32, //~ WARNING: fields `field_1` and `field_2` are never read - field_2: u32, -} - -fn main() { - // Test 1 - let props_2 = Props { field_1: 1, field_2: 1 }; - - let _ = || { - let _: Props = props_2; - }; - - // Test 2 - let mut arr = [1, 3, 4, 5]; - - let mref = &mut arr; - - let _c = || match arr { - [_, _, _, _] => println!("A"), - }; - - println!("{:#?}", mref); -} diff --git a/tests/ui/closures/2229_closure_analysis/issue-87987.stderr b/tests/ui/closures/2229_closure_analysis/issue-87987.stderr deleted file mode 100644 index 5696a010c3f8..000000000000 --- a/tests/ui/closures/2229_closure_analysis/issue-87987.stderr +++ /dev/null @@ -1,14 +0,0 @@ -warning: fields `field_1` and `field_2` are never read - --> $DIR/issue-87987.rs:5:5 - | -LL | struct Props { - | ----- fields in this struct -LL | field_1: u32, - | ^^^^^^^ -LL | field_2: u32, - | ^^^^^^^ - | - = note: `#[warn(dead_code)]` on by default - -warning: 1 warning emitted - diff --git a/tests/ui/closures/2229_closure_analysis/unresolvable-upvar-issue-87987.rs b/tests/ui/closures/2229_closure_analysis/unresolvable-upvar-issue-87987.rs new file mode 100644 index 000000000000..c501e034c97d --- /dev/null +++ b/tests/ui/closures/2229_closure_analysis/unresolvable-upvar-issue-87987.rs @@ -0,0 +1,46 @@ +//! When a closure syntactically captures a place, but doesn't actually capture +//! it, make sure MIR building doesn't ICE when handling that place. +//! +//! Under the Rust 2021 disjoint capture rules, this sort of non-capture can +//! occur when a place is only inspected by infallible non-binding patterns. + +// FIXME(#135985): On its own, this test should probably just be check-pass. +// But there are few/no other tests that use non-binding array patterns and +// invoke the later parts of the compiler, so building/running has some value. + +//@ run-pass +//@ edition:2021 + +#[expect(dead_code)] +struct Props { + field_1: u32, + field_2: u32, +} + +fn main() { + // Test 1 + let props_2 = Props { field_1: 1, field_2: 1 }; + + let _ = || { + let _: Props = props_2; + }; + + // Test 2 + let mut arr = [1, 3, 4, 5]; + + let mref = &mut arr; + + // These array patterns don't need to inspect the array, so the array + // isn't captured. + let _c = || match arr { + [_, _, _, _] => println!("C"), + }; + let _d = || match arr { + [_, .., _] => println!("D"), + }; + let _e = || match arr { + [_, ..] => println!("E"), + }; + + println!("{:#?}", mref); +} diff --git a/tests/ui/coherence/conflicting-impl-with-err.stderr b/tests/ui/coherence/conflicting-impl-with-err.stderr index 3009b452dc7a..75a201797b55 100644 --- a/tests/ui/coherence/conflicting-impl-with-err.stderr +++ b/tests/ui/coherence/conflicting-impl-with-err.stderr @@ -1,14 +1,18 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `nope` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nope` --> $DIR/conflicting-impl-with-err.rs:4:11 | LL | impl From for Error { - | ^^^^ use of undeclared crate or module `nope` + | ^^^^ use of unresolved module or unlinked crate `nope` + | + = help: you might be missing a crate named `nope` -error[E0433]: failed to resolve: use of undeclared crate or module `nope` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nope` --> $DIR/conflicting-impl-with-err.rs:5:16 | LL | fn from(_: nope::Thing) -> Self { - | ^^^^ use of undeclared crate or module `nope` + | ^^^^ use of unresolved module or unlinked crate `nope` + | + = help: you might be missing a crate named `nope` error: aborting due to 2 previous errors diff --git a/tests/ui/consts/const-eval/dont_promote_unstable_const_fn.stderr b/tests/ui/consts/const-eval/dont_promote_unstable_const_fn.stderr index 1de1c78faf6e..a506f2a282bb 100644 --- a/tests/ui/consts/const-eval/dont_promote_unstable_const_fn.stderr +++ b/tests/ui/consts/const-eval/dont_promote_unstable_const_fn.stderr @@ -4,7 +4,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const fn bar() -> u32 { foo() } | ^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] diff --git a/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr b/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr index 899cec07ac70..26dedc49a392 100644 --- a/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr +++ b/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr @@ -4,7 +4,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const fn bar() -> u32 { foo() } | ^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -22,7 +22,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const fn bar2() -> u32 { foo2() } | ^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -57,7 +57,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | foo() | ^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -75,7 +75,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const fn bar2_gated() -> u32 { foo2_gated() } | ^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -93,7 +93,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | pub(crate) const fn bar2_gated_stable_indirect() -> u32 { super::foo2_gated() } | ^^^^^^^^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -111,7 +111,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const fn stable_indirect() -> u32 { foo2_gated() } | ^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] diff --git a/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr b/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr index 442a079020f1..b61f7db6f43b 100644 --- a/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr +++ b/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr @@ -4,7 +4,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const unsafe fn bar() -> u32 { unsafe { foo() } } | ^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -22,7 +22,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const unsafe fn bar2() -> u32 { unsafe { foo2() } } | ^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -40,7 +40,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const unsafe fn bar2_gated() -> u32 { unsafe { foo2_gated() } } | ^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] diff --git a/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability2.stderr b/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability2.stderr index ff37cba7b9ac..fad8e396e9ab 100644 --- a/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability2.stderr +++ b/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability2.stderr @@ -4,7 +4,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const unsafe fn bar() -> u32 { foo() } | ^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -22,7 +22,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const unsafe fn bar2() -> u32 { foo2() } | ^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] @@ -40,7 +40,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const unsafe fn bar2_gated() -> u32 { foo2_gated() } | ^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] diff --git a/tests/ui/consts/min_const_fn/recursive_const_stab_unmarked_crate_imports.stderr b/tests/ui/consts/min_const_fn/recursive_const_stab_unmarked_crate_imports.stderr index a655c0faab62..bbe749f59589 100644 --- a/tests/ui/consts/min_const_fn/recursive_const_stab_unmarked_crate_imports.stderr +++ b/tests/ui/consts/min_const_fn/recursive_const_stab_unmarked_crate_imports.stderr @@ -4,7 +4,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | unstable_if_unmarked_const_fn_crate::not_stably_const(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] diff --git a/tests/ui/consts/min_const_fn/recursive_const_stab_unstable_if_unmarked.stderr b/tests/ui/consts/min_const_fn/recursive_const_stab_unstable_if_unmarked.stderr index d4ba0f9df2da..9d7b81c822bd 100644 --- a/tests/ui/consts/min_const_fn/recursive_const_stab_unstable_if_unmarked.stderr +++ b/tests/ui/consts/min_const_fn/recursive_const_stab_unstable_if_unmarked.stderr @@ -4,7 +4,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | not_stably_const(); | ^^^^^^^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] diff --git a/tests/ui/delegation/bad-resolve.rs b/tests/ui/delegation/bad-resolve.rs index f15e6aa81afb..861f2b15da20 100644 --- a/tests/ui/delegation/bad-resolve.rs +++ b/tests/ui/delegation/bad-resolve.rs @@ -40,7 +40,7 @@ impl Trait for S { } mod prefix {} -reuse unresolved_prefix::{a, b, c}; //~ ERROR use of undeclared crate or module `unresolved_prefix` +reuse unresolved_prefix::{a, b, c}; //~ ERROR use of unresolved module or unlinked crate reuse prefix::{self, super, crate}; //~ ERROR `crate` in paths can only be used in start position fn main() {} diff --git a/tests/ui/delegation/bad-resolve.stderr b/tests/ui/delegation/bad-resolve.stderr index 32d2f3b26cb0..966387e1d616 100644 --- a/tests/ui/delegation/bad-resolve.stderr +++ b/tests/ui/delegation/bad-resolve.stderr @@ -81,11 +81,13 @@ LL | type Type; LL | impl Trait for S { | ^^^^^^^^^^^^^^^^ missing `Type` in implementation -error[E0433]: failed to resolve: use of undeclared crate or module `unresolved_prefix` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `unresolved_prefix` --> $DIR/bad-resolve.rs:43:7 | LL | reuse unresolved_prefix::{a, b, c}; - | ^^^^^^^^^^^^^^^^^ use of undeclared crate or module `unresolved_prefix` + | ^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `unresolved_prefix` + | + = help: you might be missing a crate named `unresolved_prefix` error[E0433]: failed to resolve: `crate` in paths can only be used in start position --> $DIR/bad-resolve.rs:44:29 diff --git a/tests/ui/delegation/glob-bad-path.rs b/tests/ui/delegation/glob-bad-path.rs index 7bc4f0153a30..4ac9d68e8dd1 100644 --- a/tests/ui/delegation/glob-bad-path.rs +++ b/tests/ui/delegation/glob-bad-path.rs @@ -5,7 +5,7 @@ trait Trait {} struct S; impl Trait for u8 { - reuse unresolved::*; //~ ERROR failed to resolve: use of undeclared crate or module `unresolved` + reuse unresolved::*; //~ ERROR failed to resolve: use of unresolved module or unlinked crate `unresolved` reuse S::*; //~ ERROR expected trait, found struct `S` } diff --git a/tests/ui/delegation/glob-bad-path.stderr b/tests/ui/delegation/glob-bad-path.stderr index 0c06364b3f0a..15d9ca412033 100644 --- a/tests/ui/delegation/glob-bad-path.stderr +++ b/tests/ui/delegation/glob-bad-path.stderr @@ -4,11 +4,11 @@ error: expected trait, found struct `S` LL | reuse S::*; | ^ not a trait -error[E0433]: failed to resolve: use of undeclared crate or module `unresolved` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `unresolved` --> $DIR/glob-bad-path.rs:8:11 | LL | reuse unresolved::*; - | ^^^^^^^^^^ use of undeclared crate or module `unresolved` + | ^^^^^^^^^^ use of unresolved module or unlinked crate `unresolved` error: aborting due to 2 previous errors diff --git a/tests/ui/deriving/do-not-suggest-calling-fn-in-derive-macro.rs b/tests/ui/deriving/do-not-suggest-calling-fn-in-derive-macro.rs new file mode 100644 index 000000000000..76b93c0c947c --- /dev/null +++ b/tests/ui/deriving/do-not-suggest-calling-fn-in-derive-macro.rs @@ -0,0 +1,8 @@ +use std::rc::Rc; + +#[derive(PartialEq)] //~ NOTE in this expansion +pub struct Function { + callback: Rc, //~ ERROR binary operation `==` cannot be applied to type `Rc` +} + +fn main() {} diff --git a/tests/ui/deriving/do-not-suggest-calling-fn-in-derive-macro.stderr b/tests/ui/deriving/do-not-suggest-calling-fn-in-derive-macro.stderr new file mode 100644 index 000000000000..40464a49c343 --- /dev/null +++ b/tests/ui/deriving/do-not-suggest-calling-fn-in-derive-macro.stderr @@ -0,0 +1,14 @@ +error[E0369]: binary operation `==` cannot be applied to type `Rc` + --> $DIR/do-not-suggest-calling-fn-in-derive-macro.rs:5:5 + | +LL | #[derive(PartialEq)] + | --------- in this derive macro expansion +LL | pub struct Function { +LL | callback: Rc, + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0369`. diff --git a/tests/ui/diagnostic-width/non-copy-type-moved.rs b/tests/ui/diagnostic-width/non-copy-type-moved.rs new file mode 100644 index 000000000000..a5593ad7b2a3 --- /dev/null +++ b/tests/ui/diagnostic-width/non-copy-type-moved.rs @@ -0,0 +1,17 @@ +//@ compile-flags: --diagnostic-width=60 -Zwrite-long-types-to-disk=yes +//@ normalize-stderr: "long-type-\d+" -> "long-type-hash" +type A = (String, String, String, String); +type B = (A, A, A, A); +type C = (B, B, B, B); +type D = (C, C, C, C); + +trait Trait {} + +fn require_trait() {} + +fn foo(x: D) { + let _a = x; + let _b = x; //~ ERROR use of moved value +} + +fn main() {} diff --git a/tests/ui/diagnostic-width/non-copy-type-moved.stderr b/tests/ui/diagnostic-width/non-copy-type-moved.stderr new file mode 100644 index 000000000000..da9385a5b4dc --- /dev/null +++ b/tests/ui/diagnostic-width/non-copy-type-moved.stderr @@ -0,0 +1,20 @@ +error[E0382]: use of moved value: `x` + --> $DIR/non-copy-type-moved.rs:14:14 + | +LL | fn foo(x: D) { + | - move occurs because `x` has type `((..., ..., ..., ...), ..., ..., ...)`, which does not implement the `Copy` trait +LL | let _a = x; + | - value moved here +LL | let _b = x; + | ^ value used here after move + | + = note: the full type name has been written to '$TEST_BUILD_DIR/diagnostic-width/non-copy-type-moved/non-copy-type-moved.long-type-hash.txt' + = note: consider using `--verbose` to print the full type name to the console +help: consider cloning the value if the performance cost is acceptable + | +LL | let _a = x.clone(); + | ++++++++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0382`. diff --git a/tests/ui/dyn-compatibility/default-param-self-projection.rs b/tests/ui/dyn-compatibility/default-param-self-projection.rs new file mode 100644 index 000000000000..a440cd735dab --- /dev/null +++ b/tests/ui/dyn-compatibility/default-param-self-projection.rs @@ -0,0 +1,17 @@ +trait A::E> {} + +trait D { + type E; +} + +impl A<()> for () {} +impl D for () { + type E = (); +} + +fn f() { + let B: &dyn A = &(); + //~^ ERROR the type parameter `C` must be explicitly specified +} + +fn main() {} diff --git a/tests/ui/dyn-compatibility/default-param-self-projection.stderr b/tests/ui/dyn-compatibility/default-param-self-projection.stderr new file mode 100644 index 000000000000..ea252a99b048 --- /dev/null +++ b/tests/ui/dyn-compatibility/default-param-self-projection.stderr @@ -0,0 +1,18 @@ +error[E0393]: the type parameter `C` must be explicitly specified + --> $DIR/default-param-self-projection.rs:13:17 + | +LL | trait A::E> {} + | --------------------------- type parameter `C` must be specified for this +... +LL | let B: &dyn A = &(); + | ^ + | + = note: because the parameter default references `Self`, the parameter must be specified on the object type +help: set the type parameter to the desired type + | +LL | let B: &dyn A = &(); + | +++ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0393`. diff --git a/tests/ui/error-codes/E0393.stderr b/tests/ui/error-codes/E0393.stderr index 489398b7be59..4847aa2508da 100644 --- a/tests/ui/error-codes/E0393.stderr +++ b/tests/ui/error-codes/E0393.stderr @@ -7,7 +7,7 @@ LL | LL | fn together_we_will_rule_the_galaxy(son: &dyn A) {} | ^ | - = note: because of the default `Self` reference, type parameters must be specified on object types + = note: because the parameter default references `Self`, the parameter must be specified on the object type help: set the type parameter to the desired type | LL | fn together_we_will_rule_the_galaxy(son: &dyn A) {} diff --git a/tests/ui/error-codes/E0432.stderr b/tests/ui/error-codes/E0432.stderr index 36fefc95897d..4ff8b40d1969 100644 --- a/tests/ui/error-codes/E0432.stderr +++ b/tests/ui/error-codes/E0432.