Auto merge of #3419 - RalfJung:rustup, r=RalfJung

Rustup

https://github.com/rust-lang/rust/pull/123081 landed so hopefully this works now.

src/bootstrap/src/core/build_steps/dist.rs

@@ -1003,6 +1003,7 @@ impl Step for PlainSourceTarball {
             // Vendor all Cargo dependencies
             let mut cmd = Command::new(&builder.initial_cargo);
             cmd.arg("vendor")
+                .arg("--versioned-dirs")
                 .arg("--sync")
                 .arg(builder.src.join("./src/tools/cargo/Cargo.toml"))
                 .arg("--sync")

src/doc/edition-guide

@@ -1 +1 @@
-Subproject commit e1eead1181a691e56299294d5f1d62fe7a26d317
+Subproject commit 98b33e9a441457b0a491fe1be90e7de64eafc3e5

src/doc/reference

@@ -1 +1 @@
-Subproject commit 5afb503a4c1ea3c84370f8f4c08a1cddd1cdf6ad
+Subproject commit 984b36eca4b9293df04d5ba4eb5c4f77db0f51dc

src/doc/rust-by-example

@@ -1 +1 @@
-Subproject commit e093099709456e6fd74fecd2505fdf49a2471c10
+Subproject commit 7601e0c5ad29d5bd3b518700ea63fddfff5915a7

src/doc/rustc-dev-guide

@@ -1 +1 @@
-Subproject commit 8a5d647f19b08998612146b1cb2ca47083db63e0
+Subproject commit ffa246b7fd95a96e1cd54883e613aed42c32547d

src/tools/cargo

@@ -1 +1 @@
-Subproject commit d438c80c45c24be676ef5867edc79d0a14910efe
+Subproject commit a510712d05c6c98f987af24dd73cdfafee8922e6

src/tools/clippy/clippy_config/src/msrvs.rs

@@ -143,13 +143,13 @@ impl Msrv {
         None
     }
 
-    pub fn enter_lint_attrs(&mut self, sess: &Session, attrs: &[Attribute]) {
+    pub fn check_attributes(&mut self, sess: &Session, attrs: &[Attribute]) {
         if let Some(version) = Self::parse_attr(sess, attrs) {
             self.stack.push(version);
         }
     }
 
-    pub fn exit_lint_attrs(&mut self, sess: &Session, attrs: &[Attribute]) {
+    pub fn check_attributes_post(&mut self, sess: &Session, attrs: &[Attribute]) {
         if Self::parse_attr(sess, attrs).is_some() {
             self.stack.pop();
         }

src/tools/clippy/clippy_lints/src/cognitive_complexity.rs

@@ -158,10 +158,10 @@ impl<'tcx> LateLintPass<'tcx> for CognitiveComplexity {
         }
     }
 
-    fn enter_lint_attrs(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) {
+    fn check_attributes(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) {
         self.limit.push_attrs(cx.sess(), attrs, "cognitive_complexity");
     }
-    fn exit_lint_attrs(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) {
+    fn check_attributes_post(&mut self, cx: &LateContext<'tcx>, attrs: &'tcx [Attribute]) {
         self.limit.pop_attrs(cx.sess(), attrs, "cognitive_complexity");
     }
 }

src/tools/clippy/clippy_lints/src/missing_doc.rs

@@ -162,12 +162,12 @@ impl MissingDoc {
 impl_lint_pass!(MissingDoc => [MISSING_DOCS_IN_PRIVATE_ITEMS]);
 
 impl<'tcx> LateLintPass<'tcx> for MissingDoc {
-    fn enter_lint_attrs(&mut self, _: &LateContext<'tcx>, attrs: &'tcx [ast::Attribute]) {
+    fn check_attributes(&mut self, _: &LateContext<'tcx>, attrs: &'tcx [ast::Attribute]) {
         let doc_hidden = self.doc_hidden() || is_doc_hidden(attrs);
         self.doc_hidden_stack.push(doc_hidden);
     }
 
-    fn exit_lint_attrs(&mut self, _: &LateContext<'tcx>, _: &'tcx [ast::Attribute]) {
+    fn check_attributes_post(&mut self, _: &LateContext<'tcx>, _: &'tcx [ast::Attribute]) {
         self.doc_hidden_stack.pop().expect("empty doc_hidden_stack");
     }
 

src/tools/clippy/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs

@@ -42,7 +42,7 @@ impl LateLintPass<'_> for MsrvAttrImpl {
                     .filter(|t| matches!(t.unpack(), GenericArgKind::Type(_)))
                     .any(|t| match_type(cx, t.expect_ty(), &paths::MSRV))
             })
-            && !items.iter().any(|item| item.ident.name == sym!(enter_lint_attrs))
+            && !items.iter().any(|item| item.ident.name == sym!(check_attributes))
         {
             let context = if is_late_pass { "LateContext" } else { "EarlyContext" };
             let lint_pass = if is_late_pass { "LateLintPass" } else { "EarlyLintPass" };

src/tools/clippy/clippy_utils/src/lib.rs

@@ -131,14 +131,14 @@ use rustc_middle::hir::nested_filter;
 #[macro_export]
 macro_rules! extract_msrv_attr {
     ($context:ident) => {
-        fn enter_lint_attrs(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
+        fn check_attributes(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
             let sess = rustc_lint::LintContext::sess(cx);
-            self.msrv.enter_lint_attrs(sess, attrs);
+            self.msrv.check_attributes(sess, attrs);
         }
 
