1 files changed, 7 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaInit.cpp b/clang/lib/Sema/SemaInit.cpp
index d89d37d8499..163ad8dc54d 100644
--- a/clang/lib/Sema/SemaInit.cpp
+++ b/clang/lib/Sema/SemaInit.cpp
@@ -8911,11 +8911,17 @@ bool InitializationSequence::Diagnose(Sema &S,
       S.Diag(Kind.getLocation(), diag::err_reference_bind_drops_quals)
           << NonRefType << SourceType << 1 /*addr space*/
           << Args[0]->getSourceRange();
-    else
+    else if (DroppedQualifiers.hasQualifiers())
       S.Diag(Kind.getLocation(), diag::err_reference_bind_drops_quals)
           << NonRefType << SourceType << 0 /*cv quals*/
           << Qualifiers::fromCVRMask(DroppedQualifiers.getCVRQualifiers())
           << DroppedQualifiers.getCVRQualifiers() << Args[0]->getSourceRange();
+    else
+      // FIXME: Consider decomposing the type and explaining which qualifiers
+      // were dropped where, or on which level a 'const' is missing, etc.
+      S.Diag(Kind.getLocation(), diag::err_reference_bind_drops_quals)
+          << NonRefType << SourceType << 2 /*incompatible quals*/
+          << Args[0]->getSourceRange();
     break;
   }