1  /* { dg-do run } */
       2  register int g asm ("$18");
       3  
       4  void __attribute__((noinline))
       5  test (void)
       6  {
       7    g = g + 1;
       8  }
       9  
      10  int
      11  main (void)
      12  {
      13    g = 2;
      14    test ();
      15    return g != 3;
      16  }