diff --git a/test/Parser/MicrosoftExtensions.c b/test/Parser/MicrosoftExtensions.c
index d03ada8..a0f15e9 100644
--- a/test/Parser/MicrosoftExtensions.c
+++ b/test/Parser/MicrosoftExtensions.c
@@ -11,11 +11,11 @@
 
 void * __ptr64 PtrToPtr64(const void *p)
 {
-  return((void * __ptr64) (unsigned __int64) (ULONG_PTR)p );
+  return((void * __ptr64) (unsigned __int64) (ULONG_PTR)p ); // expected-warning {{unknown attribute '__ptr64' ignored}}
 }
 void * __ptr32 PtrToPtr32(const void *p)
 {
-  return((void * __ptr32) (unsigned __int32) (ULONG_PTR)p );
+  return((void * __ptr32) (unsigned __int32) (ULONG_PTR)p ); // expected-warning {{unknown attribute '__ptr32' ignored}}
 }
 
 void __forceinline InterlockedBitTestAndSet (long *Base, long Bit)