1// { dg-do compile } 2// -*- C++ -*- 3 4// Copyright (C) 2006-2015 Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11// 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16// 17// You should have received a copy of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21#include <ext/type_traits.h> 22#include <tr1/type_traits> 23 24template<typename T> 25 void 26 check_add_unsigned() 27 { 28 typedef typename __gnu_cxx::__add_unsigned<T>::__type unsigned_type; 29 } 30 31int main() 32{ 33 check_add_unsigned<float>(); // { dg-error "required from" } 34 return 0; 35} 36 37// { dg-error "required from" "" { target *-*-* } 28 } 38// { dg-error "no type" "" { target *-*-* } 69 } 39