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `something` --> $DIR/E0432.rs:1:5 | LL | use something::Foo; - | ^^^^^^^^^ you might be missing crate `something` + | ^^^^^^^^^ use of unresolved module or unlinked crate `something` | -help: consider importing the `something` crate +help: you might be missing a crate named `something`, add it to your project and import it in your code | LL + extern crate something; | diff --git a/tests/ui/extern-flag/multiple-opts.stderr b/tests/ui/extern-flag/multiple-opts.stderr index 0aaca5ee253e..d0f38bad94c6 100644 --- a/tests/ui/extern-flag/multiple-opts.stderr +++ b/tests/ui/extern-flag/multiple-opts.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `somedep` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `somedep` --> $DIR/multiple-opts.rs:19:5 | LL | somedep::somefun(); - | ^^^^^^^ use of undeclared crate or module `somedep` + | ^^^^^^^ use of unresolved module or unlinked crate `somedep` + | + = help: you might be missing a crate named `somedep` error: aborting due to 1 previous error diff --git a/tests/ui/extern-flag/noprelude.stderr b/tests/ui/extern-flag/noprelude.stderr index 23b9b2fd94b2..fbd84956f66d 100644 --- a/tests/ui/extern-flag/noprelude.stderr +++ b/tests/ui/extern-flag/noprelude.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `somedep` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `somedep` --> $DIR/noprelude.rs:6:5 | LL | somedep::somefun(); - | ^^^^^^^ use of undeclared crate or module `somedep` + | ^^^^^^^ use of unresolved module or unlinked crate `somedep` + | + = help: you might be missing a crate named `somedep` error: aborting due to 1 previous error diff --git a/tests/ui/feature-gates/feature-gate-optimize_attribute.rs b/tests/ui/feature-gates/feature-gate-optimize_attribute.rs index 7f9cada6a47d..77cc307c9f45 100644 --- a/tests/ui/feature-gates/feature-gate-optimize_attribute.rs +++ b/tests/ui/feature-gates/feature-gate-optimize_attribute.rs @@ -6,6 +6,9 @@ fn size() {} #[optimize(speed)] //~ ERROR the `#[optimize]` attribute is an experimental feature fn speed() {} +#[optimize(none)] //~ ERROR the `#[optimize]` attribute is an experimental feature +fn none() {} + #[optimize(banana)] //~^ ERROR the `#[optimize]` attribute is an experimental feature //~| ERROR E0722 diff --git a/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr b/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr index ca8f4a078f09..4e6e4ac2703a 100644 --- a/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr +++ b/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr @@ -21,6 +21,16 @@ LL | #[optimize(speed)] error[E0658]: the `#[optimize]` attribute is an experimental feature --> $DIR/feature-gate-optimize_attribute.rs:9:1 | +LL | #[optimize(none)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #54882 for more information + = help: add `#![feature(optimize_attribute)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: the `#[optimize]` attribute is an experimental feature + --> $DIR/feature-gate-optimize_attribute.rs:12:1 + | LL | #[optimize(banana)] | ^^^^^^^^^^^^^^^^^^^ | @@ -29,12 +39,12 @@ LL | #[optimize(banana)] = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0722]: invalid argument - --> $DIR/feature-gate-optimize_attribute.rs:9:12 + --> $DIR/feature-gate-optimize_attribute.rs:12:12 | LL | #[optimize(banana)] | ^^^^^^ -error: aborting due to 4 previous errors +error: aborting due to 5 previous errors Some errors have detailed explanations: E0658, E0722. For more information about an error, try `rustc --explain E0658`. diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs index 141927b4de8c..a196b8ecdb3e 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs @@ -81,20 +81,11 @@ #![crate_name = "0900"] #![crate_type = "bin"] // cannot pass "0800" here -#![crate_id = "10"] -//~^ WARN use of deprecated attribute -//~| HELP remove this attribute -//~| NOTE `#[warn(deprecated)]` on by default - // FIXME(#44232) we should warn that this isn't used. #![feature(rust1)] //~^ WARN no longer requires an attribute to enable //~| NOTE `#[warn(stable_features)]` on by default -#![no_start] -//~^ WARN use of deprecated attribute -//~| HELP remove this attribute - // (cannot easily gating state of crate-level #[no_main]; but non crate-level is below at "0400") #![no_builtins] #![recursion_limit = "0200"] diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr index 18fb75aafbb3..1c6868dc95d9 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr @@ -1,5 +1,5 @@ warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:400:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:391:17 | LL | mod inner { #![macro_escape] } | ^^^^^^^^^^^^^^^^ @@ -7,7 +7,7 @@ LL | mod inner { #![macro_escape] } = help: try an outer attribute: `#[macro_use]` warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:397:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:388:1 | LL | #[macro_escape] | ^^^^^^^^^^^^^^^ @@ -42,166 +42,152 @@ warning: unknown lint: `x5100` LL | #![deny(x5100)] | ^^^^^ -warning: use of deprecated attribute `crate_id`: no longer used - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:84:1 - | -LL | #![crate_id = "10"] - | ^^^^^^^^^^^^^^^^^^^ help: remove this attribute - | - = note: `#[warn(deprecated)]` on by default - -warning: use of deprecated attribute `no_start`: no longer used - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:94:1 - | -LL | #![no_start] - | ^^^^^^^^^^^^ help: remove this attribute - warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:105:8 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:96:8 | LL | #[warn(x5400)] | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:108:25 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:99:25 | LL | mod inner { #![warn(x5400)] } | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:111:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:102:12 | LL | #[warn(x5400)] fn f() { } | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:114:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:105:12 | LL | #[warn(x5400)] struct S; | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:117:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:108:12 | LL | #[warn(x5400)] type T = S; | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:120:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:111:12 | LL | #[warn(x5400)] impl S { } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:124:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:115:9 | LL | #[allow(x5300)] | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:127:26 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:118:26 | LL | mod inner { #![allow(x5300)] } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:130:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:121:13 | LL | #[allow(x5300)] fn f() { } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:133:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:124:13 | LL | #[allow(x5300)] struct S; | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:136:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:127:13 | LL | #[allow(x5300)] type T = S; | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:139:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:130:13 | LL | #[allow(x5300)] impl S { } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:143:10 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:134:10 | LL | #[forbid(x5200)] | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:146:27 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:137:27 | LL | mod inner { #![forbid(x5200)] } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:149:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:140:14 | LL | #[forbid(x5200)] fn f() { } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:152:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:143:14 | LL | #[forbid(x5200)] struct S; | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:155:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:146:14 | LL | #[forbid(x5200)] type T = S; | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:158:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:149:14 | LL | #[forbid(x5200)] impl S { } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:162:8 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:153:8 | LL | #[deny(x5100)] | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:165:25 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:156:25 | LL | mod inner { #![deny(x5100)] } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:168:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:159:12 | LL | #[deny(x5100)] fn f() { } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:171:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:162:12 | LL | #[deny(x5100)] struct S; | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:174:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:165:12 | LL | #[deny(x5100)] type T = S; | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:177:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:168:12 | LL | #[deny(x5100)] impl S { } | ^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:198:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:189:1 | LL | #[macro_export] | ^^^^^^^^^^^^^^^ @@ -213,13 +199,13 @@ LL | #![warn(unused_attributes, unknown_lints)] | ^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:266:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:257:1 | LL | #[automatically_derived] | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:284:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:275:1 | LL | #[no_mangle] | ^^^^^^^^^^^^ @@ -234,31 +220,31 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:324:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:315:1 | LL | #[should_panic] | ^^^^^^^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:342:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:333:1 | LL | #[ignore] | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:377:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:368:1 | LL | #[reexport_test_harness_main = "2900"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:417:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:408:1 | LL | #[no_std] | ^^^^^^^^^ warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:453:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:444:1 | LL | #[cold] | ^^^^^^^ @@ -274,7 +260,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:482:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:473:1 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ @@ -290,7 +276,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:521:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:512:1 | LL | #[link_section = "1800"] | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -306,7 +292,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:553:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:544:1 | LL | #[link()] | ^^^^^^^^^ @@ -322,55 +308,55 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[must_use]` has no effect when applied to a module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:604:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:595:1 | LL | #[must_use] | ^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:617:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:608:1 | LL | #[windows_subsystem = "windows"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:638:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:629:1 | LL | #[crate_name = "0900"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:657:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:648:1 | LL | #[crate_type = "0800"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:676:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:667:1 | LL | #[feature(x0600)] | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:696:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:687:1 | LL | #[no_main] | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:715:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:706:1 | LL | #[no_builtins] | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:734:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:725:1 | LL | #[recursion_limit="0200"] | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:753:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:744:1 | LL | #[type_length_limit="0100"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -432,109 +418,109 @@ LL | #![must_use] | ^^^^^^^^^^^^ warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:185:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:176:5 | LL | #[macro_use] fn f() { } | ^^^^^^^^^^^^ warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:188:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:179:5 | LL | #[macro_use] struct S; | ^^^^^^^^^^^^ warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:191:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:182:5 | LL | #[macro_use] type T = S; | ^^^^^^^^^^^^ warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:194:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:185:5 | LL | #[macro_use] impl S { } | ^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:201:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:192:17 | LL | mod inner { #![macro_export] } | ^^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:204:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:195:5 | LL | #[macro_export] fn f() { } | ^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:207:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:198:5 | LL | #[macro_export] struct S; | ^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:210:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:201:5 | LL | #[macro_export] type T = S; | ^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:213:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:204:5 | LL | #[macro_export] impl S { } | ^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:253:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:244:5 | LL | #[path = "3800"] fn f() { } | ^^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:256:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:247:5 | LL | #[path = "3800"] struct S; | ^^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:259:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:250:5 | LL | #[path = "3800"] type T = S; | ^^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:262:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:253:5 | LL | #[path = "3800"] impl S { } | ^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:269:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:260:17 | LL | mod inner { #![automatically_derived] } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:272:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:263:5 | LL | #[automatically_derived] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:275:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:266:5 | LL | #[automatically_derived] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:278:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:269:5 | LL | #[automatically_derived] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:289:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:280:17 | LL | mod inner { #![no_mangle] } | ------------^^^^^^^^^^^^^-- not a free function, impl method or static @@ -542,7 +528,7 @@ LL | mod inner { #![no_mangle] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:296:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:287:5 | LL | #[no_mangle] struct S; | ^^^^^^^^^^^^ --------- not a free function, impl method or static @@ -550,7 +536,7 @@ LL | #[no_mangle] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:301:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:292:5 | LL | #[no_mangle] type T = S; | ^^^^^^^^^^^^ ----------- not a free function, impl method or static @@ -558,7 +544,7 @@ LL | #[no_mangle] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:306:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:297:5 | LL | #[no_mangle] impl S { } | ^^^^^^^^^^^^ ---------- not a free function, impl method or static @@ -566,7 +552,7 @@ LL | #[no_mangle] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:312:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:303:9 | LL | #[no_mangle] fn foo(); | ^^^^^^^^^^^^ --------- not a free function, impl method or static @@ -574,7 +560,7 @@ LL | #[no_mangle] fn foo(); = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:317:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:308:9 | LL | #[no_mangle] fn bar() {} | ^^^^^^^^^^^^ ----------- not a free function, impl method or static @@ -582,163 +568,163 @@ LL | #[no_mangle] fn bar() {} = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:327:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:318:17 | LL | mod inner { #![should_panic] } | ^^^^^^^^^^^^^^^^ warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:332:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:323:5 | LL | #[should_panic] struct S; | ^^^^^^^^^^^^^^^ warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:335:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:326:5 | LL | #[should_panic] type T = S; | ^^^^^^^^^^^^^^^ warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:338:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:329:5 | LL | #[should_panic] impl S { } | ^^^^^^^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:345:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:336:17 | LL | mod inner { #![ignore] } | ^^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:350:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:341:5 | LL | #[ignore] struct S; | ^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:353:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:344:5 | LL | #[ignore] type T = S; | ^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:356:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:347:5 | LL | #[ignore] impl S { } | ^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:364:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:355:5 | LL | #[no_implicit_prelude] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:367:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:358:5 | LL | #[no_implicit_prelude] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:370:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:361:5 | LL | #[no_implicit_prelude] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:373:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:364:5 | LL | #[no_implicit_prelude] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:380:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:371:17 | LL | mod inner { #![reexport_test_harness_main="2900"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:383:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:374:5 | LL | #[reexport_test_harness_main = "2900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:386:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:377:5 | LL | #[reexport_test_harness_main = "2900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:389:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:380:5 | LL | #[reexport_test_harness_main = "2900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:392:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:383:5 | LL | #[reexport_test_harness_main = "2900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:404:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:395:5 | LL | #[macro_escape] fn f() { } | ^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:407:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:398:5 | LL | #[macro_escape] struct S; | ^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:410:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:401:5 | LL | #[macro_escape] type T = S; | ^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:413:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:404:5 | LL | #[macro_escape] impl S { } | ^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:420:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:411:17 | LL | mod inner { #![no_std] } | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:423:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:414:5 | LL | #[no_std] fn f() { } | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:426:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:417:5 | LL | #[no_std] struct S; | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:429:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:420:5 | LL | #[no_std] type T = S; | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:432:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:423:5 | LL | #[no_std] impl S { } | ^^^^^^^^^ warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:459:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:450:17 | LL | mod inner { #![cold] } | ------------^^^^^^^^-- not a function definition @@ -746,7 +732,7 @@ LL | mod inner { #![cold] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:466:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:457:5 | LL | #[cold] struct S; | ^^^^^^^ --------- not a function definition @@ -754,7 +740,7 @@ LL | #[cold] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:471:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:462:5 | LL | #[cold] type T = S; | ^^^^^^^ ----------- not a function definition @@ -762,7 +748,7 @@ LL | #[cold] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:476:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:467:5 | LL | #[cold] impl S { } | ^^^^^^^ ---------- not a function definition @@ -770,7 +756,7 @@ LL | #[cold] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:488:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:479:5 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ @@ -780,13 +766,13 @@ LL | extern "C" { } | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! help: try `#[link(name = "1900")]` instead - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:488:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:479:5 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:495:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:486:17 | LL | mod inner { #![link_name="1900"] } | ------------^^^^^^^^^^^^^^^^^^^^-- not a foreign function or static @@ -794,7 +780,7 @@ LL | mod inner { #![link_name="1900"] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:500:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:491:5 | LL | #[link_name = "1900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^ ---------- not a foreign function or static @@ -802,7 +788,7 @@ LL | #[link_name = "1900"] fn f() { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:505:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:496:5 | LL | #[link_name = "1900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^ --------- not a foreign function or static @@ -810,7 +796,7 @@ LL | #[link_name = "1900"] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:510:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:501:5 | LL | #[link_name = "1900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^ ----------- not a foreign function or static @@ -818,7 +804,7 @@ LL | #[link_name = "1900"] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:515:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:506:5 | LL | #[link_name = "1900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^ ---------- not a foreign function or static @@ -826,7 +812,7 @@ LL | #[link_name = "1900"] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:527:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:518:17 | LL | mod inner { #![link_section="1800"] } | ------------^^^^^^^^^^^^^^^^^^^^^^^-- not a function or static @@ -834,7 +820,7 @@ LL | mod inner { #![link_section="1800"] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:534:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:525:5 | LL | #[link_section = "1800"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^ --------- not a function or static @@ -842,7 +828,7 @@ LL | #[link_section = "1800"] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:539:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:530:5 | LL | #[link_section = "1800"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^ ----------- not a function or static @@ -850,7 +836,7 @@ LL | #[link_section = "1800"] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:544:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:535:5 | LL | #[link_section = "1800"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^ ---------- not a function or static @@ -858,7 +844,7 @@ LL | #[link_section = "1800"] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:559:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:550:17 | LL | mod inner { #![link()] } | ------------^^^^^^^^^^-- not an `extern` block @@ -866,7 +852,7 @@ LL | mod inner { #![link()] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:564:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:555:5 | LL | #[link()] fn f() { } | ^^^^^^^^^ ---------- not an `extern` block @@ -874,7 +860,7 @@ LL | #[link()] fn f() { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:569:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:560:5 | LL | #[link()] struct S; | ^^^^^^^^^ --------- not an `extern` block @@ -882,7 +868,7 @@ LL | #[link()] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:574:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:565:5 | LL | #[link()] type T = S; | ^^^^^^^^^ ----------- not an `extern` block @@ -890,7 +876,7 @@ LL | #[link()] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:579:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:570:5 | LL | #[link()] impl S { } | ^^^^^^^^^ ---------- not an `extern` block @@ -898,7 +884,7 @@ LL | #[link()] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:584:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:575:5 | LL | #[link()] extern "Rust" {} | ^^^^^^^^^ @@ -906,270 +892,270 @@ LL | #[link()] extern "Rust" {} = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[must_use]` has no effect when applied to a module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:606:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:597:17 | LL | mod inner { #![must_use] } | ^^^^^^^^^^^^ warning: `#[must_use]` has no effect when applied to a type alias - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:612:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:603:5 | LL | #[must_use] type T = S; | ^^^^^^^^^^^ warning: `#[must_use]` has no effect when applied to an implementation block - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:614:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:605:5 | LL | #[must_use] impl S { } | ^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:620:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:611:17 | LL | mod inner { #![windows_subsystem="windows"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:623:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:614:5 | LL | #[windows_subsystem = "windows"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:626:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:617:5 | LL | #[windows_subsystem = "windows"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:629:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:620:5 | LL | #[windows_subsystem = "windows"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:632:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:623:5 | LL | #[windows_subsystem = "windows"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:641:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:632:17 | LL | mod inner { #![crate_name="0900"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:644:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:635:5 | LL | #[crate_name = "0900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:647:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:638:5 | LL | #[crate_name = "0900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:650:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:641:5 | LL | #[crate_name = "0900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:653:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:644:5 | LL | #[crate_name = "0900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:660:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:651:17 | LL | mod inner { #![crate_type="0800"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:663:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:654:5 | LL | #[crate_type = "0800"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:666:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:657:5 | LL | #[crate_type = "0800"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:669:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:660:5 | LL | #[crate_type = "0800"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:672:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:663:5 | LL | #[crate_type = "0800"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:679:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:670:17 | LL | mod inner { #![feature(x0600)] } | ^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:682:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:673:5 | LL | #[feature(x0600)] fn f() { } | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:685:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:676:5 | LL | #[feature(x0600)] struct S; | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:688:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:679:5 | LL | #[feature(x0600)] type T = S; | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:691:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:682:5 | LL | #[feature(x0600)] impl S { } | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:699:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:690:17 | LL | mod inner { #![no_main] } | ^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:702:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:693:5 | LL | #[no_main] fn f() { } | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:705:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:696:5 | LL | #[no_main] struct S; | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:708:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:699:5 | LL | #[no_main] type T = S; | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:711:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:702:5 | LL | #[no_main] impl S { } | ^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:718:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:709:17 | LL | mod inner { #![no_builtins] } | ^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:721:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:712:5 | LL | #[no_builtins] fn f() { } | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:724:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:715:5 | LL | #[no_builtins] struct S; | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:727:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:718:5 | LL | #[no_builtins] type T = S; | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:730:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:721:5 | LL | #[no_builtins] impl S { } | ^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:737:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:728:17 | LL | mod inner { #![recursion_limit="0200"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:740:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:731:5 | LL | #[recursion_limit="0200"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:743:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:734:5 | LL | #[recursion_limit="0200"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:746:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:737:5 | LL | #[recursion_limit="0200"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:749:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:740:5 | LL | #[recursion_limit="0200"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:756:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:747:17 | LL | mod inner { #![type_length_limit="0100"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:759:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:750:5 | LL | #[type_length_limit="0100"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:762:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:753:5 | LL | #[type_length_limit="0100"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:765:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:756:5 | LL | #[type_length_limit="0100"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:768:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:759:5 | LL | #[type_length_limit="0100"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: the feature `rust1` has been stable since 1.0.0 and no longer requires an attribute to enable - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:90:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:85:12 | LL | #![feature(rust1)] | ^^^^^ | = note: `#[warn(stable_features)]` on by default -warning: 173 warnings emitted +warning: 171 warnings emitted diff --git a/tests/ui/foreign/stashed-issue-121451.rs b/tests/ui/foreign/stashed-issue-121451.rs index 97a4af374758..77a736739bfa 100644 --- a/tests/ui/foreign/stashed-issue-121451.rs +++ b/tests/ui/foreign/stashed-issue-121451.rs @@ -1,4 +1,4 @@ extern "C" fn _f() -> libc::uintptr_t {} -//~^ ERROR failed to resolve: use of undeclared crate or module `libc` +//~^ ERROR failed to resolve fn main() {} diff --git a/tests/ui/foreign/stashed-issue-121451.stderr b/tests/ui/foreign/stashed-issue-121451.stderr index 440d98d6f460..31dd3b4fb5e8 100644 --- a/tests/ui/foreign/stashed-issue-121451.stderr +++ b/tests/ui/foreign/stashed-issue-121451.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `libc` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc` --> $DIR/stashed-issue-121451.rs:1:23 | LL | extern "C" fn _f() -> libc::uintptr_t {} - | ^^^^ use of undeclared crate or module `libc` + | ^^^^ use of unresolved module or unlinked crate `libc` + | + = help: you might be missing a crate named `libc` error: aborting due to 1 previous error diff --git a/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.rs b/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.rs index aaf831d1983e..71c33674b37f 100644 --- a/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.rs +++ b/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.rs @@ -10,7 +10,7 @@ macro a() { mod u { // Late resolution. fn f() { my_core::mem::drop(0); } - //~^ ERROR failed to resolve: use of undeclared crate or module `my_core` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `my_core` } } @@ -23,7 +23,7 @@ mod v { mod u { // Late resolution. fn f() { my_core::mem::drop(0); } - //~^ ERROR failed to resolve: use of undeclared crate or module `my_core` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `my_core` } fn main() {} diff --git a/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr b/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr index cc229764ad3f..87ef07c27f5b 100644 --- a/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr +++ b/tests/ui/hygiene/extern-prelude-from-opaque-fail-2018.stderr @@ -15,25 +15,27 @@ LL | a!(); | = note: this error originates in the macro `a` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0433]: failed to resolve: use of undeclared crate or module `my_core` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_core` --> $DIR/extern-prelude-from-opaque-fail-2018.rs:12:18 | LL | fn f() { my_core::mem::drop(0); } - | ^^^^^^^ use of undeclared crate or module `my_core` + | ^^^^^^^ use of unresolved module or unlinked crate `my_core` ... LL | a!(); | ---- in this macro invocation | + = help: you might be missing a crate named `my_core` = help: consider importing this module: std::mem = note: this error originates in the macro `a` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0433]: failed to resolve: use of undeclared crate or module `my_core` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_core` --> $DIR/extern-prelude-from-opaque-fail-2018.rs:25:14 | LL | fn f() { my_core::mem::drop(0); } - | ^^^^^^^ use of undeclared crate or module `my_core` + | ^^^^^^^ use of unresolved module or unlinked crate `my_core` | + = help: you might be missing a crate named `my_core` help: consider importing this module | LL + use std::mem; diff --git a/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs b/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs index be3102aeab07..8265b73cc565 100644 --- a/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs +++ b/tests/ui/hygiene/extern-prelude-from-opaque-fail.rs @@ -10,7 +10,7 @@ macro a() { mod u { // Late resolution. fn f() { my_core::mem::drop(0); } - //~^ ERROR failed to resolve: use of undeclared crate or module `my_core` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `my_core` } } @@ -23,7 +23,7 @@ mod v { mod u { // Late resolution. fn f() { my_core::mem::drop(0); } - //~^ ERROR failed to resolve: use of undeclared crate or module `my_core` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `my_core` } fn main() {} diff --git a/tests/ui/hygiene/extern-prelude-from-opaque-fail.stderr b/tests/ui/hygiene/extern-prelude-from-opaque-fail.stderr index 13b2827ef39b..d36bc9130953 100644 --- a/tests/ui/hygiene/extern-prelude-from-opaque-fail.stderr +++ b/tests/ui/hygiene/extern-prelude-from-opaque-fail.stderr @@ -15,25 +15,27 @@ LL | a!(); | = note: this error originates in the macro `a` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0433]: failed to resolve: use of undeclared crate or module `my_core` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_core` --> $DIR/extern-prelude-from-opaque-fail.rs:12:18 | LL | fn f() { my_core::mem::drop(0); } - | ^^^^^^^ use of undeclared crate or module `my_core` + | ^^^^^^^ use of unresolved module or unlinked crate `my_core` ... LL | a!(); | ---- in this macro invocation | + = help: you might be missing a crate named `my_core` = help: consider importing this module: my_core::mem = note: this error originates in the macro `a` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0433]: failed to resolve: use of undeclared crate or module `my_core` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `my_core` --> $DIR/extern-prelude-from-opaque-fail.rs:25:14 | LL | fn f() { my_core::mem::drop(0); } - | ^^^^^^^ use of undeclared crate or module `my_core` + | ^^^^^^^ use of unresolved module or unlinked crate `my_core` | + = help: you might be missing a crate named `my_core` help: consider importing this module | LL + use my_core::mem; diff --git a/tests/ui/impl-trait/issue-72911.stderr b/tests/ui/impl-trait/issue-72911.stderr index 0e86561aa277..063b7f68dc02 100644 --- a/tests/ui/impl-trait/issue-72911.stderr +++ b/tests/ui/impl-trait/issue-72911.stderr @@ -1,14 +1,18 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `foo` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `foo` --> $DIR/issue-72911.rs:11:33 | LL | fn gather_from_file(dir_entry: &foo::MissingItem) -> impl Iterator { - | ^^^ use of undeclared crate or module `foo` + | ^^^ use of unresolved module or unlinked crate `foo` + | + = help: you might be missing a crate named `foo` -error[E0433]: failed to resolve: use of undeclared crate or module `foo` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `foo` --> $DIR/issue-72911.rs:16:41 | LL | fn lint_files() -> impl Iterator { - | ^^^ use of undeclared crate or module `foo` + | ^^^ use of unresolved module or unlinked crate `foo` + | + = help: you might be missing a crate named `foo` error: aborting due to 2 previous errors diff --git a/tests/ui/impl-trait/stashed-diag-issue-121504.rs b/tests/ui/impl-trait/stashed-diag-issue-121504.rs index 4ac8ffe8931c..84686ba4f7d3 100644 --- a/tests/ui/impl-trait/stashed-diag-issue-121504.rs +++ b/tests/ui/impl-trait/stashed-diag-issue-121504.rs @@ -4,7 +4,7 @@ trait MyTrait { async fn foo(self) -> (Self, i32); } -impl MyTrait for xyz::T { //~ ERROR failed to resolve: use of undeclared crate or module `xyz` +impl MyTrait for xyz::T { //~ ERROR failed to resolve: use of unresolved module or unlinked crate `xyz` async fn foo(self, key: i32) -> (u32, i32) { (self, key) } diff --git a/tests/ui/impl-trait/stashed-diag-issue-121504.stderr b/tests/ui/impl-trait/stashed-diag-issue-121504.stderr index 6a881dc7f9fb..41c6cc425558 100644 --- a/tests/ui/impl-trait/stashed-diag-issue-121504.stderr +++ b/tests/ui/impl-trait/stashed-diag-issue-121504.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `xyz` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `xyz` --> $DIR/stashed-diag-issue-121504.rs:7:18 | LL | impl MyTrait for xyz::T { - | ^^^ use of undeclared crate or module `xyz` + | ^^^ use of unresolved module or unlinked crate `xyz` + | + = help: you might be missing a crate named `xyz` error: aborting due to 1 previous error diff --git a/tests/ui/imports/extern-prelude-extern-crate-fail.rs b/tests/ui/imports/extern-prelude-extern-crate-fail.rs index 2f018851d193..84751ecc02b6 100644 --- a/tests/ui/imports/extern-prelude-extern-crate-fail.rs +++ b/tests/ui/imports/extern-prelude-extern-crate-fail.rs @@ -7,7 +7,7 @@ mod n { mod m { fn check() { - two_macros::m!(); //~ ERROR failed to resolve: use of undeclared crate or module `two_macros` + two_macros::m!(); //~ ERROR failed to resolve: use of unresolved module or unlinked crate `two_macros` } } diff --git a/tests/ui/imports/extern-prelude-extern-crate-fail.stderr b/tests/ui/imports/extern-prelude-extern-crate-fail.stderr index f7e37449eebe..ec53730afa02 100644 --- a/tests/ui/imports/extern-prelude-extern-crate-fail.stderr +++ b/tests/ui/imports/extern-prelude-extern-crate-fail.stderr @@ -9,11 +9,11 @@ LL | define_std_as_non_existent!(); | = note: this error originates in the macro `define_std_as_non_existent` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0433]: failed to resolve: use of undeclared crate or module `two_macros` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `two_macros` --> $DIR/extern-prelude-extern-crate-fail.rs:10:9 | LL | two_macros::m!(); - | ^^^^^^^^^^ use of undeclared crate or module `two_macros` + | ^^^^^^^^^^ use of unresolved module or unlinked crate `two_macros` error: aborting due to 2 previous errors diff --git a/tests/ui/imports/import-from-missing-star-2.stderr b/tests/ui/imports/import-from-missing-star-2.stderr index dd35627c6846..9fe2bdbcfa27 100644 --- a/tests/ui/imports/import-from-missing-star-2.stderr +++ b/tests/ui/imports/import-from-missing-star-2.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `spam` --> $DIR/import-from-missing-star-2.rs:2:9 | LL | use spam::*; - | ^^^^ you might be missing crate `spam` + | ^^^^ use of unresolved module or unlinked crate `spam` | -help: consider importing the `spam` crate +help: you might be missing a crate named `spam`, add it to your project and import it in your code | LL + extern crate spam; | diff --git a/tests/ui/imports/import-from-missing-star-3.stderr b/tests/ui/imports/import-from-missing-star-3.stderr index 1e2412b09597..c0b2e5675d39 100644 --- a/tests/ui/imports/import-from-missing-star-3.stderr +++ b/tests/ui/imports/import-from-missing-star-3.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `spam` --> $DIR/import-from-missing-star-3.rs:2:9 | LL | use spam::*; - | ^^^^ you might be missing crate `spam` + | ^^^^ use of unresolved module or unlinked crate `spam` | -help: consider importing the `spam` crate +help: you might be missing a crate named `spam`, add it to your project and import it in your code | LL + extern crate spam; | @@ -13,9 +13,9 @@ error[E0432]: unresolved import `spam` --> $DIR/import-from-missing-star-3.rs:27:13 | LL | use spam::*; - | ^^^^ you might be missing crate `spam` + | ^^^^ use of unresolved module or unlinked crate `spam` | -help: consider importing the `spam` crate +help: you might be missing a crate named `spam`, add it to your project and import it in your code | LL + extern crate spam; | diff --git a/tests/ui/imports/import-from-missing-star.stderr b/tests/ui/imports/import-from-missing-star.stderr index c9bb9baeb4dd..768e1ea1e2cf 100644 --- a/tests/ui/imports/import-from-missing-star.stderr +++ b/tests/ui/imports/import-from-missing-star.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `spam` --> $DIR/import-from-missing-star.rs:1:5 | LL | use spam::*; - | ^^^^ you might be missing crate `spam` + | ^^^^ use of unresolved module or unlinked crate `spam` | -help: consider importing the `spam` crate +help: you might be missing a crate named `spam`, add it to your project and import it in your code | LL + extern crate spam; | diff --git a/tests/ui/imports/import3.stderr b/tests/ui/imports/import3.stderr index 157b5b635668..7f5811467811 100644 --- a/tests/ui/imports/import3.stderr +++ b/tests/ui/imports/import3.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `main` --> $DIR/import3.rs:2:5 | LL | use main::bar; - | ^^^^ you might be missing crate `main` + | ^^^^ use of unresolved module or unlinked crate `main` | -help: consider importing the `main` crate +help: you might be missing a crate named `main`, add it to your project and import it in your code | LL + extern crate main; | diff --git a/tests/ui/imports/issue-109343.stderr b/tests/ui/imports/issue-109343.stderr index e66528e8df52..e1071e45b924 100644 --- a/tests/ui/imports/issue-109343.stderr +++ b/tests/ui/imports/issue-109343.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `unresolved` --> $DIR/issue-109343.rs:4:9 | LL | pub use unresolved::f; - | ^^^^^^^^^^ you might be missing crate `unresolved` + | ^^^^^^^^^^ use of unresolved module or unlinked crate `unresolved` | -help: consider importing the `unresolved` crate +help: you might be missing a crate named `unresolved`, add it to your project and import it in your code | LL + extern crate unresolved; | diff --git a/tests/ui/imports/issue-1697.rs b/tests/ui/imports/issue-1697.rs index 019237611df0..3d3d4a17d6c1 100644 --- a/tests/ui/imports/issue-1697.rs +++ b/tests/ui/imports/issue-1697.rs @@ -2,7 +2,7 @@ use unresolved::*; //~^ ERROR unresolved import `unresolved` [E0432] -//~| NOTE you might be missing crate `unresolved` -//~| HELP consider importing the `unresolved` crate +//~| NOTE use of unresolved module or unlinked crate `unresolved` +//~| HELP you might be missing a crate named `unresolved` fn main() {} diff --git a/tests/ui/imports/issue-1697.stderr b/tests/ui/imports/issue-1697.stderr index ec0d94bd672f..96e371c64f9e 100644 --- a/tests/ui/imports/issue-1697.stderr +++ b/tests/ui/imports/issue-1697.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `unresolved` --> $DIR/issue-1697.rs:3:5 | LL | use unresolved::*; - | ^^^^^^^^^^ you might be missing crate `unresolved` + | ^^^^^^^^^^ use of unresolved module or unlinked crate `unresolved` | -help: consider importing the `unresolved` crate +help: you might be missing a crate named `unresolved`, add it to your project and import it in your code | LL + extern crate unresolved; | diff --git a/tests/ui/imports/issue-33464.stderr b/tests/ui/imports/issue-33464.stderr index 28fbcee401f9..dba451846758 100644 --- a/tests/ui/imports/issue-33464.stderr +++ b/tests/ui/imports/issue-33464.