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/*=============================================================================
Boost.Wave: A Standard compliant C++ preprocessor library
http://www.boost.org/
Copyright (c) 2020 Jeff Trull. 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)
=============================================================================*/
// Check for malformed computed includes
//O --c++17
//O -Werror
// macro that does *not* evaluate to a quoted or bracketed string
#define FOO BAR
#if __has_include(FOO)
#warning for some reason has_include likes this non-file-looking macro
#endif
//E t_2_030.cpp(17): error: ill formed __has_include expression: BAR
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