1  /* { dg-do compile } */
       2  /* { dg-additional-options "-ftree-vectorize" } */
       3  
       4  short int zb;
       5  
       6  void
       7  gs (void)
       8  {
       9    while (zb < 1)
      10      {
      11        int at;
      12  
      13        zb %= 1;
      14  
      15        for (at = 0; at < 56; ++at)
      16  	zb += zb;
      17  
      18        ++zb;
      19      }
      20  }