Fix PR4006, incorrect handling of __VA_ARGS__ when it was the first token

in a function-like macro body.  This has the added bonus of moving some
function-like macro specific code out of the object-like macro codepath.

llvm-svn: 69530

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/test/Preprocessor/macro_fn.c b/clang/test/Preprocessor/macro_fn.c
index 8dc8b77d6df..90dc2f06d68 100644
--- a/clang/test/Preprocessor/macro_fn.c
+++ b/clang/test/Preprocessor/macro_fn.c
@@ -25,3 +25,9 @@ two(
              expected-error {{too many arguments provided to function-like macro invocation}} */
     )     
 two(,)      /* expected-warning 2 {{empty macro arguments were standardized in C99}} */
+
+
+
+/* PR4006 */
+#define e(...) __VA_ARGS__  /* expected-warning {{variadic macros were introduced in C99}} */
+e(x)