Split PTH tests from carbon.c into separate test.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68223 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/carbon.c b/test/Sema/carbon.c
index 885a29c..8e6837f 100644
--- a/test/Sema/carbon.c
+++ b/test/Sema/carbon.c
@@ -1,8 +1,5 @@
 // RUN: clang-cc %s -print-stats &&
-// 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
+// RUN: clang-cc %s -disable-free
 #ifdef __APPLE__
 #include <Carbon/Carbon.h>
 #endif