1  /* PR tree-optimization/55153 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O -fsched2-use-superblocks -fschedule-insns2" } */
       4  /* { dg-require-effective-target scheduling } */
       5  
       6  extern int a[];
       7  
       8  void
       9  foo (void)
      10  {
      11    __builtin_prefetch (a, 0, 0);
      12  }