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// { dg-options "-std=gnu++17" }
// { dg-do compile { target c++1z } }
// Copyright (C) 2011-2017 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/>.
#include <chrono>
#include <testsuite_common_types.h>
#ifndef __cpp_lib_chrono
# error "Feature-test macro for constexpr <chrono> missing"
#elif __cpp_lib_chrono != 201611
# error "Feature-test macro for constexpr <chrono> has wrong value"
#endif
constexpr auto test_operators()
{
std::chrono::nanoseconds d1 { 1 };
d1++;
++d1;
d1--;
--d1;
auto d2(d1);
d1+=d2;
d1-=d2;
d1*=1;
d1/=1;
d1%=1;
d1%=d2;
return d1;
}
constexpr auto d4 = test_operators();
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