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, 42 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/20060930-1.c b/gcc/testsuite/gcc.c-torture/execute/20060930-1.c
new file mode 100644
index 000000000..f12ee55dd
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20060930-1.c
@@ -0,0 +1,42 @@
+/* PR rtl-optimization/28096 */
+/* Origin: Jan Stein <jan@gatespacetelematics.com> */
+
+extern void abort (void);
+
+int bar (int, int) __attribute__((noinline));
+int bar (int a, int b)
+{
+  if (b != 1)
+    abort ();
+}
+
+void foo(int, int) __attribute__((noinline));
+void foo (int e, int n)
+{
+  int i, bb2, bb5;
+
+  if (e > 0)
+    e = -e;
+
+  for (i = 0; i < n; i++)
+    {
+      if (e >= 0)
+	{
+	  bb2 = 0;
+	  bb5 = 0;
+	}
+      else
+	{
+	  bb5 = -e;
+	  bb2 = bb5;
+	}
+
+      bar (bb5, bb2);
+    }
+}
+
+int main(void)
+{
+  foo (1, 1);
+  return 0;
+}