1// { dg-do compile } 2// { dg-options "-Wno-conversion-null" } 3// 2001-02-06 Benjamin Kosnik <bkoz@redhat.com> 4 5// Copyright (C) 2001-2015 Free Software Foundation, Inc. 6// 7// This file is part of the GNU ISO C++ Library. This library is free 8// software; you can redistribute it and/or modify it under the 9// terms of the GNU General Public License as published by the 10// Free Software Foundation; either version 3, or (at your option) 11// any later version. 12 13// This library is distributed in the hope that it will be useful, 14// but WITHOUT ANY WARRANTY; without even the implied warranty of 15// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16// GNU General Public License for more details. 17 18// You should have received a copy of the GNU General Public License along 19// with this library; see the file COPYING3. If not see 20// <http://www.gnu.org/licenses/>. 21 22#include <cstddef> 23 24namespace gnu 25{ 26 struct test_type 27 { 28 int i; 29 int j; 30 }; 31 32 // offsetof 33 void test01() 34 { 35 std::size_t i __attribute__((unused)) = offsetof(struct test_type, i); 36#ifndef offsetof 37 #error "offsetof_must_be_a_macro" 38#endif 39 } 40 41 // NULL 42 void test02() 43 { 44 // Must not be (void*)0 45 const int j __attribute__((unused)) = NULL; 46 47#ifndef NULL 48 #error "NULL_must_be_a_macro" 49#endif 50 } 51} 52