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, 41 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/20050124-1.c b/gcc/testsuite/gcc.c-torture/execute/20050124-1.c
new file mode 100644
index 000000000..9d039ef66
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20050124-1.c
@@ -0,0 +1,41 @@
+/* PR rtl-optimization/19579 */
+
+extern void abort (void);
+
+int
+foo (int i, int j)
+{
+  int k = i + 1;
+
+  if (j)
+    {
+      if (k > 0)
+	k++;
+      else if (k < 0)
+	k--;
+    }
+
+  return k;
+}
+
+int
+main (void)
+{
+  if (foo (-2, 0) != -1)
+    abort ();
+  if (foo (-1, 0) != 0)
+    abort ();
+  if (foo (0, 0) != 1)
+    abort ();
+  if (foo (1, 0) != 2)
+    abort ();
+  if (foo (-2, 1) != -2)
+    abort ();
+  if (foo (-1, 1) != 0)
+    abort ();
+  if (foo (0, 1) != 2)
+    abort ();
+  if (foo (1, 1) != 3)
+    abort ();
+  return 0;
+}