1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs
index 0fe22a26cd5..5cc2b7984d7 100644
--- a/compiler/rustc_middle/src/query/mod.rs
+++ b/compiler/rustc_middle/src/query/mod.rs
@@ -164,7 +164,8 @@ rustc_queries! {
     query collect_trait_impl_trait_tys(key: DefId)
         -> Result<&'tcx FxHashMap<DefId, Ty<'tcx>>, ErrorGuaranteed>
     {
-        desc { "better description please" }
+        desc { "compare an impl and trait method signature, inferring any hidden `impl Trait` types in the process" }
+        cache_on_disk_if { key.is_local() }
         separate_provide_extern
     }