add runline, make this test real.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44916 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Preprocessor/macro_paste_simple.c b/test/Preprocessor/macro_paste_simple.c
index e8dc1e84045f32c7f5fb88f9b46d4a90af10704e..82b75daf571481e11d0968c2b08b5d104e06afae 100644 (file)
--- a/test/Preprocessor/macro_paste_simple.c
+++ b/test/Preprocessor/macro_paste_simple.c
@@ -1,3 +1,5 @@
-// clang %s -E | grep "barbaz123"
+// RUN: clang %s -E | grep "barbaz123"
 
 #define FOO bar ## baz ## 123
+
+FOO