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// Copyright (C) 2017-2022 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 }
// { dg-add-options no_pch }
// Define macros for some common variables names that we must not use for
// naming variables, parameters etc. in the library.
#define A (
#define B (
#define C (
#define D (
#define E (
#define F (
#define G (
#define H (
#define I (
#define J (
#define K (
#define L (
#define M (
#define N (
#define O (
#define P (
#define Q (
#define R (
#define S (
#define T (
#define U (
#define V (
#define W (
#define X (
#define Y (
#define Z (
#if __cplusplus >= 201103L
// <random> defines member functions called a() and b()
#else
#define a (
#define b (
#endif
// <queue> and <stack> defined data members called c
#if __cplusplus <= 201703L
// <chrono> defines operator""d in C++20
#define d (
// <numbers> defines std::numbers::e in C++20
#define e (
#endif
#define f (
#define g (
#if __cplusplus >= 201402L
// <chrono> defines operator ""h in C++14
// <complex> defines operator ""i in C++14
#else
#define h (
#define i (
#endif
#define j (
#if __cplusplus >= 201103L
// <random> defines member functions called k()
#else
#define k (
#endif
#define l (
#if __cplusplus >= 201103L
// <random> defines member functions called m() and n()
#else
#define m (
#define n (
#endif
#define o (
#if __cplusplus >= 201103L
// <random> defines member functions called p()
#else
#define p (
#endif
#define q (
#define r (
#if __cplusplus >= 201103L
// <random> defines member functions called s() and t()
// <chrono> and <string> define operator ""s in C++14
#else
#define s (
#define t (
#endif
#define u (
#define v (
#define w (
#define x (
#if __cplusplus <= 201703L
// <chrono> defines operator""y in C++20
#define y (
#endif
#define z (
#define func (
#define tmp (
#define sz (
#define token (
#if __cplusplus < 201103L
#define uses_allocator (
#endif
#if __cplusplus < 201402L
// <complex> defines operator""il
#define il (
#endif
#if __cplusplus < 201703L
// <charconv> defines to_chars_result::ptr and to_chars_result::ec
#define ec (
#define ptr (
#endif
// This clashes with newlib so don't use it.
# define __lockable cannot be used as an identifier
// Common template parameter names
#define OutputIterator OutputIterator is not a reserved name
#define InputIterator InputIterator is not a reserved name
#define ForwardIterator ForwardIterator is not a reserved name
#define BidirectionalIterator BidirectionalIterator is not a reserved name
#define RandomAccessIterator RandomAccessIterator is not a reserved name
#define RandomAccessOutputIterator RandomAccessOutputIterator is not a reserved name
#define RAI RAI is not a reserved name
#define RAIter RAIter is not a reserved name
#define FwdIter FwdIter is not a reserved name
#define OutIter OutIter is not a reserved name
#define InIter InIter is not a reserved name
#define Alloc Alloc is not a reserved name
#define BinaryFunction1 BinaryFunction1 is not a reserved name
#define BinaryFunction2 BinaryFunction2 is not a reserved name
#define Char Char is not a reserved name
#define CharT CharT is not a reserved name
#define Cmp Cmp is not a reserved name
#define Compare Compare is not a reserved name
#define Const_Iterator Const_Iterator is not a reserved name
#define Const_Key_Reference Const_Key_Reference is not a reserved name
#define Const_Node_Iter Const_Node_Iter is not a reserved name
#define Const_Pointer Const_Pointer is not a reserved name
#define Const_Reference Const_Reference is not a reserved name
#define Data Data is not a reserved name
#define DiffType DiffType is not a reserved name
