Rollup merge of #106946 - dtolnay:hashlinecolumn, r=m-ou-se

[rust.git] / compiler / rustc_hir_analysis / src / coherence / unsafety.rs

diff --git a/compiler/rustc_hir_analysis/src/coherence/unsafety.rs b/compiler/rustc_hir_analysis/src/coherence/unsafety.rs
index 70cc15b2f8c543268f926a32ff79ea330acce294..fe6119dce873573baf819591798c33e3ecc19b92 100644 (file)
--- a/compiler/rustc_hir_analysis/src/coherence/unsafety.rs
+++ b/compiler/rustc_hir_analysis/src/coherence/unsafety.rs
@@ -11,9 +11,10 @@
 pub(super) fn check_item(tcx: TyCtxt<'_>, def_id: LocalDefId) {
     debug_assert!(matches!(tcx.def_kind(def_id), DefKind::Impl));
     let item = tcx.hir().expect_item(def_id);
-    let hir::ItemKind::Impl(ref impl_) = item.kind else { bug!() };
+    let hir::ItemKind::Impl(impl_) = item.kind else { bug!() };
 
     if let Some(trait_ref) = tcx.impl_trait_ref(item.owner_id) {
+        let trait_ref = trait_ref.subst_identity();
         let trait_def = tcx.trait_def(trait_ref.def_id);
         let unsafe_attr =
             impl_.generics.params.iter().find(|p| p.pure_wrt_drop).map(|_| "may_dangle");