diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index 252cd2d..acdeec6 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -151,6 +151,9 @@
         // id<protocol-list>
         Result = Context.getObjCQualifiedIdType((ObjCProtocolDecl**)PQ,
                                                 DS.getNumProtocolQualifiers());
+      else
+        Diag(DS.getSourceRange().getBegin(), 
+             diag::warn_ignoring_objc_qualifiers) << DS.getSourceRange();
     }
     // TypeQuals handled by caller.
     break;