diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td
index 36249022192c68bcdf597df07825cb18dc6ecdb7..af333d3860140c4cc61946dbab161570393706b0 100644
--- a/include/clang/Basic/DiagnosticSemaKinds.td
+++ b/include/clang/Basic/DiagnosticSemaKinds.td
@@ -7810,7 +7810,7 @@ def err_invalid_protocol_qualifiers : Error<
   "invalid protocol qualifiers on non-ObjC type">;
 def warn_ivar_use_hidden : Warning<
   "local declaration of %0 hides instance variable">,
-   InGroup<DiagGroup<"shadow-ivar">>;
+   InGroup<ShadowIvar>;
 def warn_direct_initialize_call : Warning<
   "explicit call to +initialize results in duplicate call to +initialize">,
    InGroup<ExplicitInitializeCall>;