Merge pull request #22780 from ziglang/llvm20

LLVM 20

1 files changed, 54 insertions, 2711 deletions

diff --git a/lib/libcxx/include/vector b/lib/libcxx/include/vector
index 4d83d4b6ed..9fa81dcb7e 100644
--- a/lib/libcxx/include/vector
+++ b/lib/libcxx/include/vector
@@ -170,7 +170,7 @@ public:
 
     vector()
         noexcept(is_nothrow_default_constructible<allocator_type>::value);
-    explicit vector(const allocator_type&);
+    explicit vector(const allocator_type&) noexcept;
     explicit vector(size_type n, const allocator_type& a = allocator_type()); // C++14
     vector(size_type n, const value_type& value, const allocator_type& = allocator_type());
     template <class InputIterator>
@@ -178,8 +178,7 @@ public:
     template<container-compatible-range<bool> R>
       constexpr vector(from_range_t, R&& rg, const Allocator& = Allocator());
     vector(const vector& x);
-    vector(vector&& x)
-        noexcept(is_nothrow_move_constructible<allocator_type>::value);
+    vector(vector&& x) noexcept;
     vector(initializer_list<value_type> il);
     vector(initializer_list<value_type> il, const allocator_type& a);
     ~vector();
@@ -305,2727 +304,71 @@ template<class T, class charT> requires is-vector-bool-reference<T> // Since C++
 
 // clang-format on
 
-#include <__algorithm/copy.h>
-#include <__algorithm/equal.h>
-#include <__algorithm/fill_n.h>
-#include <__algorithm/iterator_operations.h>
-#include <__algorithm/lexicographical_compare.h>
-#include <__algorithm/lexicographical_compare_three_way.h>
-#include <__algorithm/remove.h>
-#include <__algorithm/remove_if.h>
-#include <__algorithm/rotate.h>
-#include <__algorithm/unwrap_iter.h>
-#include <__assert>
-#include <__bit_reference>
-#include <__concepts/same_as.h>
-#include <__config>
-#include <__debug_utils/sanitizers.h>
-#include <__format/enable_insertable.h>
-#include <__format/formatter.h>
-#include <__format/formatter_bool.h>
-#include <__functional/hash.h>
-#include <__functional/unary_function.h>
-#include <__fwd/vector.h>
-#include <__iterator/advance.h>
-#include <__iterator/bounded_iter.h>
-#include <__iterator/distance.h>
-#include <__iterator/iterator_traits.h>
-#include <__iterator/reverse_iterator.h>
-#include <__iterator/wrap_iter.h>
-#include <__memory/addressof.h>
-#include <__memory/allocate_at_least.h>
-#include <__memory/allocator_traits.h>
-#include <__memory/pointer_traits.h>
-#include <__memory/swap_allocator.h>
-#include <__memory/temp_value.h>
-#include <__memory/uninitialized_algorithms.h>
-#include <__memory_resource/polymorphic_allocator.h>
-#include <__ranges/access.h>
-#include <__ranges/concepts.h>
-#include <__ranges/container_compatible_range.h>
-#include <__ranges/from_range.h>
-#include <__ranges/size.h>
-#include <__split_buffer>
-#include <__type_traits/is_allocator.h>
-#include <__type_traits/is_constructible.h>
-#include <__type_traits/is_nothrow_assignable.h>
-#include <__type_traits/noexcept_move_assign_container.h>
-#include <__type_traits/type_identity.h>
-#include <__utility/exception_guard.h>
-#include <__utility/forward.h>
-#include <__utility/is_pointer_in_range.h>
-#include <__utility/move.h>
-#include <__utility/pair.h>
-#include <__utility/swap.h>
-#include <climits>
-#include <cstring>
-#include <limits>
-#include <stdexcept>
-#include <version>
-
-// standard-mandated includes
-
-// [iterator.range]
-#include <__iterator/access.h>
-#include <__iterator/data.h>
-#include <__iterator/empty.h>
-#include <__iterator/reverse_access.h>
-#include <__iterator/size.h>
-
-// [vector.syn]
-#include <compare>
-#include <initializer_list>
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#  pragma GCC system_header
-#endif
-
-_LIBCPP_PUSH_MACROS
-#include <__undef_macros>
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-template <class _Tp, class _Allocator /* = allocator<_Tp> */>
-class _LIBCPP_TEMPLATE_VIS vector {
-private:
-  typedef allocator<_Tp> __default_allocator_type;
-
-public:
-  typedef vector __self;
-  typedef _Tp value_type;
-  typedef _Allocator allocator_type;
-  typedef allocator_traits<allocator_type> __alloc_traits;
-  typedef value_type& reference;
-  typedef const value_type& const_reference;
-  typedef typename __alloc_traits::size_type size_type;
-  typedef typename __alloc_traits::difference_type difference_type;
-  typedef typename __alloc_traits::pointer pointer;
-  typedef typename __alloc_traits::const_pointer const_pointer;
-#ifdef _LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR
-  // Users might provide custom allocators, and prior to C++20 we have no existing way to detect whether the allocator's
-  // pointer type is contiguous (though it has to be by the Standard). Using the wrapper type ensures the iterator is
-  // considered contiguous.
