// <experimental/deque> -*- C++ -*-
-// Copyright (C) 2015-2019 Free Software Foundation, Inc.
+// Copyright (C) 2015-2024 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
#pragma GCC system_header
+#include <bits/requires_hosted.h> // experimental is currently omitted
+
#if __cplusplus >= 201402L
#include <deque>