1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_query_impl/src/keys.rs b/compiler/rustc_query_impl/src/keys.rs
index 1ae5bf12cab..e467f419863 100644
--- a/compiler/rustc_query_impl/src/keys.rs
+++ b/compiler/rustc_query_impl/src/keys.rs
@@ -228,6 +228,15 @@ impl<'tcx> Key for (&'tcx ty::Const<'tcx>, mir::Field) {
     }
 }
 
+impl<'tcx> Key for mir::interpret::ConstAlloc<'tcx> {
+    fn query_crate(&self) -> CrateNum {
+        LOCAL_CRATE
+    }
+    fn default_span(&self, _: TyCtxt<'_>) -> Span {
+        DUMMY_SP
+    }
+}
+
 impl<'tcx> Key for ty::PolyTraitRef<'tcx> {
     fn query_crate(&self) -> CrateNum {
         self.def_id().krate