用于进行gcc测试

				// { dg-do compile }								// Copyright (C) 2003 Free Software Foundation, Inc.				// Contributed by Nathan Sidwell 28 Jan 2003 								// PR 3902. More type/decl confusion.								template 				struct S				{				  S foo (T (T));				  S foo (T(const T&));				};								int main ()				{				  S (S::*pf1)(int (int)) = &S::foo;				  S (S::*pf2)(int (const int&)) = &S::foo;				}