Unbreak -stats on cocoa.h


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44919 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/cocoa.m b/test/Sema/cocoa.m
index c3d829c..cfb1f4e 100644
--- a/test/Sema/cocoa.m
+++ b/test/Sema/cocoa.m
@@ -1,4 +1,4 @@
-// RUN: clang %s
+// RUN: clang %s -stats
 #ifdef __APPLE__
 #include <Cocoa/Cocoa.h>
 #endif