vendor/clang/clang-trunk-r302418

1 files changed, 14 insertions, 7 deletions

diff --git a/test/Preprocessor/macro_paste_commaext.c b/test/Preprocessor/macro_paste_commaext.c
index fdb8f982a929..60418effe7c3 100644
--- a/test/Preprocessor/macro_paste_commaext.c
+++ b/test/Preprocessor/macro_paste_commaext.c
@@ -1,13 +1,20 @@
-// RUN: %clang_cc1 %s -E | grep 'V);'
-// RUN: %clang_cc1 %s -E | grep 'W, 1, 2);'
-// RUN: %clang_cc1 %s -E | grep 'X, 1, 2);'
-// RUN: %clang_cc1 %s -E | grep 'Y,);'
-// RUN: %clang_cc1 %s -E | grep 'Z,);'
+// RUN: %clang_cc1 %s -E | FileCheck --strict-whitespace --match-full-lines %s
+
+// In the following tests, note that the output is sensitive to the
+// whitespace *preceeding* the varargs argument, as well as to
+// interior whitespace. AFAIK, this is the only case where whitespace
+// preceeding an argument matters, and might be considered a bug in
+// GCC. Nevertheless, since this feature is a GCC extension in the
+// first place, we'll follow along.
 
 #define debug(format, ...) format, ## __VA_ARGS__)
+// CHECK:V);
 debug(V);
-debug(W, 1, 2);
+// CHECK:W,1, 2);
+debug(W,1, 2);
+// CHECK:X, 1, 2);
 debug(X, 1, 2 );
+// CHECK:Y,);
 debug(Y, );
+// CHECK:Z,);
 debug(Z,);
-