libstdc++-v3/testsuite/20_util/variant/85183.cc

   1 // Copyright (C) 2018-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile { target c++17 } }
  19
  20 #include <variant>
  21
  22 struct moveonly {
  23   moveonly() noexcept { }
  24   moveonly(moveonly&&) noexcept { }
  25   moveonly& operator=(moveonly&&) noexcept { return *this; }
  26   ~moveonly() { }
  27 };
  28
  29 void
  30 test01()
  31 {
  32   std::variant<moveonly> v1, v2;
  33   v1 = std::move(v2); // PR libstdc++/85183
  34 }