diff --git a/test/SemaObjC/cocoa.m b/test/SemaObjC/cocoa.m
index 153c46e..0064094 100644
--- a/test/SemaObjC/cocoa.m
+++ b/test/SemaObjC/cocoa.m
@@ -1,5 +1,8 @@
 // RUN: clang-cc %s -print-stats &&
-// RUN: clang-cc %s -disable-free
+// RUN: clang-cc %s -disable-free &&
+// RUN: clang-cc -emit-pth -o %t %s && 
+// RUN: clang-cc -token-cache %t %s &&
+// RUN: clang-cc -token-cache %t %s -E %s -o /dev/null
 #ifdef __APPLE__
 #include <Cocoa/Cocoa.h>
 #endif