Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

				// { dg-do run }								// Copyright (C) 2003 Free Software Foundation, Inc.				// Contributed by Nathan Sidwell 23 Jan 2003 								// PR9415. Forgot a lookup was scoped								int here;				int there;								struct B				{				  virtual int activate() {return !here++;}				};								template 				struct TPL : public B				{				  int activate()				  {				    return !there++ && B::activate();				  }				};								int main ()				{				  TPL i;				  return !i.activate ();				}