1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs
index a9dc7f5d11a..23daefd5a65 100644
--- a/compiler/rustc_middle/src/query/mod.rs
+++ b/compiler/rustc_middle/src/query/mod.rs
@@ -343,6 +343,15 @@ rustc_queries! {
         }
     }
 
+    query impl_trait_in_assoc_types_defined_by(
+        key: LocalDefId
+    ) -> &'tcx ty::List<LocalDefId> {
+        desc {
+            |tcx| "computing the opaque types defined by `{}`",
+            tcx.def_path_str(key.to_def_id())
+        }
+    }
+
     /// Returns the list of bounds that can be used for
     /// `SelectionCandidate::ProjectionCandidate(_)` and
     /// `ProjectionTyCandidate::TraitDef`.