libstdc++-v3/testsuite/25_algorithms/move_backward/69478.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2016-2025 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 // PR libstdc++/69478
  21
  22 #include <algorithm>
  23 #include <iterator>
  24
  25 void
  26 test01()
  27 {
  28   // A move-only type that is also a trivial class.
  29   struct trivial_rvalstruct
  30   {
  31     trivial_rvalstruct() = default;
  32     trivial_rvalstruct(trivial_rvalstruct&&) = default;
  33     trivial_rvalstruct& operator=(trivial_rvalstruct&&) = default;
  34   };
  35   static_assert(std::is_trivially_default_constructible<trivial_rvalstruct>::value, "");
  36   static_assert(std::is_trivially_copyable<trivial_rvalstruct>::value, "");
  37
  38   trivial_rvalstruct a[1], b[1];
  39   std::move_backward(a, a + 1, b + 1);
  40 }
  41 // { dg-prune-output "use of deleted" }