1  /* PR tree-optimization/81661 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O3 -ftrapv" } */
       4  
       5  int a, b, c;
       6  
       7  void
       8  foo (void)
       9  {
      10    while (a + c > b)
      11      a--;
      12  }