249cb84316
Rollup of 7 pull requests Successful merges: - #137314 (change definitely unproductive cycles to error) - #137701 (Convert `ShardedHashMap` to use `hashbrown::HashTable`) - #138269 (uefi: fs: Implement FileType, FilePermissions and FileAttr) - #138331 (Use `RUSTC_LINT_FLAGS` more) - #138345 (Some autodiff cleanups) - #138387 (intrinsics: remove unnecessary leading underscore from argument names) - #138390 (fix incorrect tracing log) r? `@ghost` `@rustbot` modify labels: rollup
56 lines
1.6 KiB
Rust
56 lines
1.6 KiB
Rust
// tidy-alphabetical-start
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#![cfg_attr(doc, recursion_limit = "256")] // FIXME(nnethercote): will be removed by #124141
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#![feature(array_windows)]
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#![feature(file_buffered)]
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#![feature(if_let_guard)]
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#![feature(impl_trait_in_assoc_type)]
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#![feature(let_chains)]
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// tidy-alphabetical-end
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use rustc_hir::lang_items::LangItem;
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use rustc_middle::query::TyCtxtAt;
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use rustc_middle::ty::adjustment::CustomCoerceUnsized;
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use rustc_middle::ty::{self, Ty};
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use rustc_middle::util::Providers;
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use rustc_middle::{bug, traits};
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use rustc_span::ErrorGuaranteed;
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mod collector;
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mod errors;
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mod mono_checks;
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mod partitioning;
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mod util;
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rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
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fn custom_coerce_unsize_info<'tcx>(
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tcx: TyCtxtAt<'tcx>,
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source_ty: Ty<'tcx>,
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target_ty: Ty<'tcx>,
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) -> Result<CustomCoerceUnsized, ErrorGuaranteed> {
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let trait_ref = ty::TraitRef::new(
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tcx.tcx,
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tcx.require_lang_item(LangItem::CoerceUnsized, Some(tcx.span)),
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[source_ty, target_ty],
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);
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match tcx
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.codegen_select_candidate(ty::TypingEnv::fully_monomorphized().as_query_input(trait_ref))
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{
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Ok(traits::ImplSource::UserDefined(traits::ImplSourceUserDefinedData {
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impl_def_id,
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..
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})) => Ok(tcx.coerce_unsized_info(impl_def_id)?.custom_kind.unwrap()),
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impl_source => {
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bug!(
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"invalid `CoerceUnsized` from {source_ty} to {target_ty}: impl_source: {:?}",
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impl_source
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);
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}
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}
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}
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pub fn provide(providers: &mut Providers) {
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partitioning::provide(providers);
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mono_checks::provide(providers);
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}
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