1 files changed, 4 insertions, 7 deletions
diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs
index 609316ea69f..accb54e4645 100644
--- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs
+++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs
@@ -480,14 +480,11 @@ pub fn compute_debuginfo_vtable_name<'tcx>(
     }
 
     if let Some(trait_ref) = trait_ref {
-        push_item_name(tcx, trait_ref.skip_binder().def_id, true, &mut vtable_name);
+        let trait_ref =
+            tcx.normalize_erasing_late_bound_regions(ty::ParamEnv::reveal_all(), trait_ref);
+        push_item_name(tcx, trait_ref.def_id, true, &mut vtable_name);
         visited.clear();
-        push_generic_params_internal(
-            tcx,
-            trait_ref.skip_binder().substs,
-            &mut vtable_name,
-            &mut visited,
-        );
+        push_generic_params_internal(tcx, trait_ref.substs, &mut vtable_name, &mut visited);
     } else {
         vtable_name.push_str("_");
     }