1  /* PR 17635 */
       2  /* Contributed by Devang Patel  <dpatel@apple.com>  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-O2 -ftree-vectorize" } */
       5  
       6  void foo(int i)
       7  {
       8    while (1)
       9      if (i) ++i;
      10  }
      11