obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 19 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/cpp/c99-empty-macro-args.c b/gcc/testsuite/gcc.dg/cpp/c99-empty-macro-args.c
new file mode 100644
index 000000000..e1e0c61ec
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/c99-empty-macro-args.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-std=c99 -pedantic" } */
+
+#define f(a,b)   f2(a,,b) 
+#define f2(a,b,c) a; b; c;
+#define f3(a)    a
+
+#define g()   p()
+
+void p(void) {}
+
+
+void foo(void)
+{
+    f(p(),p());
+    f2(p(),,p());
+    f3();
+    g();
+}