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, 38 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/20071216-1.c b/gcc/testsuite/gcc.c-torture/execute/20071216-1.c
new file mode 100644
index 000000000..a337b773a
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20071216-1.c
@@ -0,0 +1,38 @@
+/* PR rtl-optimization/34490 */
+
+extern void abort (void);
+
+static int x;
+
+int
+__attribute__((noinline))
+bar (void)
+{
+  return x;
+}
+
+int
+foo (void)
+{
+  long int b = bar ();
+  if ((unsigned long) b < -4095L)
+    return b;
+  if (-b != 38)
+    b = -2;
+  return b + 1;
+}
+
+int
+main (void)
+{
+  x = 26;
+  if (foo () != 26)
+    abort ();
+  x = -39;
+  if (foo () != -1)
+    abort ();
+  x = -38;
+  if (foo () != -37)
+    abort ();
+  return 0;
+}