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, 15 insertions, 0 deletions

diff --git a/gcc/testsuite/c-c++-common/Wunused-var-6.c b/gcc/testsuite/c-c++-common/Wunused-var-6.c
new file mode 100644
index 000000000..1217719a2
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/Wunused-var-6.c
@@ -0,0 +1,15 @@
+/* PR c/43981 */
+/* { dg-do compile } */
+/* { dg-options "-Wunused" } */
+
+void g (char *);
+
+char
+f (int a)
+{
+  int len = a * 3;
+  char t[len];
+
+  g (t);
+  return t[0];
+}