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diff --git a/clang/test/SemaObjCXX/void_to_obj.mm b/clang/test/SemaObjCXX/void_to_obj.mm
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+// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
+
+// <rdar://problem/6463729>
+@class XX;
+
+void func() {
+ XX *obj;
+ void *vv;
+
+ obj = vv; // expected-error{{assigning to 'XX *' from incompatible type 'void *'}}
+}
+
+// <rdar://problem/7952457>
+@interface I
+{
+ void* delegate;
+}
+- (I*) Meth;
+- (I*) Meth1;
+@end
+
+@implementation I
+- (I*) Meth { return static_cast<I*>(delegate); }
+- (I*) Meth1 { return reinterpret_cast<I*>(delegate); }
+@end
+