Objective-C: When using super.prop, property should be
looked up the current class's super class.
// rdar://13349296
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176832 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 75f8c48..b0d5453 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -1561,8 +1561,15 @@
if (ObjCMethodDecl *CurMethod = tryCaptureObjCSelf(receiverNameLoc)) {
if (CurMethod->isInstanceMethod()) {
- QualType T =
- Context.getObjCInterfaceType(CurMethod->getClassInterface());
+ ObjCInterfaceDecl *Super =
+ CurMethod->getClassInterface()->getSuperClass();
+ if (!Super) {
+ // The current class does not have a superclass.
+ Diag(receiverNameLoc, diag::error_root_class_cannot_use_super)
+ << CurMethod->getClassInterface()->getIdentifier();
+ return ExprError();
+ }
+ QualType T = Context.getObjCInterfaceType(Super);
T = Context.getObjCObjectPointerType(T);
return HandleExprPropertyRefExpr(T->getAsObjCInterfacePointerType(),