1  /* PR tree-optimization/103417 */
       2  
       3  struct { int a : 8; int b : 24; } c = { 0, 1 };
       4  
       5  int
       6  main ()
       7  {
       8    if (c.b && !c.b)
       9      __builtin_abort ();
      10    return 0;
      11  }