Auto merge of #120524 - Nadrieril:rollup-67952ib, r=Nadrieril

Rollup of 9 pull requests

Successful merges:

 - #120207 (check `RUST_BOOTSTRAP_CONFIG` in `profile_user_dist` test)
 - #120321 (pattern_analysis: cleanup the contexts)
 - #120355 (document `FromIterator for Vec` allocation behaviors)
 - #120430 (std: thread_local::register_dtor fix proposal for FreeBSD.)
 - #120469 (Provide more context on derived obligation error primary label)
 - #120472 (Make duplicate lang items fatal)
 - #120490 (Don't hash lints differently to non-lints.)
 - #120495 (Remove the `abi_amdgpu_kernel` feature)
 - #120501 (rustdoc: Correctly handle attribute merge if this is a glob reexport)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 5 insertions, 19 deletions

diff --git a/compiler/rustc_pattern_analysis/src/lib.rs b/compiler/rustc_pattern_analysis/src/lib.rs
index a53d7a0d809..3d0eb117d17 100644
--- a/compiler/rustc_pattern_analysis/src/lib.rs
+++ b/compiler/rustc_pattern_analysis/src/lib.rs
@@ -6,6 +6,7 @@ pub mod errors;
 #[cfg(feature = "rustc")]
 pub(crate) mod lints;
 pub mod pat;
+pub mod pat_column;
 #[cfg(feature = "rustc")]
 pub mod rustc;
 pub mod usefulness;
@@ -67,8 +68,9 @@ use rustc_span::ErrorGuaranteed;
 
 use crate::constructor::{Constructor, ConstructorSet, IntRange};
 #[cfg(feature = "rustc")]
-use crate::lints::{lint_nonexhaustive_missing_variants, PatternColumn};
+use crate::lints::lint_nonexhaustive_missing_variants;
 use crate::pat::DeconstructedPat;
+use crate::pat_column::PatternColumn;
 #[cfg(feature = "rustc")]
 use crate::rustc::RustcMatchCheckCtxt;
 #[cfg(feature = "rustc")]
@@ -135,20 +137,6 @@ pub trait TypeCx: Sized + fmt::Debug {
     }
 }
 
-/// Context that provides information global to a match.
-pub struct MatchCtxt<'a, Cx: TypeCx> {
-    /// The context for type information.
-    pub tycx: &'a Cx,
-}
-
-impl<'a, Cx: TypeCx> Clone for MatchCtxt<'a, Cx> {
-    fn clone(&self) -> Self {
-        Self { tycx: self.tycx }
-    }
-}
-
-impl<'a, Cx: TypeCx> Copy for MatchCtxt<'a, Cx> {}
-
 /// The arm of a match expression.
 #[derive(Debug)]
 pub struct MatchArm<'p, Cx: TypeCx> {
@@ -175,15 +163,13 @@ pub fn analyze_match<'p, 'tcx>(
 ) -> Result<rustc::UsefulnessReport<'p, 'tcx>, ErrorGuaranteed> {
     let scrut_ty = tycx.reveal_opaque_ty(scrut_ty);
     let scrut_validity = ValidityConstraint::from_bool(tycx.known_valid_scrutinee);
-    let cx = MatchCtxt { tycx };
-
-    let report = compute_match_usefulness(cx, arms, scrut_ty, scrut_validity)?;
+    let report = compute_match_usefulness(tycx, arms, scrut_ty, scrut_validity)?;
 
     // Run the non_exhaustive_omitted_patterns lint. Only run on refutable patterns to avoid hitting
     // `if let`s. Only run if the match is exhaustive otherwise the error is redundant.
     if tycx.refutable && report.non_exhaustiveness_witnesses.is_empty() {
         let pat_column = PatternColumn::new(arms);
-        lint_nonexhaustive_missing_variants(cx, arms, &pat_column, scrut_ty)?;
+        lint_nonexhaustive_missing_variants(tycx, arms, &pat_column, scrut_ty)?;
     }
 
     Ok(report)