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, 44 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr26180.c b/gcc/testsuite/gcc.dg/tree-ssa/pr26180.c
new file mode 100644
index 000000000..13c302dea
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr26180.c
@@ -0,0 +1,44 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+/* { dg-require-effective-target int32plus } */
+
+void abort(void);
+int bar(int x, int y)
+{
+    int x1, y1;
+    int x2, y2;
+    unsigned int x3, y3, w;
+    int z = 1;
+
+    x1 = (x < (1 << 30));
+    y1 = (y < (1 << 30));
+    if (x1)
+    if (y1) {
+        x2 = ((x > 0)? (x): -(x));
+        y2 = ((y > 0)? (y): -(y));
+
+        x3 = x2;
+        y3 = y2;
+        w = x3 * y3;
+
+        if (w >= (1 << 30)) {
+          z = 1;
+        } else    {
+          z = -1;
+        }
+    }
+
+        return z;
+}
+
+
+int main()
+{
+  int x, y, z;
+  x = 536870912;  /* 2^29 */
+  y = 2;
+  z = bar(x, y);
+  if (z != 1)
+    abort ();
+  return 0;
+}