1  /* PR tree-optimization/109301 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O3 -ffast-math" } */
       4  
       5  double x[256];
       6  
       7  void
       8  foo (void)
       9  {
      10    for (int i = 0; i < 256; ++i)
      11      for (int j = 0; j < 8; ++j)
      12        x[i] = __builtin_pow (x[i], 0.5);
      13  }