-        fn exit_lint_attrs(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
+        fn check_attributes_post(&mut self, cx: &rustc_lint::$context<'_>, attrs: &[rustc_ast::ast::Attribute]) {
             let sess = rustc_lint::LintContext::sess(cx);
-            self.msrv.exit_lint_attrs(sess, attrs);
+            self.msrv.check_attributes_post(sess, attrs);
         }
     };
 }

src/tools/miri/rust-version

@@ -1 +1 @@
-cb7c63606e53715f94f3ba04d38e50772e4cd23d
+b13a71a2e77f4625d1a2b8a5b9488414686ebca9

src/tools/miri/src/bin/miri.rs

@@ -364,6 +364,10 @@ fn main() {
     let args = rustc_driver::args::raw_args(&early_dcx)
         .unwrap_or_else(|_| std::process::exit(rustc_driver::EXIT_FAILURE));
 
+    // Install the ctrlc handler that sets `rustc_const_eval::CTRL_C_RECEIVED`, even if
+    // MIRI_BE_RUSTC is set.
+    rustc_driver::install_ctrlc_handler();
+
     // If the environment asks us to actually be rustc, then do that.
     if let Some(crate_kind) = env::var_os("MIRI_BE_RUSTC") {
         // Earliest rustc setup.

src/tools/miri/src/concurrency/thread.rs

@@ -3,12 +3,13 @@
 use std::cell::RefCell;
 use std::collections::hash_map::Entry;
 use std::num::TryFromIntError;
-use std::sync::atomic::{AtomicBool, Ordering::Relaxed};
+use std::sync::atomic::Ordering::Relaxed;
 use std::task::Poll;
 use std::time::{Duration, SystemTime};
 
 use either::Either;
 
+use rustc_const_eval::CTRL_C_RECEIVED;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_hir::def_id::DefId;
 use rustc_index::{Idx, IndexVec};
@@ -1045,21 +1046,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
     /// Run the core interpreter loop. Returns only when an interrupt occurs (an error or program
     /// termination).
     fn run_threads(&mut self) -> InterpResult<'tcx, !> {
-        static SIGNALED: AtomicBool = AtomicBool::new(false);
-        ctrlc::set_handler(move || {
-            // Indicate that we have ben signaled to stop. If we were already signaled, exit
-            // immediately. In our interpreter loop we try to consult this value often, but if for
-            // whatever reason we don't get to that check or the cleanup we do upon finding that
-            // this bool has become true takes a long time, the exit here will promptly exit the
-            // process on the second Ctrl-C.
-            if SIGNALED.swap(true, Relaxed) {
-                std::process::exit(1);
-            }
-        })
-        .unwrap();
         let this = self.eval_context_mut();
         loop {
-            if SIGNALED.load(Relaxed) {
+            if CTRL_C_RECEIVED.load(Relaxed) {
                 this.machine.handle_abnormal_termination();
                 std::process::exit(1);
             }

src/tools/tidy/src/deps.rs

@@ -208,6 +208,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "byteorder", // via ruzstd in object in thorin-dwp
     "cc",
     "cfg-if",
+    "cfg_aliases",
     "compiler_builtins",
     "cpufeatures",
     "crc32fast",
@@ -216,6 +217,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "crossbeam-epoch",
     "crossbeam-utils",
     "crypto-common",
+    "ctrlc",
     "darling",
     "darling_core",
     "darling_macro",
@@ -281,6 +283,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "memmap2",
     "memoffset",
     "miniz_oxide",
+    "nix",
     "nu-ansi-term",
     "num-conv",
     "num_cpus",

src/tools/tidy/src/ui_tests.rs

@@ -18,7 +18,7 @@ const ENTRY_LIMIT: usize = 900;
 // FIXME: The following limits should be reduced eventually.
 
 const ISSUES_ENTRY_LIMIT: usize = 1750;
-const ROOT_ENTRY_LIMIT: usize = 859;
+const ROOT_ENTRY_LIMIT: usize = 860;
 
 const EXPECTED_TEST_FILE_EXTENSIONS: &[&str] = &[
     "rs",     // test source files