1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-passes" } */
       3  
       4  unsigned res;
       5  
       6  void
       7  foo (unsigned code, int len)
       8  {
       9    int i;
      10    for (i = 0; i < len; i++)
      11      res |= code & 1;
      12  }
      13  
      14  /* { dg-prune-output ".*" } */