1 /*============================================================================= 2 Boost.Wave: A Standard compliant C++ preprocessor library 3 http://www.boost.org/ 4 5 Copyright (c) 2020 Jeff Trull. Distributed under the Boost 6 Software License, Version 1.0. (See accompanying file 7 LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 8 =============================================================================*/ 9 10 // Test error reporting during redefinition of '__has_include' 11 12 //O --c++17 13 //O -Werror 14 15 #define __has_include(X) something 16 //E t_2_028.cpp(15): warning: this predefined name may not be redefined: __has_include 17