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, 24 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr7284-1.c b/gcc/testsuite/gcc.c-torture/execute/pr7284-1.c
new file mode 100644
index 000000000..de0057ceb
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr7284-1.c
@@ -0,0 +1,24 @@
+/* Signed left-shift is implementation-defined in C89 (and see
+   DR#081), not undefined.  Bug 7284 from Al Grant (AlGrant at
+   myrealbox.com).  */
+
+/* { dg-options "-std=c89" } */
+
+extern void abort (void);
+extern void exit (int);
+
+int
+f (int n)
+{
+  return (n << 24) / (1 << 23);
+}
+
+volatile int x = 128;
+
+int
+main (void)
+{
+  if (f(x) != -256)
+    abort ();
+  exit (0);
+}