convert this to use -verify.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66441 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/macro_misc.c b/test/Preprocessor/macro_misc.c
index f120197..66e9e3f 100644
--- a/test/Preprocessor/macro_misc.c
+++ b/test/Preprocessor/macro_misc.c
@@ -1,4 +1,4 @@
-// RUN: clang %s -E 2>&1 | not grep error
+// RUN: clang %s -Eonly -verify
 
 // This should not be rejected.
 #ifdef defined