-  typedef __bounded_iter<__wrap_iter<pointer>> iterator;
-  typedef __bounded_iter<__wrap_iter<const_pointer>> const_iterator;
-#else
-  typedef __wrap_iter<pointer> iterator;
-  typedef __wrap_iter<const_pointer> const_iterator;
-#endif
-  typedef std::reverse_iterator<iterator> reverse_iterator;
-  typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
-
-  // A vector containers the following members which may be trivially relocatable:
-  // - pointer: may be trivially relocatable, so it's checked
-  // - allocator_type: may be trivially relocatable, so it's checked
-  // vector doesn't contain any self-references, so it's trivially relocatable if its members are.
-  using __trivially_relocatable = __conditional_t<
-      __libcpp_is_trivially_relocatable<pointer>::value && __libcpp_is_trivially_relocatable<allocator_type>::value,
-      vector,
-      void>;
-
-  static_assert(__check_valid_allocator<allocator_type>::value, "");
-  static_assert(is_same<typename allocator_type::value_type, value_type>::value,
-                "Allocator::value_type must be same type as value_type");
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector()
-      _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value) {}
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit vector(const allocator_type& __a)
-#if _LIBCPP_STD_VER <= 14
-      _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value)
-#else
-      _NOEXCEPT
-#endif
-      : __end_cap_(nullptr, __a) {
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit vector(size_type __n) {
-    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-    if (__n > 0) {
-      __vallocate(__n);
-      __construct_at_end(__n);
-    }
-    __guard.__complete();
-  }
-
-#if _LIBCPP_STD_VER >= 14
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit vector(size_type __n, const allocator_type& __a)
-      : __end_cap_(nullptr, __a) {
-    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-    if (__n > 0) {
-      __vallocate(__n);
-      __construct_at_end(__n);
-    }
-    __guard.__complete();
-  }
-#endif
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(size_type __n, const value_type& __x) {
-    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-    if (__n > 0) {
-      __vallocate(__n);
-      __construct_at_end(__n, __x);
-    }
-    __guard.__complete();
-  }
-
-  template <__enable_if_t<__is_allocator<_Allocator>::value, int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
-  vector(size_type __n, const value_type& __x, const allocator_type& __a)
-      : __end_cap_(nullptr, __a) {
-    if (__n > 0) {
-      __vallocate(__n);
-      __construct_at_end(__n, __x);
-    }
-  }
-
-  template <class _InputIterator,
-            __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                              is_constructible<value_type, typename iterator_traits<_InputIterator>::reference>::value,
-                          int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(_InputIterator __first, _InputIterator __last);
-  template <class _InputIterator,
-            __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                              is_constructible<value_type, typename iterator_traits<_InputIterator>::reference>::value,
-                          int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
-  vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a);
-
-  template <
-      class _ForwardIterator,
-      __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                        is_constructible<value_type, typename iterator_traits<_ForwardIterator>::reference>::value,
-                    int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(_ForwardIterator __first, _ForwardIterator __last);
-
-  template <
-      class _ForwardIterator,
-      __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                        is_constructible<value_type, typename iterator_traits<_ForwardIterator>::reference>::value,
-                    int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
-  vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a);
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<_Tp> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr vector(
-      from_range_t, _Range&& __range, const allocator_type& __alloc = allocator_type())
-      : __end_cap_(nullptr, __alloc) {
-    if constexpr (ranges::forward_range<_Range> || ranges::sized_range<_Range>) {
-      auto __n = static_cast<size_type>(ranges::distance(__range));
-      __init_with_size(ranges::begin(__range), ranges::end(__range), __n);
-
-    } else {
-      __init_with_sentinel(ranges::begin(__range), ranges::end(__range));
-    }
-  }
-#endif
-
-private:
-  class __destroy_vector {
-  public:
-    _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI __destroy_vector(vector& __vec) : __vec_(__vec) {}
-
-    _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void operator()() {
-      if (__vec_.__begin_ != nullptr) {
-        __vec_.__clear();
-        __vec_.__annotate_delete();
-        __alloc_traits::deallocate(__vec_.__alloc(), __vec_.__begin_, __vec_.capacity());
-      }
-    }
-
-  private:
-    vector& __vec_;
-  };
-
-public:
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI ~vector() { __destroy_vector (*this)(); }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(const vector& __x);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
-  vector(const vector& __x, const __type_identity_t<allocator_type>& __a);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector& operator=(const vector& __x);
-
-#ifndef _LIBCPP_CXX03_LANG
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(initializer_list<value_type> __il);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
-  vector(initializer_list<value_type> __il, const allocator_type& __a);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector& operator=(initializer_list<value_type> __il) {
