convert test to use -verify

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71642 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Preprocessor/_Pragma.c b/test/Preprocessor/_Pragma.c
index 44eda5f0b962b70363b3716c1c1be05ef31f9239..d449dc08b69b995e8a48c84dcb4f4381b32d87bb 100644 (file)
--- a/test/Preprocessor/_Pragma.c
+++ b/test/Preprocessor/_Pragma.c
@@ -1,4 +1,4 @@
-// RUN: clang-cc %s -E 2>&1 | grep 'system_header ignored in main file'
+// RUN: clang-cc %s -E -verify
 
-_Pragma ("GCC system_header")
+_Pragma ("GCC system_header")  // expected-warning {{system_header ignored in main file}}