re PR target/49206 (RA failure in spill_failure, at reload1.c:2113)

	PR target/49206
	* gcc.c-torture/compile/pr49206.c: New test.

From-SVN: r190857

gcc/testsuite/ChangeLog

+2012-09-02  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/49206
+	* gcc.c-torture/compile/pr49206.c: New test.
+
 2012-09-02  Dominique Dhumieres  <dominiq@lps.ens.fr>
 	    Uros Bizjak  <ubizjak@gmail.com>
 

gcc/testsuite/gcc.c-torture/compile/pr49206.c

+struct S1
+{
+  short f0;
+};
+extern volatile struct S1 g_5;
+extern int g_120, i;
+extern short g_339;
+
+int
+func_72 (int x, int y, struct S1 z)
+{
+  for (z.f0 = -3; z.f0 > 16; z.f0 += 1)
+    foo ();
+  return g_120;
+}
+
+int
+main ()
+{
+  while (g_339 % 0x200003)
+    continue;
+  if (i)
+    func_72 (0, 0, g_5);
+  foo (&g_339);
+  return 0;
+}