libstdc++-v3/testsuite/20_util/move_if_noexcept/constexpr.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2012-2016 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <utility>
  21 #include <testsuite_hooks.h>
  22
  23 struct simple
  24 {
  25   int i;
  26 };
  27
  28 void
  29 test01()
  30 {
  31   bool test __attribute__((unused)) = true;
  32
  33   constexpr simple s { 5 };
  34   constexpr auto s2  __attribute__((unused)) = std::move_if_noexcept(s);
  35 }
  36
  37 int main()
  38 {
  39   test01();
  40   return 0;
  41 }