Auto merge of #107054 - petrochenkov:effvisdoc3, r=GuillaumeGomez

[rust.git] / compiler / rustc_passes / src / dead.rs

diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs
index edb0e4367f27354114415fa2dccac4ba576a1af8..94171b4b0c8f1b5ffa6021d2bf3a68c035aceb5c 100644 (file)
--- a/compiler/rustc_passes/src/dead.rs
+++ b/compiler/rustc_passes/src/dead.rs
@@ -266,7 +266,7 @@ fn should_ignore_item(&mut self, def_id: DefId) -> bool {
             if let Some(trait_of) = self.tcx.trait_id_of_impl(impl_of)
                 && self.tcx.has_attr(trait_of, sym::rustc_trivial_field_reads)
             {
-                let trait_ref = self.tcx.impl_trait_ref(impl_of).unwrap();
+                let trait_ref = self.tcx.impl_trait_ref(impl_of).unwrap().subst_identity();
                 if let ty::Adt(adt_def, _) = trait_ref.self_ty().kind()
                     && let Some(adt_def_id) = adt_def.did().as_local()
                 {