1 files changed, 30 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/compare-qualified-class.m b/clang/test/SemaObjC/compare-qualified-class.m
new file mode 100644
index 0000000..0f415b6
--- /dev/null
+++ b/clang/test/SemaObjC/compare-qualified-class.m
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// rdar://8191774
+
+@protocol SomeProtocol
+@end
+
+@protocol SomeProtocol1
+@end
+
+@interface SomeObject <SomeProtocol>
+@end
+
+int main () {
+    Class <SomeProtocol> classA;
+    Class <SomeProtocol> classB;
+    Class <SomeProtocol, SomeProtocol1> classC;
+    Class <SomeProtocol1> classD;
+    void * pv = 0;
+    Class c = (Class)0;;
+    if (pv)
+      return classA == pv;
+
+    if (c)
+      return classA == c;
+    
+    return classA == classB  || classA == classC ||
+           classC == classA ||
+           classA == classD; // expected-warning {{comparison of distinct pointer types ('Class<SomeProtocol> *' and 'Class<SomeProtocol1> *')}}
+}
+