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `abc` --> $DIR/issue-33464.rs:3:5 | LL | use abc::one_el; - | ^^^ you might be missing crate `abc` + | ^^^ use of unresolved module or unlinked crate `abc` | -help: consider importing the `abc` crate +help: you might be missing a crate named `abc`, add it to your project and import it in your code | LL + extern crate abc; | @@ -13,9 +13,9 @@ error[E0432]: unresolved import `abc` --> $DIR/issue-33464.rs:5:5 | LL | use abc::{a, bbb, cccccc}; - | ^^^ you might be missing crate `abc` + | ^^^ use of unresolved module or unlinked crate `abc` | -help: consider importing the `abc` crate +help: you might be missing a crate named `abc`, add it to your project and import it in your code | LL + extern crate abc; | @@ -24,9 +24,9 @@ error[E0432]: unresolved import `a_very_long_name` --> $DIR/issue-33464.rs:7:5 | LL | use a_very_long_name::{el, el2}; - | ^^^^^^^^^^^^^^^^ you might be missing crate `a_very_long_name` + | ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `a_very_long_name` | -help: consider importing the `a_very_long_name` crate +help: you might be missing a crate named `a_very_long_name`, add it to your project and import it in your code | LL + extern crate a_very_long_name; | diff --git a/tests/ui/imports/issue-36881.stderr b/tests/ui/imports/issue-36881.stderr index 004836e072c5..33d628f40da2 100644 --- a/tests/ui/imports/issue-36881.stderr +++ b/tests/ui/imports/issue-36881.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `issue_36881_aux` --> $DIR/issue-36881.rs:5:9 | LL | use issue_36881_aux::Foo; - | ^^^^^^^^^^^^^^^ you might be missing crate `issue_36881_aux` + | ^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `issue_36881_aux` | -help: consider importing the `issue_36881_aux` crate +help: you might be missing a crate named `issue_36881_aux`, add it to your project and import it in your code | LL + extern crate issue_36881_aux; | diff --git a/tests/ui/imports/issue-37887.stderr b/tests/ui/imports/issue-37887.stderr index cc191a17c293..b83ba273a019 100644 --- a/tests/ui/imports/issue-37887.stderr +++ b/tests/ui/imports/issue-37887.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `test` --> $DIR/issue-37887.rs:3:9 | LL | use test::*; - | ^^^^ you might be missing crate `test` + | ^^^^ use of unresolved module or unlinked crate `test` | -help: consider importing the `test` crate +help: you might be missing a crate named `test`, add it to your project and import it in your code | LL + extern crate test; | diff --git a/tests/ui/imports/issue-53269.stderr b/tests/ui/imports/issue-53269.stderr index d25d85bf46f0..c12fc0f378e8 100644 --- a/tests/ui/imports/issue-53269.stderr +++ b/tests/ui/imports/issue-53269.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `nonexistent_module` --> $DIR/issue-53269.rs:6:9 | LL | use nonexistent_module::mac; - | ^^^^^^^^^^^^^^^^^^ you might be missing crate `nonexistent_module` + | ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `nonexistent_module` | -help: consider importing the `nonexistent_module` crate +help: you might be missing a crate named `nonexistent_module`, add it to your project and import it in your code | LL + extern crate nonexistent_module; | diff --git a/tests/ui/imports/issue-55457.stderr b/tests/ui/imports/issue-55457.stderr index 9c99b6a20de7..472e46caf31e 100644 --- a/tests/ui/imports/issue-55457.stderr +++ b/tests/ui/imports/issue-55457.stderr @@ -11,9 +11,9 @@ error[E0432]: unresolved import `non_existent` --> $DIR/issue-55457.rs:2:5 | LL | use non_existent::non_existent; - | ^^^^^^^^^^^^ you might be missing crate `non_existent` + | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `non_existent` | -help: consider importing the `non_existent` crate +help: you might be missing a crate named `non_existent`, add it to your project and import it in your code | LL + extern crate non_existent; | diff --git a/tests/ui/imports/issue-81413.stderr b/tests/ui/imports/issue-81413.stderr index aa1246c1d2f5..257aca4455c5 100644 --- a/tests/ui/imports/issue-81413.stderr +++ b/tests/ui/imports/issue-81413.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `doesnt_exist` --> $DIR/issue-81413.rs:7:9 | LL | pub use doesnt_exist::*; - | ^^^^^^^^^^^^ you might be missing crate `doesnt_exist` + | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `doesnt_exist` | -help: consider importing the `doesnt_exist` crate +help: you might be missing a crate named `doesnt_exist`, add it to your project and import it in your code | LL + extern crate doesnt_exist; | diff --git a/tests/ui/imports/tool-mod-child.rs b/tests/ui/imports/tool-mod-child.rs index a8249ab01dfc..38bcdfb02494 100644 --- a/tests/ui/imports/tool-mod-child.rs +++ b/tests/ui/imports/tool-mod-child.rs @@ -1,7 +1,7 @@ use clippy::a; //~ ERROR unresolved import `clippy` -use clippy::a::b; //~ ERROR failed to resolve: you might be missing crate `clippy` +use clippy::a::b; //~ ERROR failed to resolve: use of unresolved module or unlinked crate `clippy` use rustdoc::a; //~ ERROR unresolved import `rustdoc` -use rustdoc::a::b; //~ ERROR failed to resolve: you might be missing crate `rustdoc` +use rustdoc::a::b; //~ ERROR failed to resolve: use of unresolved module or unlinked crate `rustdoc` fn main() {} diff --git a/tests/ui/imports/tool-mod-child.stderr b/tests/ui/imports/tool-mod-child.stderr index ec110ccd75db..b0e446fcbf6a 100644 --- a/tests/ui/imports/tool-mod-child.stderr +++ b/tests/ui/imports/tool-mod-child.stderr @@ -1,10 +1,10 @@ -error[E0433]: failed to resolve: you might be missing crate `clippy` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `clippy` --> $DIR/tool-mod-child.rs:2:5 | LL | use clippy::a::b; - | ^^^^^^ you might be missing crate `clippy` + | ^^^^^^ use of unresolved module or unlinked crate `clippy` | -help: consider importing the `clippy` crate +help: you might be missing a crate named `clippy`, add it to your project and import it in your code | LL + extern crate clippy; | @@ -13,20 +13,20 @@ error[E0432]: unresolved import `clippy` --> $DIR/tool-mod-child.rs:1:5 | LL | use clippy::a; - | ^^^^^^ you might be missing crate `clippy` + | ^^^^^^ use of unresolved module or unlinked crate `clippy` | -help: consider importing the `clippy` crate +help: you might be missing a crate named `clippy`, add it to your project and import it in your code | LL + extern crate clippy; | -error[E0433]: failed to resolve: you might be missing crate `rustdoc` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rustdoc` --> $DIR/tool-mod-child.rs:5:5 | LL | use rustdoc::a::b; - | ^^^^^^^ you might be missing crate `rustdoc` + | ^^^^^^^ use of unresolved module or unlinked crate `rustdoc` | -help: consider importing the `rustdoc` crate +help: you might be missing a crate named `rustdoc`, add it to your project and import it in your code | LL + extern crate rustdoc; | @@ -35,9 +35,9 @@ error[E0432]: unresolved import `rustdoc` --> $DIR/tool-mod-child.rs:4:5 | LL | use rustdoc::a; - | ^^^^^^^ you might be missing crate `rustdoc` + | ^^^^^^^ use of unresolved module or unlinked crate `rustdoc` | -help: consider importing the `rustdoc` crate +help: you might be missing a crate named `rustdoc`, add it to your project and import it in your code | LL + extern crate rustdoc; | diff --git a/tests/ui/imports/unresolved-imports-used.stderr b/tests/ui/imports/unresolved-imports-used.stderr index 4bf02ff6e3a9..d39d26852171 100644 --- a/tests/ui/imports/unresolved-imports-used.stderr +++ b/tests/ui/imports/unresolved-imports-used.stderr @@ -14,9 +14,9 @@ error[E0432]: unresolved import `foo` --> $DIR/unresolved-imports-used.rs:11:5 | LL | use foo::bar; - | ^^^ you might be missing crate `foo` + | ^^^ use of unresolved module or unlinked crate `foo` | -help: consider importing the `foo` crate +help: you might be missing a crate named `foo`, add it to your project and import it in your code | LL + extern crate foo; | @@ -25,9 +25,9 @@ error[E0432]: unresolved import `baz` --> $DIR/unresolved-imports-used.rs:12:5 | LL | use baz::*; - | ^^^ you might be missing crate `baz` + | ^^^ use of unresolved module or unlinked crate `baz` | -help: consider importing the `baz` crate +help: you might be missing a crate named `baz`, add it to your project and import it in your code | LL + extern crate baz; | @@ -36,9 +36,9 @@ error[E0432]: unresolved import `foo2` --> $DIR/unresolved-imports-used.rs:14:5 | LL | use foo2::bar2; - | ^^^^ you might be missing crate `foo2` + | ^^^^ use of unresolved module or unlinked crate `foo2` | -help: consider importing the `foo2` crate +help: you might be missing a crate named `foo2`, add it to your project and import it in your code | LL + extern crate foo2; | @@ -47,9 +47,9 @@ error[E0432]: unresolved import `baz2` --> $DIR/unresolved-imports-used.rs:15:5 | LL | use baz2::*; - | ^^^^ you might be missing crate `baz2` + | ^^^^ use of unresolved module or unlinked crate `baz2` | -help: consider importing the `baz2` crate +help: you might be missing a crate named `baz2`, add it to your project and import it in your code | LL + extern crate baz2; | diff --git a/tests/ui/issues/issue-22370.stderr b/tests/ui/issues/issue-22370.stderr index 3dc060963f92..b02d867eb7dd 100644 --- a/tests/ui/issues/issue-22370.stderr +++ b/tests/ui/issues/issue-22370.stderr @@ -7,7 +7,7 @@ LL | LL | fn f(a: &dyn A) {} | ^ | - = note: because of the default `Self` reference, type parameters must be specified on object types + = note: because the parameter default references `Self`, the parameter must be specified on the object type help: set the type parameter to the desired type | LL | fn f(a: &dyn A) {} diff --git a/tests/ui/issues/issue-33293.rs b/tests/ui/issues/issue-33293.rs index a6ef007d51fb..115ae3aad204 100644 --- a/tests/ui/issues/issue-33293.rs +++ b/tests/ui/issues/issue-33293.rs @@ -1,6 +1,6 @@ fn main() { match 0 { aaa::bbb(_) => () - //~^ ERROR failed to resolve: use of undeclared crate or module `aaa` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `aaa` }; } diff --git a/tests/ui/issues/issue-33293.stderr b/tests/ui/issues/issue-33293.stderr index 5badaa153f2b..a82813194d77 100644 --- a/tests/ui/issues/issue-33293.stderr +++ b/tests/ui/issues/issue-33293.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `aaa` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `aaa` --> $DIR/issue-33293.rs:3:9 | LL | aaa::bbb(_) => () - | ^^^ use of undeclared crate or module `aaa` + | ^^^ use of unresolved module or unlinked crate `aaa` + | + = help: you might be missing a crate named `aaa` error: aborting due to 1 previous error diff --git a/tests/ui/keyword/extern/keyword-extern-as-identifier-use.stderr b/tests/ui/keyword/extern/keyword-extern-as-identifier-use.stderr index f23f855c9e8e..dab68258a472 100644 --- a/tests/ui/keyword/extern/keyword-extern-as-identifier-use.stderr +++ b/tests/ui/keyword/extern/keyword-extern-as-identifier-use.stderr @@ -13,9 +13,9 @@ error[E0432]: unresolved import `r#extern` --> $DIR/keyword-extern-as-identifier-use.rs:1:5 | LL | use extern::foo; - | ^^^^^^ you might be missing crate `r#extern` + | ^^^^^^ use of unresolved module or unlinked crate `r#extern` | -help: consider importing the `r#extern` crate +help: you might be missing a crate named `r#extern`, add it to your project and import it in your code | LL + extern crate r#extern; | diff --git a/tests/ui/lint/linker-warning-bin.rs b/tests/ui/lint/linker-warning-bin.rs new file mode 100644 index 000000000000..ead0aa002bf2 --- /dev/null +++ b/tests/ui/lint/linker-warning-bin.rs @@ -0,0 +1,6 @@ +//@ build-pass +#![crate_type = "bin"] +#![warn(unused_attributes)] +#![allow(linker_messages)] + +fn main() {} diff --git a/tests/ui/lint/linker-warning.rs b/tests/ui/lint/linker-warning.rs new file mode 100644 index 000000000000..10e3f56ab959 --- /dev/null +++ b/tests/ui/lint/linker-warning.rs @@ -0,0 +1,9 @@ +//@ check-pass +#![crate_type = "lib"] +#![warn(unused_attributes)] +#![allow(linker_messages)] +//~^ WARNING unused attribute + +#[allow(linker_messages)] +//~^ WARNING should be an inner attribute +fn foo() {} diff --git a/tests/ui/lint/linker-warning.stderr b/tests/ui/lint/linker-warning.stderr new file mode 100644 index 000000000000..3a2c392fd031 --- /dev/null +++ b/tests/ui/lint/linker-warning.stderr @@ -0,0 +1,22 @@ +warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` + --> $DIR/linker-warning.rs:7:1 + | +LL | #[allow(linker_messages)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/linker-warning.rs:3:9 + | +LL | #![warn(unused_attributes)] + | ^^^^^^^^^^^^^^^^^ + +warning: unused attribute + --> $DIR/linker-warning.rs:4:1 + | +LL | #![allow(linker_messages)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove this attribute + | + = note: the `linker_warnings` lint can only be controlled at the root of a crate that needs to be linked + +warning: 2 warnings emitted + diff --git a/tests/ui/macros/builtin-prelude-no-accidents.rs b/tests/ui/macros/builtin-prelude-no-accidents.rs index 01691a82dd77..9bebcb75526f 100644 --- a/tests/ui/macros/builtin-prelude-no-accidents.rs +++ b/tests/ui/macros/builtin-prelude-no-accidents.rs @@ -2,7 +2,7 @@ // because macros with the same names are in prelude. fn main() { - env::current_dir; //~ ERROR use of undeclared crate or module `env` - type A = panic::PanicInfo; //~ ERROR use of undeclared crate or module `panic` - type B = vec::Vec; //~ ERROR use of undeclared crate or module `vec` + env::current_dir; //~ ERROR use of unresolved module or unlinked crate `env` + type A = panic::PanicInfo; //~ ERROR use of unresolved module or unlinked crate `panic` + type B = vec::Vec; //~ ERROR use of unresolved module or unlinked crate `vec` } diff --git a/tests/ui/macros/builtin-prelude-no-accidents.stderr b/tests/ui/macros/builtin-prelude-no-accidents.stderr index c1054230bc9a..8c7095a6aedf 100644 --- a/tests/ui/macros/builtin-prelude-no-accidents.stderr +++ b/tests/ui/macros/builtin-prelude-no-accidents.stderr @@ -1,31 +1,34 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `env` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `env` --> $DIR/builtin-prelude-no-accidents.rs:5:5 | LL | env::current_dir; - | ^^^ use of undeclared crate or module `env` + | ^^^ use of unresolved module or unlinked crate `env` | + = help: you might be missing a crate named `env` help: consider importing this module | LL + use std::env; | -error[E0433]: failed to resolve: use of undeclared crate or module `panic` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `panic` --> $DIR/builtin-prelude-no-accidents.rs:6:14 | LL | type A = panic::PanicInfo; - | ^^^^^ use of undeclared crate or module `panic` + | ^^^^^ use of unresolved module or unlinked crate `panic` | + = help: you might be missing a crate named `panic` help: consider importing this module | LL + use std::panic; | -error[E0433]: failed to resolve: use of undeclared crate or module `vec` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `vec` --> $DIR/builtin-prelude-no-accidents.rs:7:14 | LL | type B = vec::Vec; - | ^^^ use of undeclared crate or module `vec` + | ^^^ use of unresolved module or unlinked crate `vec` | + = help: you might be missing a crate named `vec` help: consider importing this module | LL + use std::vec; diff --git a/tests/ui/macros/macro-inner-attributes.rs b/tests/ui/macros/macro-inner-attributes.rs index 6dbfce213598..a1eb7cd15c4c 100644 --- a/tests/ui/macros/macro-inner-attributes.rs +++ b/tests/ui/macros/macro-inner-attributes.rs @@ -15,6 +15,6 @@ test!