re PR tree-optimization/57321 (static function call miscompiled at -Os and above)

	PR tree-optimization/57321
	* gcc.c-torture/execute/pr57321.c: New test.

From-SVN: r199133

gcc/testsuite/ChangeLog

+2013-05-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/57321
+	* gcc.c-torture/execute/pr57321.c: New test.
+
 2013-05-20  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/48858

gcc/testsuite/gcc.c-torture/execute/pr57321.c

+/* PR tree-optimization/57321 */
+
+int a = 1, *b, **c;
+
+static int
+foo (int *p)
+{
+  if (*p == a)
+    {
+      int *i[7][5] = { { 0 } };
+      int **j[1][1];
+      j[0][0] = &i[0][0];
+      *b = &p != c;
+    }
+  return 0;
+}
+
+int
+main ()
+{
+  int i = 0;
+  foo (&i);
+  return 0;
+}