用于进行gcc测试

				// { dg-do run }				// PR C++/29295				// make sure that a typedef for a bool will have the				//  the same results as a bool itself.								extern "C" void abort();				typedef bool my_bool;				int main()				{ 				  my_bool b = false;				  int i;								  b++;				  b++;				  i = b;				  if (i != 1)				    abort ();				  return 0;				}