(b, #[rustc_dummy] fn main() { a::bar(); - //~^ ERROR failed to resolve: use of undeclared crate or module `a` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `a` b::bar(); } diff --git a/tests/ui/macros/macro-inner-attributes.stderr b/tests/ui/macros/macro-inner-attributes.stderr index b6e10f45e381..947e33b08f4a 100644 --- a/tests/ui/macros/macro-inner-attributes.stderr +++ b/tests/ui/macros/macro-inner-attributes.stderr @@ -1,8 +1,8 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `a` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `a` --> $DIR/macro-inner-attributes.rs:17:5 | LL | a::bar(); - | ^ use of undeclared crate or module `a` + | ^ use of unresolved module or unlinked crate `a` | help: there is a crate or module with a similar name | diff --git a/tests/ui/macros/macro_path_as_generic_bound.stderr b/tests/ui/macros/macro_path_as_generic_bound.stderr index e25ff57e57f3..9fe4ad27aa05 100644 --- a/tests/ui/macros/macro_path_as_generic_bound.stderr +++ b/tests/ui/macros/macro_path_as_generic_bound.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `m` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `m` --> $DIR/macro_path_as_generic_bound.rs:7:6 | LL | foo!(m::m2::A); - | ^ use of undeclared crate or module `m` + | ^ use of unresolved module or unlinked crate `m` + | + = help: you might be missing a crate named `m` error: aborting due to 1 previous error diff --git a/tests/ui/macros/meta-item-absolute-path.stderr b/tests/ui/macros/meta-item-absolute-path.stderr index af56d935284c..8fa5e97899ca 100644 --- a/tests/ui/macros/meta-item-absolute-path.stderr +++ b/tests/ui/macros/meta-item-absolute-path.stderr @@ -1,14 +1,14 @@ -error[E0433]: failed to resolve: you might be missing crate `Absolute` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `Absolute` --> $DIR/meta-item-absolute-path.rs:1:12 | LL | #[derive(::Absolute)] - | ^^^^^^^^ you might be missing crate `Absolute` + | ^^^^^^^^ use of unresolved module or unlinked crate `Absolute` -error[E0433]: failed to resolve: you might be missing crate `Absolute` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `Absolute` --> $DIR/meta-item-absolute-path.rs:1:12 | LL | #[derive(::Absolute)] - | ^^^^^^^^ you might be missing crate `Absolute` + | ^^^^^^^^ use of unresolved module or unlinked crate `Absolute` | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` diff --git a/tests/ui/mir/issue-121103.rs b/tests/ui/mir/issue-121103.rs index e06361a6964c..247c644c5bb1 100644 --- a/tests/ui/mir/issue-121103.rs +++ b/tests/ui/mir/issue-121103.rs @@ -1,3 +1,3 @@ fn main(_: as lib2::TypeFn>::Output) {} -//~^ ERROR failed to resolve: use of undeclared crate or module `lib2` -//~| ERROR failed to resolve: use of undeclared crate or module `lib2` +//~^ ERROR failed to resolve: use of unresolved module or unlinked crate `lib2` +//~| ERROR failed to resolve: use of unresolved module or unlinked crate `lib2` diff --git a/tests/ui/mir/issue-121103.stderr b/tests/ui/mir/issue-121103.stderr index 913eee9e0c50..3565f6f0cdef 100644 --- a/tests/ui/mir/issue-121103.stderr +++ b/tests/ui/mir/issue-121103.stderr @@ -1,14 +1,18 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `lib2` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lib2` --> $DIR/issue-121103.rs:1:38 | LL | fn main(_: as lib2::TypeFn>::Output) {} - | ^^^^ use of undeclared crate or module `lib2` + | ^^^^ use of unresolved module or unlinked crate `lib2` + | + = help: you might be missing a crate named `lib2` -error[E0433]: failed to resolve: use of undeclared crate or module `lib2` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `lib2` --> $DIR/issue-121103.rs:1:13 | LL | fn main(_: as lib2::TypeFn>::Output) {} - | ^^^^ use of undeclared crate or module `lib2` + | ^^^^ use of unresolved module or unlinked crate `lib2` + | + = help: you might be missing a crate named `lib2` error: aborting due to 2 previous errors diff --git a/tests/ui/modules_and_files_visibility/mod_file_disambig.rs b/tests/ui/modules_and_files_visibility/mod_file_disambig.rs index e5958af173b6..1483e3e4630c 100644 --- a/tests/ui/modules_and_files_visibility/mod_file_disambig.rs +++ b/tests/ui/modules_and_files_visibility/mod_file_disambig.rs @@ -2,5 +2,5 @@ mod mod_file_disambig_aux; //~ ERROR file for module `mod_file_disambig_aux` fou fn main() { assert_eq!(mod_file_aux::bar(), 10); - //~^ ERROR failed to resolve: use of undeclared crate or module `mod_file_aux` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `mod_file_aux` } diff --git a/tests/ui/modules_and_files_visibility/mod_file_disambig.stderr b/tests/ui/modules_and_files_visibility/mod_file_disambig.stderr index a2c99396987e..f82d613015f5 100644 --- a/tests/ui/modules_and_files_visibility/mod_file_disambig.stderr +++ b/tests/ui/modules_and_files_visibility/mod_file_disambig.stderr @@ -6,11 +6,13 @@ LL | mod mod_file_disambig_aux; | = help: delete or rename one of them to remove the ambiguity -error[E0433]: failed to resolve: use of undeclared crate or module `mod_file_aux` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mod_file_aux` --> $DIR/mod_file_disambig.rs:4:16 | LL | assert_eq!(mod_file_aux::bar(), 10); - | ^^^^^^^^^^^^ use of undeclared crate or module `mod_file_aux` + | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `mod_file_aux` + | + = help: you might be missing a crate named `mod_file_aux` error: aborting due to 2 previous errors diff --git a/tests/ui/parser/const-param-decl-on-type-instead-of-impl.rs b/tests/ui/parser/const-param-decl-on-type-instead-of-impl.rs index 53e3c6f96050..3876fb41d23f 100644 --- a/tests/ui/parser/const-param-decl-on-type-instead-of-impl.rs +++ b/tests/ui/parser/const-param-decl-on-type-instead-of-impl.rs @@ -11,5 +11,5 @@ fn banana(a: >::BAR) {} fn chaenomeles() { path::path::Struct::() //~^ ERROR unexpected `const` parameter declaration - //~| ERROR failed to resolve: use of undeclared crate or module `path` + //~| ERROR failed to resolve: use of unresolved module or unlinked crate `path` } diff --git a/tests/ui/parser/const-param-decl-on-type-instead-of-impl.stderr b/tests/ui/parser/const-param-decl-on-type-instead-of-impl.stderr index 96885d11ee07..104dbd02685b 100644 --- a/tests/ui/parser/const-param-decl-on-type-instead-of-impl.stderr +++ b/tests/ui/parser/const-param-decl-on-type-instead-of-impl.stderr @@ -21,11 +21,13 @@ error: unexpected `const` parameter declaration LL | path::path::Struct::() | ^^^^^^^^^^^^^^ expected a `const` expression, not a parameter declaration -error[E0433]: failed to resolve: use of undeclared crate or module `path` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `path` --> $DIR/const-param-decl-on-type-instead-of-impl.rs:12:5 | LL | path::path::Struct::() - | ^^^^ use of undeclared crate or module `path` + | ^^^^ use of unresolved module or unlinked crate `path` + | + = help: you might be missing a crate named `path` error[E0412]: cannot find type `T` in this scope --> $DIR/const-param-decl-on-type-instead-of-impl.rs:8:15 diff --git a/tests/ui/parser/dyn-trait-compatibility.rs b/tests/ui/parser/dyn-trait-compatibility.rs index 6341e0532775..717b14c5941f 100644 --- a/tests/ui/parser/dyn-trait-compatibility.rs +++ b/tests/ui/parser/dyn-trait-compatibility.rs @@ -1,7 +1,7 @@ type A0 = dyn; //~^ ERROR cannot find type `dyn` in this scope type A1 = dyn::dyn; -//~^ ERROR use of undeclared crate or module `dyn` +//~^ ERROR use of unresolved module or unlinked crate `dyn` type A2 = dyn; //~^ ERROR cannot find type `dyn` in this scope //~| ERROR cannot find type `dyn` in this scope diff --git a/tests/ui/parser/dyn-trait-compatibility.stderr b/tests/ui/parser/dyn-trait-compatibility.stderr index e34d855a9d4f..08e0a50010a8 100644 --- a/tests/ui/parser/dyn-trait-compatibility.stderr +++ b/tests/ui/parser/dyn-trait-compatibility.stderr @@ -40,11 +40,13 @@ error[E0412]: cannot find type `dyn` in this scope LL | type A3 = dyn<::dyn>; | ^^^ not found in this scope -error[E0433]: failed to resolve: use of undeclared crate or module `dyn` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dyn` --> $DIR/dyn-trait-compatibility.rs:3:11 | LL | type A1 = dyn::dyn; - | ^^^ use of undeclared crate or module `dyn` + | ^^^ use of unresolved module or unlinked crate `dyn` + | + = help: you might be missing a crate named `dyn` error: aborting due to 8 previous errors diff --git a/tests/ui/parser/mod_file_not_exist.rs b/tests/ui/parser/mod_file_not_exist.rs index 80a17163087c..e7727944147e 100644 --- a/tests/ui/parser/mod_file_not_exist.rs +++ b/tests/ui/parser/mod_file_not_exist.rs @@ -5,5 +5,6 @@ mod not_a_real_file; //~ ERROR file not found for module `not_a_real_file` fn main() { assert_eq!(mod_file_aux::bar(), 10); - //~^ ERROR failed to resolve: use of undeclared crate or module `mod_file_aux` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `mod_file_aux` + //~| HELP you might be missing a crate named `mod_file_aux` } diff --git a/tests/ui/parser/mod_file_not_exist.stderr b/tests/ui/parser/mod_file_not_exist.stderr index c2f9d30d9ec4..40041b11c8b8 100644 --- a/tests/ui/parser/mod_file_not_exist.stderr +++ b/tests/ui/parser/mod_file_not_exist.stderr @@ -7,11 +7,13 @@ LL | mod not_a_real_file; = help: to create the module `not_a_real_file`, create file "$DIR/not_a_real_file.rs" or "$DIR/not_a_real_file/mod.rs" = note: if there is a `mod not_a_real_file` elsewhere in the crate already, import it with `use crate::...` instead -error[E0433]: failed to resolve: use of undeclared crate or module `mod_file_aux` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mod_file_aux` --> $DIR/mod_file_not_exist.rs:7:16 | LL | assert_eq!(mod_file_aux::bar(), 10); - | ^^^^^^^^^^^^ use of undeclared crate or module `mod_file_aux` + | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `mod_file_aux` + | + = help: you might be missing a crate named `mod_file_aux` error: aborting due to 2 previous errors diff --git a/tests/ui/parser/mod_file_not_exist_windows.rs b/tests/ui/parser/mod_file_not_exist_windows.rs index 88780c0c24e9..bb74684d9944 100644 --- a/tests/ui/parser/mod_file_not_exist_windows.rs +++ b/tests/ui/parser/mod_file_not_exist_windows.rs @@ -5,5 +5,6 @@ mod not_a_real_file; //~ ERROR file not found for module `not_a_real_file` fn main() { assert_eq!(mod_file_aux::bar(), 10); - //~^ ERROR failed to resolve: use of undeclared crate or module `mod_file_aux` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `mod_file_aux` + //~| HELP you might be missing a crate named `mod_file_aux` } diff --git a/tests/ui/parser/mod_file_not_exist_windows.stderr b/tests/ui/parser/mod_file_not_exist_windows.stderr index 53b09d8ca53a..03c762d0ef2d 100644 --- a/tests/ui/parser/mod_file_not_exist_windows.stderr +++ b/tests/ui/parser/mod_file_not_exist_windows.stderr @@ -7,11 +7,13 @@ LL | mod not_a_real_file; = help: to create the module `not_a_real_file`, create file "$DIR/not_a_real_file.rs" or "$DIR/not_a_real_file/mod.rs" = note: if there is a `mod not_a_real_file` elsewhere in the crate already, import it with `use crate::...` instead -error[E0433]: failed to resolve: use of undeclared crate or module `mod_file_aux` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `mod_file_aux` --> $DIR/mod_file_not_exist_windows.rs:7:16 | LL | assert_eq!(mod_file_aux::bar(), 10); - | ^^^^^^^^^^^^ use of undeclared crate or module `mod_file_aux` + | ^^^^^^^^^^^^ use of unresolved module or unlinked crate `mod_file_aux` + | + = help: you might be missing a crate named `mod_file_aux` error: aborting due to 2 previous errors diff --git a/tests/ui/privacy/restricted/test.rs b/tests/ui/privacy/restricted/test.rs index 3fdfd191b365..b32b9327f07e 100644 --- a/tests/ui/privacy/restricted/test.rs +++ b/tests/ui/privacy/restricted/test.rs @@ -47,6 +47,6 @@ fn main() { } mod pathological { - pub(in bad::path) mod m1 {} //~ ERROR failed to resolve: you might be missing crate `bad` + pub(in bad::path) mod m1 {} //~ ERROR failed to resolve: use of unresolved module or unlinked crate `bad` pub(in foo) mod m2 {} //~ ERROR visibilities can only be restricted to ancestor modules } diff --git a/tests/ui/privacy/restricted/test.stderr b/tests/ui/privacy/restricted/test.stderr index 5deaffbdbf3f..2744b3708a82 100644 --- a/tests/ui/privacy/restricted/test.stderr +++ b/tests/ui/privacy/restricted/test.stderr @@ -1,10 +1,10 @@ -error[E0433]: failed to resolve: you might be missing crate `bad` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `bad` --> $DIR/test.rs:50:12 | LL | pub(in bad::path) mod m1 {} - | ^^^ you might be missing crate `bad` + | ^^^ use of unresolved module or unlinked crate `bad` | -help: consider importing the `bad` crate +help: you might be missing a crate named `bad`, add it to your project and import it in your code | LL + extern crate bad; | diff --git a/tests/ui/resolve/112590-2.stderr b/tests/ui/resolve/112590-2.stderr index 0db20249d27f..b39b44396d73 100644 --- a/tests/ui/resolve/112590-2.stderr +++ b/tests/ui/resolve/112590-2.stderr @@ -14,12 +14,13 @@ LL - let _: Vec = super::foo::baf::baz::MyVec::new(); LL + let _: Vec = MyVec::new(); | -error[E0433]: failed to resolve: use of undeclared crate or module `fox` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `fox` --> $DIR/112590-2.rs:18:27 | LL | let _: Vec = fox::bar::baz::MyVec::new(); - | ^^^ use of undeclared crate or module `fox` + | ^^^ use of unresolved module or unlinked crate `fox` | + = help: you might be missing a crate named `fox` help: consider importing this struct through its public re-export | LL + use foo::bar::baz::MyVec; @@ -30,12 +31,13 @@ LL - let _: Vec = fox::bar::baz::MyVec::new(); LL + let _: Vec = MyVec::new(); | -error[E0433]: failed to resolve: use of undeclared crate or module `vec` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `vec` --> $DIR/112590-2.rs:24:15 | LL | type _B = vec::Vec::; - | ^^^ use of undeclared crate or module `vec` + | ^^^ use of unresolved module or unlinked crate `vec` | + = help: you might be missing a crate named `vec` help: consider importing this module | LL + use std::vec; @@ -57,14 +59,16 @@ LL - let _t = std::sync_error::atomic::AtomicBool::new(true); LL + let _t = AtomicBool::new(true); | -error[E0433]: failed to resolve: use of undeclared crate or module `vec` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `vec` --> $DIR/112590-2.rs:23:24 | LL | let _t: Vec = vec::new(); | ^^^ | | - | use of undeclared crate or module `vec` + | use of unresolved module or unlinked crate `vec` | help: a struct with a similar name exists (notice the capitalization): `Vec` + | + = help: you might be missing a crate named `vec` error: aborting due to 5 previous errors diff --git a/tests/ui/resolve/bad-module.rs b/tests/ui/resolve/bad-module.rs index b23e97c2cf6b..9fe06ab0f52e 100644 --- a/tests/ui/resolve/bad-module.rs +++ b/tests/ui/resolve/bad-module.rs @@ -1,7 +1,7 @@ fn main() { let foo = thing::len(Vec::new()); - //~^ ERROR failed to resolve: use of undeclared crate or module `thing` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `thing` let foo = foo::bar::baz(); - //~^ ERROR failed to resolve: use of undeclared crate or module `foo` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `foo` } diff --git a/tests/ui/resolve/bad-module.stderr b/tests/ui/resolve/bad-module.stderr index 558760c6793a..0f597e126fdc 100644 --- a/tests/ui/resolve/bad-module.stderr +++ b/tests/ui/resolve/bad-module.stderr @@ -1,14 +1,18 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `foo` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `foo` --> $DIR/bad-module.rs:5:15 | LL | let foo = foo::bar::baz(); - | ^^^ use of undeclared crate or module `foo` + | ^^^ use of unresolved module or unlinked crate `foo` + | + = help: you might be missing a crate