re PR tree-optimization/59014 (wrong code at -Os and above on x86_64-linux-gnu)

	PR tree-optimization/59014
	* gcc.c-torture/execute/pr59014-2.c: New test.

From-SVN: r205454

gcc/testsuite/ChangeLog

+2013-11-27  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/59014
+	* gcc.c-torture/execute/pr59014-2.c: New test.
+
 2013-11-27  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/58647

gcc/testsuite/gcc.c-torture/execute/pr59014-2.c

+/* PR tree-optimization/59014 */
+
+__attribute__((noinline, noclone)) long long int
+foo (long long int x, long long int y)
+{
+  if (((int) x | (int) y) != 0)
+    return 6;
+  return x + y;
+}
+
+int
+main ()
+{
+  if (sizeof (long long) == sizeof (int))
+    return 0;
+  int shift_half = sizeof (int) * __CHAR_BIT__ / 2;
+  long long int x = (3LL << shift_half) << shift_half;
+  long long int y = (5LL << shift_half) << shift_half;
+  long long int z = foo (x, y);
+  if (z != ((8LL << shift_half) << shift_half))
+    __builtin_abort ();
+  return 0;
+}