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// Copyright (C) 2020-2022 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 x86_64-*-linux* } }
// { dg-add-options no_pch }
// Names taken from coding_style.bad_identifiers in the libstdc++ manual.
// We can't test this on all targets, because these names are used in
// non-GCC system headers. Test on x86_64-linux where we know these particular
// names aren't used.
// For Solaris:
#define _B _B is a BADNAME
#define _C _C is a BADNAME
#define _L _L is a BADNAME
#define _N _N is a BADNAME
#define _P _P is a BADNAME
#define _S _S is a BADNAME
#define _U _U is a BADNAME
#define _X _X is a BADNAME
#define _E1 _E1 is a BADNAME
#define _E2 _E2 is a BADNAME
#define _E3 _E3 is a BADNAME
#define _E4 _E4 is a BADNAME
#define _E5 _E5 is a BADNAME
#define _E6 _E6 is a BADNAME
#define _E7 _E7 is a BADNAME
#define _E8 _E8 is a BADNAME
#define _E9 _E9 is a BADNAME
#define _E10 _E10 is a BADNAME
#define _E11 _E11 is a BADNAME
#define _E12 _E12 is a BADNAME
#define _E13 _E13 is a BADNAME
#define _E14 _E14 is a BADNAME
#define _E15 _E15 is a BADNAME
#define _E16 _E16 is a BADNAME
#define _E17 _E17 is a BADNAME
#define _E18 _E18 is a BADNAME
#define _E19 _E19 is a BADNAME
#define _E20 _E20 is a BADNAME
#define _E21 _E21 is a BADNAME
#define _E22 _E22 is a BADNAME
#define _E23 _E23 is a BADNAME
#define _E24 _E24 is a BADNAME
// Irix adds:
#define _A _A is a BADNAME
#define _G _G is a BADNAME
// MS adds:
#define _T _T is a BADNAME
#define __deref __deref is a BADNAME
// BSD adds:
#define __used __used is a BADNAME
#define __unused __unused is a BADNAME
// __inline (glibc uses this so can't test here)
// _Complex (glibc uses this so can't test here)
#define __istype __istype is a BADNAME
#define __maskrune __maskrune is a BADNAME
#define __tolower __tolower is a BADNAME
#define __toupper __toupper is a BADNAME
#define __wchar_t __wchar_t is a BADNAME
#define __wint_t __wint_t is a BADNAME
// _res
// _res_ext
// __tg_*
// VxWorks adds:
#define _C2 _C2 is a BADNAME
#include <bits/stdc++.h>
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