1  /* { dg-do compile } */
       2  /* { dg-options "-c -O3" { target *-*-* } } */
       3  
       4  int ffesum (void) {
       5    int ch[4], ii, jj, kk;
       6    char asc[32];
       7  
       8    for (ii = 0; ii < 4; ii++)
       9      {
      10        for (jj = 0; jj < 4; jj++)
      11          ch[jj] = ii;
      12        for (kk = 0; kk < 13; kk++)
      13          for (jj = 0; jj < 4; jj += 2)
      14            if ((unsigned char) ch[jj] || (unsigned char) ch[jj + 1])
      15              ch[jj]++;
      16        for (jj = 0; jj < 4; jj++)
      17          asc[4 * jj + ii] = ch[jj];
      18      }
      19    return asc[0];
      20  }