named `foo` -error[E0433]: failed to resolve: use of undeclared crate or module `thing` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `thing` --> $DIR/bad-module.rs:2:15 | LL | let foo = thing::len(Vec::new()); - | ^^^^^ use of undeclared crate or module `thing` + | ^^^^^ use of unresolved module or unlinked crate `thing` + | + = help: you might be missing a crate named `thing` error: aborting due to 2 previous errors diff --git a/tests/ui/resolve/editions-crate-root-2015.rs b/tests/ui/resolve/editions-crate-root-2015.rs index 869f4c82c8b7..a2e19bfdf1c5 100644 --- a/tests/ui/resolve/editions-crate-root-2015.rs +++ b/tests/ui/resolve/editions-crate-root-2015.rs @@ -2,10 +2,10 @@ mod inner { fn global_inner(_: ::nonexistant::Foo) { - //~^ ERROR failed to resolve: you might be missing crate `nonexistant` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `nonexistant` } fn crate_inner(_: crate::nonexistant::Foo) { - //~^ ERROR failed to resolve: you might be missing crate `nonexistant` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `nonexistant` } fn bare_global(_: ::nonexistant) { diff --git a/tests/ui/resolve/editions-crate-root-2015.stderr b/tests/ui/resolve/editions-crate-root-2015.stderr index 7a842aca0fd2..3d203c8ed967 100644 --- a/tests/ui/resolve/editions-crate-root-2015.stderr +++ b/tests/ui/resolve/editions-crate-root-2015.stderr @@ -1,21 +1,21 @@ -error[E0433]: failed to resolve: you might be missing crate `nonexistant` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nonexistant` --> $DIR/editions-crate-root-2015.rs:4:26 | LL | fn global_inner(_: ::nonexistant::Foo) { - | ^^^^^^^^^^^ you might be missing crate `nonexistant` + | ^^^^^^^^^^^ use of unresolved module or unlinked crate `nonexistant` | -help: consider importing the `nonexistant` crate +help: you might be missing a crate named `nonexistant`, add it to your project and import it in your code | LL + extern crate nonexistant; | -error[E0433]: failed to resolve: you might be missing crate `nonexistant` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nonexistant` --> $DIR/editions-crate-root-2015.rs:7:30 | LL | fn crate_inner(_: crate::nonexistant::Foo) { - | ^^^^^^^^^^^ you might be missing crate `nonexistant` + | ^^^^^^^^^^^ use of unresolved module or unlinked crate `nonexistant` | -help: consider importing the `nonexistant` crate +help: you might be missing a crate named `nonexistant`, add it to your project and import it in your code | LL + extern crate nonexistant; | diff --git a/tests/ui/resolve/export-fully-qualified-2018.rs b/tests/ui/resolve/export-fully-qualified-2018.rs index 26e3044d8df0..ce78b64bf256 100644 --- a/tests/ui/resolve/export-fully-qualified-2018.rs +++ b/tests/ui/resolve/export-fully-qualified-2018.rs @@ -5,7 +5,7 @@ // want to change eventually. mod foo { - pub fn bar() { foo::baz(); } //~ ERROR failed to resolve: use of undeclared crate or module `foo` + pub fn bar() { foo::baz(); } //~ ERROR failed to resolve: use of unresolved module or unlinked crate `foo` fn baz() { } } diff --git a/tests/ui/resolve/export-fully-qualified-2018.stderr b/tests/ui/resolve/export-fully-qualified-2018.stderr index 378d9832a657..a985669b8b41 100644 --- a/tests/ui/resolve/export-fully-qualified-2018.stderr +++ b/tests/ui/resolve/export-fully-qualified-2018.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `foo` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `foo` --> $DIR/export-fully-qualified-2018.rs:8:20 | LL | pub fn bar() { foo::baz(); } - | ^^^ use of undeclared crate or module `foo` + | ^^^ use of unresolved module or unlinked crate `foo` + | + = help: you might be missing a crate named `foo` error: aborting due to 1 previous error diff --git a/tests/ui/resolve/export-fully-qualified.rs b/tests/ui/resolve/export-fully-qualified.rs index 6de33b7e1915..0be3b81ebb8f 100644 --- a/tests/ui/resolve/export-fully-qualified.rs +++ b/tests/ui/resolve/export-fully-qualified.rs @@ -5,7 +5,7 @@ // want to change eventually. mod foo { - pub fn bar() { foo::baz(); } //~ ERROR failed to resolve: use of undeclared crate or module `foo` + pub fn bar() { foo::baz(); } //~ ERROR failed to resolve: use of unresolved module or unlinked crate `foo` fn baz() { } } diff --git a/tests/ui/resolve/export-fully-qualified.stderr b/tests/ui/resolve/export-fully-qualified.stderr index 869149d8d3c6..e65483e57eb5 100644 --- a/tests/ui/resolve/export-fully-qualified.stderr +++ b/tests/ui/resolve/export-fully-qualified.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `foo` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `foo` --> $DIR/export-fully-qualified.rs:8:20 | LL | pub fn bar() { foo::baz(); } - | ^^^ use of undeclared crate or module `foo` + | ^^^ use of unresolved module or unlinked crate `foo` + | + = help: you might be missing a crate named `foo` error: aborting due to 1 previous error diff --git a/tests/ui/resolve/extern-prelude-fail.stderr b/tests/ui/resolve/extern-prelude-fail.stderr index 77c10f5f995b..199a31244c06 100644 --- a/tests/ui/resolve/extern-prelude-fail.stderr +++ b/tests/ui/resolve/extern-prelude-fail.stderr @@ -2,20 +2,20 @@ error[E0432]: unresolved import `extern_prelude` --> $DIR/extern-prelude-fail.rs:7:9 | LL | use extern_prelude::S; - | ^^^^^^^^^^^^^^ you might be missing crate `extern_prelude` + | ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `extern_prelude` | -help: consider importing the `extern_prelude` crate +help: you might be missing a crate named `extern_prelude`, add it to your project and import it in your code | LL + extern crate extern_prelude; | -error[E0433]: failed to resolve: you might be missing crate `extern_prelude` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `extern_prelude` --> $DIR/extern-prelude-fail.rs:8:15 | LL | let s = ::extern_prelude::S; - | ^^^^^^^^^^^^^^ you might be missing crate `extern_prelude` + | ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `extern_prelude` | -help: consider importing the `extern_prelude` crate +help: you might be missing a crate named `extern_prelude`, add it to your project and import it in your code | LL + extern crate extern_prelude; | diff --git a/tests/ui/resolve/issue-101749-2.rs b/tests/ui/resolve/issue-101749-2.rs index 4d3d469447c2..636ff07c71ce 100644 --- a/tests/ui/resolve/issue-101749-2.rs +++ b/tests/ui/resolve/issue-101749-2.rs @@ -12,5 +12,5 @@ fn main() { let rect = Rectangle::new(3, 4); // `area` is not implemented for `Rectangle`, so this should not suggest let _ = rect::area(); - //~^ ERROR failed to resolve: use of undeclared crate or module `rect` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `rect` } diff --git a/tests/ui/resolve/issue-101749-2.stderr b/tests/ui/resolve/issue-101749-2.stderr index 300aaf26cb7d..96a20b4bf5a0 100644 --- a/tests/ui/resolve/issue-101749-2.stderr +++ b/tests/ui/resolve/issue-101749-2.stderr @@ -1,8 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `rect` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rect` --> $DIR/issue-101749-2.rs:14:13 | LL | let _ = rect::area(); - | ^^^^ use of undeclared crate or module `rect` + | ^^^^ use of unresolved module or unlinked crate `rect` + | + = help: you might be missing a crate named `rect` error: aborting due to 1 previous error diff --git a/tests/ui/resolve/issue-101749.fixed b/tests/ui/resolve/issue-101749.fixed index 97815793d298..3244ad7a0313 100644 --- a/tests/ui/resolve/issue-101749.fixed +++ b/tests/ui/resolve/issue-101749.fixed @@ -15,5 +15,5 @@ impl Rectangle { fn main() { let rect = Rectangle::new(3, 4); let _ = rect.area(); - //~^ ERROR failed to resolve: use of undeclared crate or module `rect` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `rect` } diff --git a/tests/ui/resolve/issue-101749.rs b/tests/ui/resolve/issue-101749.rs index 994fc86778e0..c977df41d2f5 100644 --- a/tests/ui/resolve/issue-101749.rs +++ b/tests/ui/resolve/issue-101749.rs @@ -15,5 +15,5 @@ impl Rectangle { fn main() { let rect = Rectangle::new(3, 4); let _ = rect::area(); - //~^ ERROR failed to resolve: use of undeclared crate or module `rect` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `rect` } diff --git a/tests/ui/resolve/issue-101749.stderr b/tests/ui/resolve/issue-101749.stderr index 05515b1b4605..fedbf182ee8c 100644 --- a/tests/ui/resolve/issue-101749.stderr +++ b/tests/ui/resolve/issue-101749.stderr @@ -1,9 +1,10 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `rect` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rect` --> $DIR/issue-101749.rs:17:13 | LL | let _ = rect::area(); - | ^^^^ use of undeclared crate or module `rect` + | ^^^^ use of unresolved module or unlinked crate `rect` | + = help: you might be missing a crate named `rect` help: you may have meant to call an instance method | LL | let _ = rect.area(); diff --git a/tests/ui/resolve/issue-82865.rs b/tests/ui/resolve/issue-82865.rs index 29a898906e96..4dc12f2f5895 100644 --- a/tests/ui/resolve/issue-82865.rs +++ b/tests/ui/resolve/issue-82865.rs @@ -2,7 +2,7 @@ #![feature(decl_macro)] -use x::y::z; //~ ERROR: failed to resolve: you might be missing crate `x` +use x::y::z; //~ ERROR: failed to resolve: use of unresolved module or unlinked crate `x` macro mac () { Box::z //~ ERROR: no function or associated item diff --git a/tests/ui/resolve/issue-82865.stderr b/tests/ui/resolve/issue-82865.stderr index bc7e0f079817..090085460b07 100644 --- a/tests/ui/resolve/issue-82865.stderr +++ b/tests/ui/resolve/issue-82865.stderr @@ -1,10 +1,10 @@ -error[E0433]: failed to resolve: you might be missing crate `x` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `x` --> $DIR/issue-82865.rs:5:5 | LL | use x::y::z; - | ^ you might be missing crate `x` + | ^ use of unresolved module or unlinked crate `x` | -help: consider importing the `x` crate +help: you might be missing a crate named `x`, add it to your project and import it in your code | LL + extern crate x; | diff --git a/tests/ui/resolve/resolve-bad-visibility.stderr b/tests/ui/resolve/resolve-bad-visibility.stderr index 281e5afb2230..ac7e1c735b1f 100644 --- a/tests/ui/resolve/resolve-bad-visibility.stderr +++ b/tests/ui/resolve/resolve-bad-visibility.stderr @@ -16,24 +16,24 @@ error[E0742]: visibilities can only be restricted to ancestor modules LL | pub(in std::vec) struct F; | ^^^^^^^^ -error[E0433]: failed to resolve: you might be missing crate `nonexistent` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `nonexistent` --> $DIR/resolve-bad-visibility.rs:7:8 | LL | pub(in nonexistent) struct G; - | ^^^^^^^^^^^ you might be missing crate `nonexistent` + | ^^^^^^^^^^^ use of unresolved module or unlinked crate `nonexistent` | -help: consider importing the `nonexistent` crate +help: you might be missing a crate named `nonexistent`, add it to your project and import it in your code | LL + extern crate nonexistent; | -error[E0433]: failed to resolve: you might be missing crate `too_soon` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `too_soon` --> $DIR/resolve-bad-visibility.rs:8:8 | LL | pub(in too_soon) struct H; - | ^^^^^^^^ you might be missing crate `too_soon` + | ^^^^^^^^ use of unresolved module or unlinked crate `too_soon` | -help: consider importing the `too_soon` crate +help: you might be missing a crate named `too_soon`, add it to your project and import it in your code | LL + extern crate too_soon; | diff --git a/tests/ui/resolve/typo-suggestion-mistyped-in-path.rs b/tests/ui/resolve/typo-suggestion-mistyped-in-path.rs index 3ce17a14f146..188e2ca7f113 100644 --- a/tests/ui/resolve/typo-suggestion-mistyped-in-path.rs +++ b/tests/ui/resolve/typo-suggestion-mistyped-in-path.rs @@ -29,8 +29,8 @@ fn main() { //~| NOTE use of undeclared type `Struc` modul::foo(); - //~^ ERROR failed to resolve: use of undeclared crate or module `modul` - //~| NOTE use of undeclared crate or module `modul` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `modul` + //~| NOTE use of unresolved module or unlinked crate `modul` module::Struc::foo(); //~^ ERROR failed to resolve: could not find `Struc` in `module` diff --git a/tests/ui/resolve/typo-suggestion-mistyped-in-path.stderr b/tests/ui/resolve/typo-suggestion-mistyped-in-path.stderr index f4fb7fd955f2..3ae134e43bc1 100644 --- a/tests/ui/resolve/typo-suggestion-mistyped-in-path.stderr +++ b/tests/ui/resolve/typo-suggestion-mistyped-in-path.stderr @@ -30,11 +30,11 @@ LL | Struc::foo(); | use of undeclared type `Struc` | help: a struct with a similar name exists: `Struct` -error[E0433]: failed to resolve: use of undeclared crate or module `modul` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `modul` --> $DIR/typo-suggestion-mistyped-in-path.rs:31:5 | LL | modul::foo(); - | ^^^^^ use of undeclared crate or module `modul` + | ^^^^^ use of unresolved module or unlinked crate `modul` | help: there is a crate or module with a similar name | diff --git a/tests/ui/rfcs/rfc-2126-extern-absolute-paths/non-existent-1.stderr b/tests/ui/rfcs/rfc-2126-extern-absolute-paths/non-existent-1.stderr index 1047dbe1063e..106268ac2c7a 100644 --- a/tests/ui/rfcs/rfc-2126-extern-absolute-paths/non-existent-1.stderr +++ b/tests/ui/rfcs/rfc-2126-extern-absolute-paths/non-existent-1.stderr @@ -2,7 +2,9 @@ error[E0432]: unresolved import `xcrate` --> $DIR/non-existent-1.rs:3:5 | LL | use xcrate::S; - | ^^^^^^ use of undeclared crate or module `xcrate` + | ^^^^^^ use of unresolved module or unlinked crate `xcrate` + | + = help: you might be missing a crate named `xcrate` error: aborting due to 1 previous error diff --git a/tests/ui/rust-2018/unresolved-asterisk-imports.stderr b/tests/ui/rust-2018/unresolved-asterisk-imports.stderr index b6bf109824f7..049d52893d4b 100644 --- a/tests/ui/rust-2018/unresolved-asterisk-imports.stderr +++ b/tests/ui/rust-2018/unresolved-asterisk-imports.stderr @@ -2,7 +2,9 @@ error[E0432]: unresolved import `not_existing_crate` --> $DIR/unresolved-asterisk-imports.rs:3:5 | LL | use not_existing_crate::*; - | ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `not_existing_crate` + | ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `not_existing_crate` + | + = help: you might be missing a crate named `not_existing_crate` error: aborting due to 1 previous error diff --git a/tests/ui/suggestions/crate-or-module-typo.rs b/tests/ui/suggestions/crate-or-module-typo.rs index dbc0605c76bc..393fc7a1f72e 100644 --- a/tests/ui/suggestions/crate-or-module-typo.rs +++ b/tests/ui/suggestions/crate-or-module-typo.rs @@ -1,6 +1,6 @@ //@ edition:2018 -use st::cell::Cell; //~ ERROR failed to resolve: use of undeclared crate or module `st` +use st::cell::Cell; //~ ERROR failed to resolve: use of unresolved module or unlinked crate `st` mod bar { pub fn bar() { bar::baz(); } //~ ERROR failed to resolve: function `bar` is not a crate or module @@ -11,7 +11,7 @@ mod bar { use bas::bar; //~ ERROR unresolved import `bas` struct Foo { - bar: st::cell::Cell //~ ERROR failed to resolve: use of undeclared crate or module `st` + bar: st::cell::Cell //~ ERROR failed to resolve: use of unresolved module or unlinked crate `st` } fn main() {} diff --git a/tests/ui/suggestions/crate-or-module-typo.stderr b/tests/ui/suggestions/crate-or-module-typo.stderr index 084d0408a8e7..75aa6e614b64 100644 --- a/tests/ui/suggestions/crate-or-module-typo.stderr +++ b/tests/ui/suggestions/crate-or-module-typo.stderr @@ -1,8 +1,8 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `st` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `st` --> $DIR/crate-or-module-typo.rs:3:5 | LL | use st::cell::Cell; - | ^^ use of undeclared crate or module `st` + | ^^ use of unresolved module or unlinked crate `st` | help: there is a crate or module with a similar name | @@ -13,18 +13,18 @@ error[E0432]: unresolved import `bas` --> $DIR/crate-or-module-typo.rs:11:5 | LL | use bas::bar; - | ^^^ use of undeclared crate or module `bas` + | ^^^ use of unresolved module or unlinked crate `bas` | help: there is a crate or module with a similar name | LL | use bar::bar; | ~~~ -error[E0433]: failed to resolve: use of undeclared crate or module `st` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `st` --> $DIR/crate-or-module-typo.rs:14:10 | LL | bar: st::cell::Cell - | ^^ use of undeclared crate or module `st` + | ^^ use of unresolved module or unlinked crate `st` | help: there is a crate or module with a similar name | diff --git a/tests/ui/suggestions/issue-112590-suggest-import.rs b/tests/ui/suggestions/issue-112590-suggest-import.rs index 0938814c5598..a7868b719190 100644 --- a/tests/ui/suggestions/issue-112590-suggest-import.rs +++ b/tests/ui/suggestions/issue-112590-suggest-import.rs @@ -1,8 +1,8 @@ pub struct S; -impl fmt::Debug for S { //~ ERROR failed to resolve: use of undeclared crate or module `fmt` - fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { //~ ERROR failed to resolve: use of undeclared crate or module `fmt` - //~^ ERROR failed to resolve: use of undeclared crate or module `fmt` +impl fmt::Debug for S { //~ ERROR failed to resolve: use of unresolved module or unlinked crate `fmt` + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { //~ ERROR failed to resolve: use of unresolved module or unlinked crate `fmt` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `fmt` Ok(()) } } diff --git a/tests/ui/suggestions/issue-112590-suggest-import.stderr b/tests/ui/suggestions/issue-112590-suggest-import.stderr index aeac18c16f04..bbbd2c481c1c 100644 --- a/tests/ui/suggestions/issue-112590-suggest-import.stderr +++ b/tests/ui/suggestions/issue-112590-suggest-import.stderr @@ -1,31 +1,34 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `fmt` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `fmt` --> $DIR/issue-112590-suggest-import.rs:3:6 | LL | impl fmt::Debug for S { - | ^^^ use of undeclared crate or module `fmt` + | ^^^ use of unresolved module or unlinked crate `fmt` | + = help: you might be missing a crate named `fmt` help: consider importing this module | LL + use std::fmt; | -error[E0433]: failed to resolve: use of undeclared crate or module `fmt` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `fmt` --> $DIR/issue-112590-suggest-import.rs:4:28 | LL | fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { - | ^^^ use of undeclared crate or module `fmt` + | ^^^ use of unresolved module or unlinked crate `fmt` | + = help: you might be missing a crate named `fmt` help: consider importing this module | LL + use std::fmt; | -error[E0433]: failed to resolve: use of undeclared crate or module `fmt` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `fmt` --> $DIR/issue-112590-suggest-import.rs:4:51 | LL | fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { - | ^^^ use of undeclared crate or module `fmt` + | ^^^ use of unresolved module or unlinked crate `fmt` | + = help: you might be missing a crate named `fmt` help: consider importing this module | LL + use std::fmt; diff --git a/tests/ui/suggestions/undeclared-module-alloc.rs b/tests/ui/suggestions/undeclared-module-alloc.rs index e5f22369b941..a0bddc94471c 100644 --- a/tests/ui/suggestions/undeclared-module-alloc.rs +++ b/tests/ui/suggestions/undeclared-module-alloc.rs @@ -1,5 +1,5 @@ //@ edition:2018 -use alloc::rc::Rc; //~ ERROR failed to resolve: use of undeclared crate or module `alloc` +use alloc::rc::Rc; //~ ERROR failed to resolve: use of unresolved module or unlinked crate `alloc` fn main() {} diff --git a/tests/ui/suggestions/undeclared-module-alloc.stderr b/tests/ui/suggestions/undeclared-module-alloc.stderr index a439546492b5..00e498aa9ba9 100644 --- a/tests/ui/suggestions/undeclared-module-alloc.stderr +++ b/tests/ui/suggestions/undeclared-module-alloc.stderr @@ -1,8 +1,8 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `alloc` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `alloc` --> $DIR/undeclared-module-alloc.rs:3:5 | LL | use alloc::rc::Rc; - | ^^^^^ use of undeclared crate or module `alloc` + | ^^^^^ use of unresolved module or unlinked crate `alloc` | = help: add `extern crate alloc` to use the `alloc` crate diff --git a/tests/ui/tool-attributes/unknown-tool-name.rs b/tests/ui/tool-attributes/unknown-tool-name.rs index 73fca61c65d1..ba21aecc230a 100644 --- a/tests/ui/tool-attributes/unknown-tool-name.rs +++ b/tests/ui/tool-attributes/unknown-tool-name.rs @@ -1,2 +1,2 @@ -#[foo::bar] //~ ERROR failed to resolve: use of undeclared crate or module `foo` +#[foo::bar] //~ ERROR failed to resolve: use of unresolved module or unlinked crate `foo` fn main() {} diff --git a/tests/ui/tool-attributes/unknown-tool-name.stderr b/tests/ui/tool-attributes/unknown-tool-name.stderr index 361d359a10e4..9b636fcb0bdd 100644 --- a/tests/ui/tool-attributes/unknown-tool-name.stderr +++ b/tests/ui/tool-attributes/unknown-tool-name.stderr @@ -1,8 +1,8 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `foo` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `foo` --> $DIR/unknown-tool-name.rs:1:3 | LL | #[foo::bar] - | ^^^ use of undeclared crate or module `foo` + | ^^^ use of unresolved module or unlinked crate `foo` error: aborting due to 1 previous error diff --git a/tests/ui/traits/const-traits/staged-api.stderr b/tests/ui/traits/const-traits/staged-api.stderr index 29aafa4e0f32..acc93f747a8e 100644 --- a/tests/ui/traits/const-traits/staged-api.stderr +++ b/tests/ui/traits/const-traits/staged-api.stderr @@ -106,7 +106,7 @@ error: const function that might be (indirectly) exposed to stable cannot use `# LL | const_context_not_const_stable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unsafe features + = help: mark the callee as `#[rustc_const_stable_indirect]` if it does not itself require any unstable features help: if the caller is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do) | LL + #[rustc_const_unstable(feature = "...", issue = "...")] diff --git a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs index 6dcfc754448b..6fcd67b4950f 100644 --- a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs +++ b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.rs @@ -10,6 +10,7 @@ fn w<'a, T: 'a, F: Fn(&'a T)>() { let b: &dyn FromResidual = &(); //~^ ERROR: the trait `FromResidual` is not dyn compatible //~| ERROR: the trait `FromResidual` is not dyn compatible + //~| ERROR the type parameter `R` must be explicitly specified } fn main() {} diff --git a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr index 7040c067f5c2..ae3762704c6a 100644 --- a/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr +++ b/tests/ui/traits/object/canonicalize-fresh-infer-vars-issue-103626.stderr @@ -1,3 +1,18 @@ +error[E0393]: the type parameter `R` must be explicitly specified + --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:17 + | +LL | trait FromResidual::Residual> { + | ----------------------------------------------- type parameter `R` must be specified for this +... +LL | let b: &dyn FromResidual = &(); + | ^^^^^^^^^^^^ + | + = note: because the parameter default references `Self`, the parameter must be specified on the object type +help: set the type parameter to the desired type + | +LL | let b: &dyn FromResidual = &(); + | +++ + error[E0038]: the trait `FromResidual` is not dyn compatible --> $DIR/canonicalize-fresh-infer-vars-issue-103626.rs:10:32 | @@ -45,6 +60,7 @@ help: alternatively, consider constraining `from_residual` so it does not apply LL | fn from_residual(residual: R) -> Self where Self: Sized; | +++++++++++++++++ -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors -For more information about this error, try `rustc --explain E0038`. +Some errors have detailed explanations: E0038, E0393. +For more information about an error, try `rustc --explain E0038`. diff --git a/tests/ui/traits/unspecified-self-in-trait-ref.stderr b/tests/ui/traits/unspecified-self-in-trait-ref.stderr index 22dceadc10de..6f5ae786de6b 100644 --- a/tests/ui/traits/unspecified-self-in-trait-ref.stderr +++ b/tests/ui/traits/unspecified-self-in-trait-ref.stderr @@ -97,7 +97,7 @@ LL | pub trait Bar { LL | let e = Bar::::lol(); | ^^^^^^^^^^^^ missing reference to `A` | - = note: because of the default `Self` reference, type parameters must be specified on object types + = note: because the parameter default references `Self`, the parameter must be specified on the object type error: aborting due to 5 previous errors; 5 warnings emitted diff --git a/tests/ui/type/type-parameter-defaults-referencing-Self.stderr b/tests/ui/type/type-parameter-defaults-referencing-Self.stderr index c81405f03f8f..23f10c9262c7 100644 --- a/tests/ui/type/type-parameter-defaults-referencing-Self.stderr +++ b/tests/ui/type/type-parameter-defaults-referencing-Self.stderr @@ -7,7 +7,7 @@ LL | trait Foo { LL | fn foo(x: &dyn Foo) { } | ^^^ | - = note: because of the default `Self` reference, type parameters must be specified on object types + = note: because the parameter default references `Self`, the parameter must be specified on the object type help: set the type parameter to the desired type | LL | fn foo(x: &dyn Foo) { } diff --git a/tests/ui/typeck/issue-120856.rs b/tests/ui/typeck/issue-120856.rs index e435a0f9d8e8..51dd63a6f89d 100644 --- a/tests/ui/typeck/issue-120856.rs +++ b/tests/ui/typeck/issue-120856.rs @@ -1,5 +1,5 @@ pub type Archived = ::Archived; -//~^ ERROR failed to resolve: use of undeclared crate or module `m` -//~| ERROR failed to resolve: use of undeclared crate or module `n` +//~^ ERROR failed to resolve: use of unresolved module or unlinked crate `m` +//~| ERROR failed to resolve: use of unresolved module or unlinked crate `n` fn main() {} diff --git a/tests/ui/typeck/issue-120856.stderr b/tests/ui/typeck/issue-120856.stderr index 1fc8b2004735..e366744409f4 100644 --- a/tests/ui/typeck/issue-120856.stderr +++ b/tests/ui/typeck/issue-120856.stderr @@ -1,20 +1,24 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `n` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `n` --> $DIR/issue-120856.rs:1:37 | LL | pub type Archived = ::Archived; | ^ | | - | use of undeclared crate or module `n` + | use of unresolved module or unlinked crate `n` | help: a trait with a similar name exists: `Fn` + | + = help: you might be missing a crate named `n` -error[E0433]: failed to resolve: use of undeclared crate or module `m` +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `m` --> $DIR/issue-120856.rs:1:25 | LL | pub type Archived = ::Archived; | ^ | | - | use of undeclared crate or module `m` + | use of unresolved module or unlinked crate `m` | help: a type parameter with a similar name exists: `T` + | + = help: you might be missing a crate named `m` error: aborting due to 2 previous errors diff --git a/tests/ui/typeck/path-to-method-sugg-unresolved-expr.cargo-invoked.stderr b/tests/ui/typeck/path-to-method-sugg-unresolved-expr.cargo-invoked.stderr new file mode 100644 index 000000000000..8a3b87b0d11a --- /dev/null +++ b/tests/ui/typeck/path-to-method-sugg-unresolved-expr.cargo-invoked.stderr @@ -0,0 +1,11 @@ +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `page_size` + --> $DIR/path-to-method-sugg-unresolved-expr.rs:5:21 + | +LL | let page_size = page_size::get(); + | ^^^^^^^^^ use of unresolved module or unlinked crate `page_size` + | + = help: if you wanted to use a crate named `page_size`, use `cargo add page_size` to add it to your `Cargo.toml` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0433`. diff --git a/tests/ui/typeck/path-to-method-sugg-unresolved-expr.only-rustc.stderr b/tests/ui/typeck/path-to-method-sugg-unresolved-expr.only-rustc.stderr new file mode 100644 index 000000000000..34ed5c44d931 --- /dev/null +++ b/tests/ui/typeck/path-to-method-sugg-unresolved-expr.only-rustc.stderr @@ -0,0 +1,11 @@ +error[E0433]: failed to resolve: use of unresolved module or unlinked crate `page_size` + --> $DIR/path-to-method-sugg-unresolved-expr.rs:5:21 + | +LL | let page_size = page_size::get(); + | ^^^^^^^^^ use of unresolved module or unlinked crate `page_size` + | + = help: you might be missing a crate named `page_size` + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0433`. diff --git a/tests/ui/typeck/path-to-method-sugg-unresolved-expr.rs b/tests/ui/typeck/path-to-method-sugg-unresolved-expr.rs index fb56b394493d..7b4f62fea0c8 100644 --- a/tests/ui/typeck/path-to-method-sugg-unresolved-expr.rs +++ b/tests/ui/typeck/path-to-method-sugg-unresolved-expr.rs @@ -1,4 +1,10 @@ +//@ revisions: only-rustc cargo-invoked +//@[only-rustc] unset-rustc-env:CARGO_CRATE_NAME +//@[cargo-invoked] rustc-env:CARGO_CRATE_NAME=foo fn main() { let page_size = page_size::get(); - //~^ ERROR failed to resolve: use of undeclared crate or module `page_size` + //~^ ERROR failed to resolve: use of unresolved module or unlinked crate `page_size` + //~| NOTE use of unresolved module or unlinked crate `page_size` + //@[cargo-invoked]~^^^ HELP if you wanted to use a crate named `page_size`, use `cargo add + //@[only-rustc]~^^^^ HELP you might be missing a crate named `page_size` } diff --git a/tests/ui/typeck/path-to-method-sugg-unresolved-expr.stderr b/tests/ui/typeck/path-to-method-sugg-unresolved-expr.stderr deleted file mode 100644 index 3e03c17f3b1c..000000000000 --- a/tests/ui/typeck/path-to-method-sugg-unresolved-expr.stderr +++ /dev/null @@ -1,9 +0,0 @@ -error[E0433]: failed to resolve: use of undeclared crate or module `page_size` - --> $DIR/path-to-method-sugg-unresolved-expr.rs:2:21 - | -LL | let page_size = page_size::get(); - | ^^^^^^^^^ use of undeclared crate or module `page_size` - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0433`. diff --git a/tests/ui/unresolved/unresolved-asterisk-imports.stderr b/tests/ui/unresolved/unresolved-asterisk-imports.stderr index ed01f3fdbea4..e84f1975112b 100644 --- a/tests/ui/unresolved/unresolved-asterisk-imports.stderr +++ b/tests/ui/unresolved/unresolved-asterisk-imports.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `not_existing_crate` --> $DIR/unresolved-asterisk-imports.rs:1:5 | LL | use not_existing_crate::*; - | ^^^^^^^^^^^^^^^^^^ you might be missing crate `not_existing_crate` + | ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `not_existing_crate` | -help: consider importing the `not_existing_crate` crate +help: you might be missing a crate named `not_existing_crate`, add it to your project and import it in your code | LL + extern crate not_existing_crate; | diff --git a/tests/ui/unresolved/unresolved-import.rs b/tests/ui/unresolved/unresolved-import.rs index ee520d65e6f4..763e9496734d 100644 --- a/tests/ui/unresolved/unresolved-import.rs +++ b/tests/ui/unresolved/unresolved-import.rs @@ -1,7 +1,7 @@ use foo::bar; //~^ ERROR unresolved import `foo` [E0432] -//~| NOTE you might be missing crate `foo` -//~| HELP consider importing the `foo` crate +//~| NOTE use of unresolved module or unlinked crate `foo` +//~| HELP you might be missing a crate named `foo` //~| SUGGESTION extern crate foo; use bar::Baz as x; diff --git a/tests/ui/unresolved/unresolved-import.stderr b/tests/ui/unresolved/unresolved-import.stderr index a1ff2f19eb64..c65fe841001d 100644 --- a/tests/ui/unresolved/unresolved-import.stderr +++ b/tests/ui/unresolved/unresolved-import.stderr @@ -2,9 +2,9 @@ error[E0432]: unresolved import `foo` --> $DIR/unresolved-import.rs:1:5 | LL | use foo::bar; - | ^^^ you might be missing crate `foo` + | ^^^ use of unresolved module or unlinked crate `foo` | -help: consider importing the `foo` crate +help: you might be missing a crate named `foo`, add it to your project and import it in your code | LL + extern crate foo; |