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// Copyright (C) 2015-2019 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 compile { target c++11 } }

// libstdc++/65760
// c.f. https://gcc.gnu.org/ml/libstdc++/2015-04/msg00116.html

#include <functional>

struct C {
    C() = default;

    C(std::function<C(int)>);
    C(std::function<C(int, int)>);
    C operator()(int);
    C operator()(int, int);
};

int main() {
    C c = C();
}