FM / debug

/usr/include/c++/8/debug

Name	Size	Mode	Actions
array	10379	0644	edit dl rm
assertions.h	2411	0644	edit dl rm
bitset	11903	0644	edit dl rm
debug.h	5221	0644	edit dl rm
deque	17406	0644	edit dl rm
formatter.h	14277	0644	edit dl rm
forward_list	25669	0644	edit dl rm
functions.h	16591	0644	edit dl rm
helper_functions.h	6813	0644	edit dl rm
list	22806	0644	edit dl rm
macros.h	17872	0644	edit dl rm
map	1345	0644	edit dl rm
map.h	22528	0644	edit dl rm
multimap.h	19715	0644	edit dl rm
multiset.h	18632	0644	edit dl rm
safe_base.h	9279	0644	edit dl rm
safe_container.h	3413	0644	edit dl rm
safe_iterator.h	30248	0644	edit dl rm
safe_iterator.tcc	2959	0644	edit dl rm
safe_local_iterator.h	16229	0644	edit dl rm
safe_local_iterator.tcc	2118	0644	edit dl rm
safe_sequence.h	5096	0644	edit dl rm
safe_sequence.tcc	4989	0644	edit dl rm
safe_unordered_base.h	6895	0644	edit dl rm
safe_unordered_container.h	3897	0644	edit dl rm
safe_unordered_container.tcc	3263	0644	edit dl rm
set	1345	0644	edit dl rm
set.h	18711	0644	edit dl rm
stl_iterator.h	4276	0644	edit dl rm
string	33653	0644	edit dl rm
unordered_map	42058	0644	edit dl rm
unordered_set	35805	0644	edit dl rm
vector	22332	0644	edit dl rm

Edit: /usr/include/c++/8/debug/set (1345B)

// Debugging set/multiset implementation -*- C++ -*-

// Copyright (C) 2003-2018 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.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file debug/set
 *  This file is a GNU debug extension to the Standard C++ Library.
 */

#ifndef _GLIBCXX_DEBUG_SET
#define _GLIBCXX_DEBUG_SET 1

#pragma GCC system_header

#include <set>
#include <debug/set.h>
#include <debug/multiset.h>

#endif

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