-    assign(__il.begin(), __il.end());
-    return *this;
-  }
-#endif // !_LIBCPP_CXX03_LANG
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(vector&& __x)
-#if _LIBCPP_STD_VER >= 17
-      noexcept;
-#else
-      _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
-#endif
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
-  vector(vector&& __x, const __type_identity_t<allocator_type>& __a);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector& operator=(vector&& __x)
-      _NOEXCEPT_(__noexcept_move_assign_container<_Allocator, __alloc_traits>::value);
-
-  template <class _InputIterator,
-            __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                              is_constructible<value_type, typename iterator_traits<_InputIterator>::reference>::value,
-                          int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void assign(_InputIterator __first, _InputIterator __last);
-  template <
-      class _ForwardIterator,
-      __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                        is_constructible<value_type, typename iterator_traits<_ForwardIterator>::reference>::value,
-                    int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void assign(_ForwardIterator __first, _ForwardIterator __last);
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<_Tp> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr void assign_range(_Range&& __range) {
-    if constexpr (ranges::forward_range<_Range> || ranges::sized_range<_Range>) {
-      auto __n = static_cast<size_type>(ranges::distance(__range));
-      __assign_with_size(ranges::begin(__range), ranges::end(__range), __n);
-
-    } else {
-      __assign_with_sentinel(ranges::begin(__range), ranges::end(__range));
-    }
-  }
-#endif
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void assign(size_type __n, const_reference __u);
-
-#ifndef _LIBCPP_CXX03_LANG
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void assign(initializer_list<value_type> __il) {
-    assign(__il.begin(), __il.end());
-  }
-#endif
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI allocator_type get_allocator() const _NOEXCEPT {
-    return this->__alloc();
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT;
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reverse_iterator rbegin() _NOEXCEPT {
-    return reverse_iterator(end());
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator rbegin() const _NOEXCEPT {
-    return const_reverse_iterator(end());
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reverse_iterator rend() _NOEXCEPT {
-    return reverse_iterator(begin());
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator rend() const _NOEXCEPT {
-    return const_reverse_iterator(begin());
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const _NOEXCEPT { return begin(); }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator cend() const _NOEXCEPT { return end(); }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator crbegin() const _NOEXCEPT {
-    return rbegin();
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reverse_iterator crend() const _NOEXCEPT { return rend(); }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI size_type size() const _NOEXCEPT {
-    return static_cast<size_type>(this->__end_ - this->__begin_);
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI size_type capacity() const _NOEXCEPT {
-    return static_cast<size_type>(__end_cap() - this->__begin_);
-  }
-  _LIBCPP_NODISCARD _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI bool empty() const _NOEXCEPT {
-    return this->__begin_ == this->__end_;
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void reserve(size_type __n);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void shrink_to_fit() _NOEXCEPT;
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference operator[](size_type __n) _NOEXCEPT;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference operator[](size_type __n) const _NOEXCEPT;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference at(size_type __n);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference at(size_type __n) const;
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference front() _NOEXCEPT {
-    _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(!empty(), "front() called on an empty vector");
-    return *this->__begin_;
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference front() const _NOEXCEPT {
-    _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(!empty(), "front() called on an empty vector");
-    return *this->__begin_;
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference back() _NOEXCEPT {
-    _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(!empty(), "back() called on an empty vector");
-    return *(this->__end_ - 1);
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference back() const _NOEXCEPT {
-    _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(!empty(), "back() called on an empty vector");
-    return *(this->__end_ - 1);
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI value_type* data() _NOEXCEPT {
-    return std::__to_address(this->__begin_);
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const value_type* data() const _NOEXCEPT {
-    return std::__to_address(this->__begin_);
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void push_back(const_reference __x);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void push_back(value_type&& __x);
-
-  template <class... _Args>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
-#if _LIBCPP_STD_VER >= 17
-  reference
-  emplace_back(_Args&&... __args);
-#else
-  void
-  emplace_back(_Args&&... __args);
-#endif
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<_Tp> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr void append_range(_Range&& __range) {
