boost/tools/regression/test/compile-fail.cpp

//  (C) Copyright Beman Dawes 2003. Permission to copy,
//  use, modify, sell and distribute this software is granted provided this
//  copyright notice appears in all copies. This software is provided "as is"
//  without express or implied warranty, and with no claim as to its
//  suitability for any purpose.

#error example of a compile failure