objc: turn warning for property type mismatch in 
primary and its continuation class into error.
// rdar://10142679


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145255 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaObjCProperty.cpp b/lib/Sema/SemaObjCProperty.cpp
index 90d2d93..c47a305 100644
--- a/lib/Sema/SemaObjCProperty.cpp
+++ b/lib/Sema/SemaObjCProperty.cpp
@@ -279,7 +279,7 @@
   if (PIDecl->getType().getCanonicalType() 
       != PDecl->getType().getCanonicalType()) {
     Diag(AtLoc, 
-         diag::warn_type_mismatch_continuation_class) << PDecl->getType();
+         diag::err_type_mismatch_continuation_class) << PDecl->getType();
     Diag(PIDecl->getLocation(), diag::note_property_declare);
   }