// Copyright David Abrahams 2002.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include 
#include 
#include 
#include 
#include "test_class.hpp"
#if __GNUC__ != 2
# include 
#else
# include 
#endif

typedef test_class X;
typedef test_class Y;

std::ostream& operator