text: // { dg-do compile { target c++11 } }
  
  // Copyright (C) 2012-2020 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
  // <http://www.gnu.org/licenses/>.
  
  // 23.3.4.2 forward_list construction [forwardlist.cons]
  
  #include <forward_list>
  
  bool fail = false;
  
  struct NonCopyAssignable
  {
    NonCopyAssignable() = default;
    NonCopyAssignable(const NonCopyAssignable&) = default;
    NonCopyAssignable(int) { }
  
    NonCopyAssignable& operator=(const NonCopyAssignable&) = delete;
    NonCopyAssignable& operator=(int) = delete;
  };
  
  void test01()
  {
    typedef std::forward_list<NonCopyAssignable> list;
  
    list l(2);
    NonCopyAssignable from[2];
    int from2[2];
  
    // Assigning non-Assignable elements is QoI, not required by the standard.
  
    l = l;
  
    l.assign(from, from+2);
    l.assign(2, from[0]);
  
    l.assign(from2, from2+2);
    l.assign(2, from2[0]);
  }
  
  int main()
  {
    test01();
  }
  