// Copyright (C) 2014-2021 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/>.

// { dg-do run { target c++11 } }
// { dg-add-options using-deprecated }
// { dg-require-debug-mode "" }

// libstdc++/59603

#include <algorithm>
#include <vector>

struct C {
    std::vector<int> v;
    C (int a) : v{a} {};
};

int main () {
    std::vector<C> cs { {1}, {2}, {3}, {4} };
    std::random_shuffle(cs.begin(), cs.end());
}