/* The bit-field below would have a problem if __INT_MAX__ is too   small.  */#if __INT_MAX__ < 2147483647intmain (void){  exit (0);}#elsestruct foo{  unsigned b31 : 1;  unsigned b30 : 1;  unsigned b29 : 1;  unsigned b28 : 1;  unsigned rest : 28;};foo(a)     struct foo a;{  return a.b30;}#endif