// Copyright (C) 2015-2019 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . // { dg-do compile { target c++11 } } #include class Empty { }; using std::tuple; using char_pair = tuple; static_assert( sizeof(tuple) == sizeof(char_pair), "Nested tuple tuple> is too big"); static_assert( sizeof(tuple) == (2 * sizeof(char_pair)), "Nested tuple> is too big" );