objective-C: peroform property attribute consistency

checking on property declared in class extension.
// rdar://12214070


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164053 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index 4d2fb777e2..131c48f012 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -349,6 +349,7 @@ Sema::HandlePropertyInClassExtension(Scope *S,
       Diag(AtLoc, 
           diag::err_type_mismatch_continuation_class) << PDecl->getType();
       Diag(PIDecl->getLocation(), diag::note_property_declare);
+      return 0;
     }
   }
     
@@ -409,6 +410,7 @@ Sema::HandlePropertyInClassExtension(Scope *S,
     Diag(AtLoc, diag)
       << CCPrimary->getDeclName();
     Diag(PIDecl->getLocation(), diag::note_property_declare);
+    return 0;
   }
   *isOverridingProperty = true;
   // Make sure setter decl is synthesized, and added to primary class's list.
@@ -417,7 +419,7 @@ Sema::HandlePropertyInClassExtension(Scope *S,
   PDecl->setSetterMethodDecl(PIDecl->getSetterMethodDecl());
   if (ASTMutationListener *L = Context.getASTMutationListener())
     L->AddedObjCPropertyInClassExtension(PDecl, PIDecl, CDecl);
-  return 0;
+  return PDecl;
 }
 
 ObjCPropertyDecl *Sema::CreatePropertyDecl(Scope *S,