-    insert_range(end(), std::forward<_Range>(__range));
-  }
-#endif
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void pop_back();
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __position, const_reference __x);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __position, value_type&& __x);
-  template <class... _Args>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator emplace(const_iterator __position, _Args&&... __args);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  insert(const_iterator __position, size_type __n, const_reference __x);
-
-  template <class _InputIterator,
-            __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                              is_constructible< value_type, typename iterator_traits<_InputIterator>::reference>::value,
-                          int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  insert(const_iterator __position, _InputIterator __first, _InputIterator __last);
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<_Tp> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr iterator insert_range(const_iterator __position, _Range&& __range) {
-    if constexpr (ranges::forward_range<_Range> || ranges::sized_range<_Range>) {
-      auto __n = static_cast<size_type>(ranges::distance(__range));
-      return __insert_with_size(__position, ranges::begin(__range), ranges::end(__range), __n);
-
-    } else {
-      return __insert_with_sentinel(__position, ranges::begin(__range), ranges::end(__range));
-    }
-  }
-#endif
-
-  template <
-      class _ForwardIterator,
-      __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                        is_constructible< value_type, typename iterator_traits<_ForwardIterator>::reference>::value,
-                    int> = 0>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last);
-
-#ifndef _LIBCPP_CXX03_LANG
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  insert(const_iterator __position, initializer_list<value_type> __il) {
-    return insert(__position, __il.begin(), __il.end());
-  }
-#endif
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __position);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __first, const_iterator __last);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void clear() _NOEXCEPT {
-    size_type __old_size = size();
-    __clear();
-    __annotate_shrink(__old_size);
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void resize(size_type __sz);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void resize(size_type __sz, const_reference __x);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void swap(vector&)
-#if _LIBCPP_STD_VER >= 14
-      _NOEXCEPT;
-#else
-      _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<allocator_type>);
-#endif
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI bool __invariants() const;
-
-private:
-  pointer __begin_ = nullptr;
-  pointer __end_   = nullptr;
-  __compressed_pair<pointer, allocator_type> __end_cap_ =
-      __compressed_pair<pointer, allocator_type>(nullptr, __default_init_tag());
-
-  //  Allocate space for __n objects
-  //  throws length_error if __n > max_size()
-  //  throws (probably bad_alloc) if memory run out
-  //  Precondition:  __begin_ == __end_ == __end_cap() == 0
-  //  Precondition:  __n > 0
-  //  Postcondition:  capacity() >= __n
-  //  Postcondition:  size() == 0
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __vallocate(size_type __n) {
-    if (__n > max_size())
-      __throw_length_error();
-    auto __allocation = std::__allocate_at_least(__alloc(), __n);
-    __begin_          = __allocation.ptr;
-    __end_            = __allocation.ptr;
-    __end_cap()       = __begin_ + __allocation.count;
-    __annotate_new(0);
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __vdeallocate() _NOEXCEPT;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI size_type __recommend(size_type __new_size) const;
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __construct_at_end(size_type __n);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __construct_at_end(size_type __n, const_reference __x);
-
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __init_with_size(_InputIterator __first, _Sentinel __last, size_type __n) {
-    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-
-    if (__n > 0) {
-      __vallocate(__n);
-      __construct_at_end(__first, __last, __n);
-    }
-
-    __guard.__complete();
-  }
-
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __init_with_sentinel(_InputIterator __first, _Sentinel __last) {
-    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-
-    for (; __first != __last; ++__first)
-      emplace_back(*__first);
-
-    __guard.__complete();
-  }
-
-  template <class _Iterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __assign_with_sentinel(_Iterator __first, _Sentinel __last);
-
-  template <class _ForwardIterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __assign_with_size(_ForwardIterator __first, _Sentinel __last, difference_type __n);
-
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  __insert_with_sentinel(const_iterator __position, _InputIterator __first, _Sentinel __last);
-
-  template <class _Iterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  __insert_with_size(const_iterator __position, _Iterator __first, _Sentinel __last, difference_type __n);
-
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __construct_at_end(_InputIterator __first, _Sentinel __last, size_type __n);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __append(size_type __n);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __append(size_type __n, const_reference __x);
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator __make_iter(pointer __p) _NOEXCEPT {
-#ifdef _LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR
-    // Bound the iterator according to the capacity, rather than the size.
