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// { dg-do compile }
// -*- C++ -*-
// Copyright (C) 2006-2018 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 <ext/type_traits.h>
#include <tr1/type_traits>
template<typename T>
void
check_add_unsigned()
{
typedef typename __gnu_cxx::__add_unsigned<T>::__type unsigned_type;
}
int main()
{
check_add_unsigned<float>(); // { dg-error "required from" }
return 0;
}
// { dg-error "required from" "" { target *-*-* } 28 }
// { dg-error "no type" "" { target *-*-* } 71 }
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