1  /* { dg-do compile } */
       2  /* { dg-options "-O -funswitch-loops" } */
       3  
       4  void
       5  jh (unsigned int aw, int sn)
       6  {
       7    int xs;
       8  
       9    for (xs = 0; xs < 1; ++xs)
      10      aw &= 1;
      11  
      12    while (aw < 1 || ++sn < 1)
      13      {
      14      }
      15  }