1 files changed, 72 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/unqualified-to-qualified-class-warn.m b/clang/test/SemaObjC/unqualified-to-qualified-class-warn.m
new file mode 100644
index 0000000..e6fa138
--- /dev/null
+++ b/clang/test/SemaObjC/unqualified-to-qualified-class-warn.m
@@ -0,0 +1,72 @@
+// RUN: %clang_cc1  -fsyntax-only -verify %s
+// rdar://9091389
+
+@protocol Fooable
+- (void)foo;
+@end
+
+@protocol SubFooable <Fooable>
+@end
+
+@interface AClass
+@end
+
+@interface BClass : AClass <SubFooable>
+@end
+
+@implementation BClass
+- (void)foo {
+}
+@end
+
+void functionTakingAClassConformingToAProtocol(AClass <Fooable> *instance) { // expected-note {{passing argument to parameter 'instance' here}}
+}
+
+int main () {
+    AClass *aobject = 0;
+    BClass *bobject = 0;
+    functionTakingAClassConformingToAProtocol(aobject);  // expected-warning {{incompatible pointer types passing 'AClass *' to parameter of type 'AClass<Fooable> *'}}
+    functionTakingAClassConformingToAProtocol(bobject); // Shouldn't warn -  does implement Fooable
+    return 0;
+}
+
+// rdar://9267196
+@interface NSObject @end
+
+@protocol MyProtocol
+@end
+
+@interface MyClass : NSObject 
+{
+}
+@end
+
+@implementation MyClass
+@end
+
+@interface MySubclass : MyClass <MyProtocol> 
+{
+}
+@end
+
+@interface MyTestClass : NSObject
+{
+@private
+	NSObject <MyProtocol> *someObj;
+}
+
+@property (nonatomic, assign) NSObject <MyProtocol> *someObj;
+
+@end
+
+@implementation MyTestClass
+
+@synthesize someObj;
+
+- (void)someMethod
+{
+	MySubclass *foo;
+	[self setSomeObj:foo]; // no warning here!
+}
+
+@end