#define Eq Eq is not a reserved name
#define ExecPolicy ExecPolicy is not a reserved name
#define Expected Expected is not a reserved name
#define External_Load_Access External_Load_Access is not a reserved name
#define External_Size_Access External_Size_Access is not a reserved name
#define Fn Fn is not a reserved name
#define Function Function is not a reserved name
#define Functor Functor is not a reserved name
#define Hash Hash is not a reserved name
#define H1 H1 is not a reserved name
#define H2 H2 is not a reserved name
#define Head Head is not a reserved name
#define It It is not a reserved name
#define Iter Iter is not a reserved name
#define Iterator Iterator is not a reserved name
#define Key Key is not a reserved name
#define Mapped Mapped is not a reserved name
#define Node Node is not a reserved name
#define Node_iter Node_iter is not a reserved name
#define Node_ptr Node_ptr is not a reserved name
#define Overflow Overflow is not a reserved name
#define Pointer Pointer is not a reserved name
#define Policy Policy is not a reserved name
#define Pred Pred is not a reserved name
#define Ptr Ptr is not a reserved name
#define Reference Reference is not a reserved name
#define Seq Seq is not a reserved name
#define Seq_RAIter Seq_RAIter is not a reserved name
#define Series Series is not a reserved name
#define Set Set is not a reserved name
#define String String is not a reserved name
#define Tp Tp is not a reserved name
#define Traits Traits is not a reserved name
#define Type Type is not a reserved name
#define Value Value is not a reserved name
#define ValueT ValueT is not a reserved name
#define ValueType ValueType is not a reserved name
#ifdef _AIX
// See https://gcc.gnu.org/ml/libstdc++/2017-03/msg00015.html
#undef f
#undef r
#undef x
#undef y
// <sys/var.h> defines vario::v
#undef v
#endif
#ifdef __APPLE__
// inttypes.h: extern intmax_t imaxabs(intmax_t j);
#undef j
#endif
#ifdef __hpux__
#undef d
#undef r
#endif
#if defined (__linux__) && defined (__arm__)
// <sys/ucontext.h> defines fpregset_t::fpregs::j
#undef j
#endif
#if defined (__linux__) && defined (__powerpc__)
// <asm/types.h> defines __vector128::u
#undef u
#endif
#if defined (__linux__) && defined (__sparc__)
#undef y
#endif
#if __has_include(<newlib.h>)
// newlib's <sys/cdefs.h> defines __lockable as a macro.
#undef __lockable
// newlib's <time.h> defines __tzrule_type with these members.
#undef d
#undef m
#undef n
#undef s
// newlib's <math.h> uses this for parameters
#undef x
// newlib's <inttypes.h> uses this for parameters
#undef j
#endif
#ifdef __sun__
// <fenv.h> defines these as members of fex_numeric_t
#undef l
#undef f
#undef d
#undef q
#undef p
// See https://gcc.gnu.org/ml/libstdc++/2019-05/msg00175.html
#undef ptr
// <sys/timespec_util.h> uses this as parameter
#undef r
// <stdlib.h> uses this as member of drand48_data
#undef x
#endif
#ifdef __VXWORKS__
#include <_vxworks-versions.h>
// Some VxWorks 6 or 7 headers are using those.
// private/objLibP.h
#undef u
// arch/ppc/ffs/ArchLib.h
#undef i
#undef j
// math.h
#undef x
#undef y
// stdio.h
#undef ptr
// VxWorks >= 7 specificities
#if _VXWORKS_MAJOR_GE(7)
// regs.h regs structure has a field 'r'
#undef r
#ifndef __RTP__
// in bootLib.h, bootParamCheck has parameters x, a-f
#undef a
#undef b
#undef c
#undef d
#undef e
#undef f
#endif // __RTP__
#endif // VxWorks Major >= 7
#endif // __VXWORKS__
#ifdef _WIN32
#undef Value
// <stdlib.h> defines _CRT_FLOAT::f
#undef f
// <stdlib.h> defines _CRT_DOUBLE::x and _LONGDOUBLE::x
#undef x
// <math.h> defines _complex::x and _complex::y
#undef y
#endif
#include <bits/stdc++.h>