1  /* { dg-do compile } */
       2  /* { dg-additional-options "-ftree-vectorize" } */
       3  
       4  long int ar;
       5  int dt;
       6  
       7  long int
       8  pc (unsigned long int q3, int zw)
       9  {
      10    long int em = 0;
      11  
      12    while (zw < 1)
      13      {
      14        q3 = zw * 2ul;
      15        if (q3 != 0)
      16          for (ar = 0; ar < 2; ++ar)
      17            em = dt;
      18  
      19        ++zw;
      20      }
      21  
      22    return em;
      23  }