Fix rdar://6880630 - # in _Pragma does not start a preprocessor directive.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71643 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/_Pragma.c b/test/Preprocessor/_Pragma.c
index d449dc0..9c0c97d 100644
--- a/test/Preprocessor/_Pragma.c
+++ b/test/Preprocessor/_Pragma.c
@@ -1,4 +1,10 @@
-// RUN: clang-cc %s -E -verify
+// RUN: clang-cc %s -verify -Wall
_Pragma ("GCC system_header") // expected-warning {{system_header ignored in main file}}
+// rdar://6880630
+_Pragma("#define macro") // expected-warning {{unknown pragma ignored}}
+
+#ifdef macro
+#error #define invalid
+#endif