-    //
-    // Vector guarantees that iterators stay valid as long as no reallocation occurs even if new elements are inserted
-    // into the container; for these cases, we need to make sure that the newly-inserted elements can be accessed
-    // through the bounded iterator without failing checks. The downside is that the bounded iterator won't catch
-    // access that is logically out-of-bounds, i.e., goes beyond the size, but is still within the capacity. With the
-    // current implementation, there is no connection between a bounded iterator and its associated container, so we
-    // don't have a way to update existing valid iterators when the container is resized and thus have to go with
-    // a laxer approach.
-    return std::__make_bounded_iter(
-        std::__wrap_iter<pointer>(__p),
-        std::__wrap_iter<pointer>(this->__begin_),
-        std::__wrap_iter<pointer>(this->__end_cap()));
-#else
-    return iterator(__p);
-#endif // _LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator __make_iter(const_pointer __p) const _NOEXCEPT {
-#ifdef _LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR
-    // Bound the iterator according to the capacity, rather than the size.
-    return std::__make_bounded_iter(
-        std::__wrap_iter<const_pointer>(__p),
-        std::__wrap_iter<const_pointer>(this->__begin_),
-        std::__wrap_iter<const_pointer>(this->__end_cap()));
-#else
-    return const_iterator(__p);
-#endif // _LIBCPP_ABI_BOUNDED_ITERATORS_IN_VECTOR
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __swap_out_circular_buffer(__split_buffer<value_type, allocator_type&>& __v);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI pointer
-  __swap_out_circular_buffer(__split_buffer<value_type, allocator_type&>& __v, pointer __p);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __move_range(pointer __from_s, pointer __from_e, pointer __to);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign(vector& __c, true_type)
-      _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign(vector& __c, false_type)
-      _NOEXCEPT_(__alloc_traits::is_always_equal::value);
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __destruct_at_end(pointer __new_last) _NOEXCEPT {
-    size_type __old_size = size();
-    __base_destruct_at_end(__new_last);
-    __annotate_shrink(__old_size);
-  }
-
-  template <class _Up>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI inline pointer __push_back_slow_path(_Up&& __x);
-
-  template <class... _Args>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI inline pointer __emplace_back_slow_path(_Args&&... __args);
-
-  // The following functions are no-ops outside of AddressSanitizer mode.
-  // We call annotations for every allocator, unless explicitly disabled.
-  //
-  // To disable annotations for a particular allocator, change value of
-  // __asan_annotate_container_with_allocator to false.
-  // For more details, see the "Using libc++" documentation page or
-  // the documentation for __sanitizer_annotate_contiguous_container.
