1  /* PR tree-optimization/54919 */
       2  /* Testcase by Zdenek Sojka <zsojka@seznam.cz> */
       3  
       4  /* { dg-do run } */
       5  /* { dg-options "-O3 -ffast-math -funroll-loops -fvariable-expansion-in-unroller" } */
       6  
       7  int a[10];
       8  extern void abort(void) __attribute__((noreturn));
       9  
      10  int __attribute__((__noinline__, __noclone__))
      11  foo (void)
      12  {
      13    double d;
      14    int i;
      15    for (i = 0, d = 0; i < 64; i++)
      16      d--;
      17    return (int) d;
      18  }
      19  
      20  int
      21  main (void)
      22  {
      23    if (foo () != -64)
      24      abort ();
      25    return 0;
      26  }
      27