this is a gcc file, you can download it and learn its usetility, for further detail please look at t

				// { dg-do compile }								// Copyright (C) 2001, 2002 Free Software Foundation, Inc.				// Contributed by Nathan Sidwell 29 Dec 2001 								// PR 5125. ICE								class S				{				  public:				  template  void Foo(int (*f)(S& o) ); // { dg-error "candidate" "" }				};								template 				void S::Foo(int (*f)(TYPO&o) )				{ // { dg-error "template definition|variable declaration|prototype" "" }				}