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __annotate_contiguous_container(const void* __old_mid, const void* __new_mid) const {
-    std::__annotate_contiguous_container<_Allocator>(data(), data() + capacity(), __old_mid, __new_mid);
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __annotate_new(size_type __current_size) const _NOEXCEPT {
-    (void)__current_size;
-#ifndef _LIBCPP_HAS_NO_ASAN
-    __annotate_contiguous_container(data() + capacity(), data() + __current_size);
-#endif
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __annotate_delete() const _NOEXCEPT {
-#ifndef _LIBCPP_HAS_NO_ASAN
-    __annotate_contiguous_container(data() + size(), data() + capacity());
-#endif
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __annotate_increase(size_type __n) const _NOEXCEPT {
-    (void)__n;
-#ifndef _LIBCPP_HAS_NO_ASAN
-    __annotate_contiguous_container(data() + size(), data() + size() + __n);
-#endif
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __annotate_shrink(size_type __old_size) const _NOEXCEPT {
-    (void)__old_size;
-#ifndef _LIBCPP_HAS_NO_ASAN
-    __annotate_contiguous_container(data() + __old_size, data() + size());
-#endif
-  }
-
-  struct _ConstructTransaction {
-    _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit _ConstructTransaction(vector& __v, size_type __n)
-        : __v_(__v), __pos_(__v.__end_), __new_end_(__v.__end_ + __n) {
-#ifndef _LIBCPP_HAS_NO_ASAN
-      __v_.__annotate_increase(__n);
-#endif
-    }
-
-    _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI ~_ConstructTransaction() {
-      __v_.__end_ = __pos_;
-#ifndef _LIBCPP_HAS_NO_ASAN
-      if (__pos_ != __new_end_) {
-        __v_.__annotate_shrink(__new_end_ - __v_.__begin_);
-      }
-#endif
-    }
-
-    vector& __v_;
-    pointer __pos_;
-    const_pointer const __new_end_;
-
-    _ConstructTransaction(_ConstructTransaction const&)            = delete;
-    _ConstructTransaction& operator=(_ConstructTransaction const&) = delete;
-  };
-
-  template <class... _Args>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __construct_one_at_end(_Args&&... __args) {
-    _ConstructTransaction __tx(*this, 1);
-    __alloc_traits::construct(this->__alloc(), std::__to_address(__tx.__pos_), std::forward<_Args>(__args)...);
-    ++__tx.__pos_;
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI allocator_type& __alloc() _NOEXCEPT {
-    return this->__end_cap_.second();
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const allocator_type& __alloc() const _NOEXCEPT {
-    return this->__end_cap_.second();
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI pointer& __end_cap() _NOEXCEPT {
-    return this->__end_cap_.first();
-  }
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const pointer& __end_cap() const _NOEXCEPT {
-    return this->__end_cap_.first();
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __clear() _NOEXCEPT {
-    __base_destruct_at_end(this->__begin_);
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __base_destruct_at_end(pointer __new_last) _NOEXCEPT {
-    pointer __soon_to_be_end = this->__end_;
-    while (__new_last != __soon_to_be_end)
-      __alloc_traits::destroy(__alloc(), std::__to_address(--__soon_to_be_end));
-    this->__end_ = __new_last;
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __copy_assign_alloc(const vector& __c) {
-    __copy_assign_alloc(__c, integral_constant<bool, __alloc_traits::propagate_on_container_copy_assignment::value>());
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign_alloc(vector& __c)
-      _NOEXCEPT_(!__alloc_traits::propagate_on_container_move_assignment::value ||
-                 is_nothrow_move_assignable<allocator_type>::value) {
-    __move_assign_alloc(__c, integral_constant<bool, __alloc_traits::propagate_on_container_move_assignment::value>());
-  }
-
-  _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI void __throw_length_error() const { std::__throw_length_error("vector"); }
-
-  _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI void __throw_out_of_range() const { std::__throw_out_of_range("vector"); }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __copy_assign_alloc(const vector& __c, true_type) {
-    if (__alloc() != __c.__alloc()) {
-      __clear();
-      __annotate_delete();
-      __alloc_traits::deallocate(__alloc(), this->__begin_, capacity());
-      this->__begin_ = this->__end_ = __end_cap() = nullptr;
-    }
-    __alloc() = __c.__alloc();
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __copy_assign_alloc(const vector&, false_type) {}
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign_alloc(vector& __c, true_type)
-      _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) {
-    __alloc() = std::move(__c.__alloc());
-  }
-
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign_alloc(vector&, false_type) _NOEXCEPT {}
-};
-
-#if _LIBCPP_STD_VER >= 17
-template <class _InputIterator,
-          class _Alloc = allocator<__iter_value_type<_InputIterator>>,
-          class        = enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
-          class        = enable_if_t<__is_allocator<_Alloc>::value> >
-vector(_InputIterator, _InputIterator) -> vector<__iter_value_type<_InputIterator>, _Alloc>;
-
-template <class _InputIterator,
-          class _Alloc,
-          class = enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
-          class = enable_if_t<__is_allocator<_Alloc>::value> >
-vector(_InputIterator, _InputIterator, _Alloc) -> vector<__iter_value_type<_InputIterator>, _Alloc>;
-#endif
-
-#if _LIBCPP_STD_VER >= 23
-template <ranges::input_range _Range,
-          class _Alloc = allocator<ranges::range_value_t<_Range>>,
-          class        = enable_if_t<__is_allocator<_Alloc>::value> >
-vector(from_range_t, _Range&&, _Alloc = _Alloc()) -> vector<ranges::range_value_t<_Range>, _Alloc>;
-#endif
-
-// __swap_out_circular_buffer relocates the objects in [__begin_, __end_) into the front of __v and swaps the buffers of
-// *this and __v. It is assumed that __v provides space for exactly (__end_ - __begin_) objects in the front. This
-// function has a strong exception guarantee.
