1  /* PR tree-optimization/54877 */
       2  /* { dg-do run } */
       3  /* { dg-options "-ffast-math" } */
       4  
       5  extern void abort (void);
       6  
       7  int
       8  foo (void)
       9  {
      10    double d;
      11    int i;
      12    for (i = 0, d = 0; i < 64; i++)
      13      d--;
      14    return (int) d;
      15  }
      16  
      17  int
      18  main ()
      19  {
      20    if (foo () != -64)
      21      abort ();
      22    return 0;
      23  }