1  /* The bit-field below would have a problem if __INT_MAX__ is too
       2     small.  */
       3  #if __INT_MAX__ < 2147483647
       4  int
       5  main (void)
       6  {
       7    exit (0);
       8  }
       9  #else
      10  struct S
      11  {
      12    int a:3;
      13    unsigned b:1, c:28;
      14  };
      15  
      16  struct S x = {1, 1, 1};
      17  
      18  main ()
      19  {
      20    x = (struct S) {b:0, a:0, c:({ struct S o = x; o.a == 1 ? 10 : 20;})};
      21    if (x.c != 10)
      22      abort ();
      23    exit (0);
      24  }
      25  #endif