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void
-vector<_Tp, _Allocator>::__swap_out_circular_buffer(__split_buffer<value_type, allocator_type&>& __v) {
-  __annotate_delete();
-  auto __new_begin = __v.__begin_ - (__end_ - __begin_);
-  std::__uninitialized_allocator_relocate(
-      __alloc(), std::__to_address(__begin_), std::__to_address(__end_), std::__to_address(__new_begin));
-  __v.__begin_ = __new_begin;
-  __end_       = __begin_; // All the objects have been destroyed by relocating them.
-  std::swap(this->__begin_, __v.__begin_);
-  std::swap(this->__end_, __v.__end_);
-  std::swap(this->__end_cap(), __v.__end_cap());
-  __v.__first_ = __v.__begin_;
-  __annotate_new(size());
-}
-
-// __swap_out_circular_buffer relocates the objects in [__begin_, __p) into the front of __v, the objects in
-// [__p, __end_) into the back of __v and swaps the buffers of *this and __v. It is assumed that __v provides space for
-// exactly (__p - __begin_) objects in the front and space for at least (__end_ - __p) objects in the back. This
-// function has a strong exception guarantee if __begin_ == __p || __end_ == __p.
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::pointer
-vector<_Tp, _Allocator>::__swap_out_circular_buffer(__split_buffer<value_type, allocator_type&>& __v, pointer __p) {
-  __annotate_delete();
-  pointer __ret = __v.__begin_;
-
-  // Relocate [__p, __end_) first to avoid having a hole in [__begin_, __end_)
-  // in case something in [__begin_, __p) throws.
-  std::__uninitialized_allocator_relocate(
-      __alloc(), std::__to_address(__p), std::__to_address(__end_), std::__to_address(__v.__end_));
-  __v.__end_ += (__end_ - __p);
-  __end_           = __p; // The objects in [__p, __end_) have been destroyed by relocating them.
-  auto __new_begin = __v.__begin_ - (__p - __begin_);
-
-  std::__uninitialized_allocator_relocate(
-      __alloc(), std::__to_address(__begin_), std::__to_address(__p), std::__to_address(__new_begin));
-  __v.__begin_ = __new_begin;
-  __end_       = __begin_; // All the objects have been destroyed by relocating them.
-
-  std::swap(this->__begin_, __v.__begin_);
-  std::swap(this->__end_, __v.__end_);
-  std::swap(this->__end_cap(), __v.__end_cap());
-  __v.__first_ = __v.__begin_;
-  __annotate_new(size());
-  return __ret;
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::__vdeallocate() _NOEXCEPT {
-  if (this->__begin_ != nullptr) {
-    clear();
-    __annotate_delete();
-    __alloc_traits::deallocate(this->__alloc(), this->__begin_, capacity());
-    this->__begin_ = this->__end_ = this->__end_cap() = nullptr;
-  }
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::size_type
-vector<_Tp, _Allocator>::max_size() const _NOEXCEPT {
-  return std::min<size_type>(__alloc_traits::max_size(this->__alloc()), numeric_limits<difference_type>::max());
-}
-
-//  Precondition:  __new_size > capacity()
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type
-vector<_Tp, _Allocator>::__recommend(size_type __new_size) const {
-  const size_type __ms = max_size();
-  if (__new_size > __ms)
-    this->__throw_length_error();
-  const size_type __cap = capacity();
-  if (__cap >= __ms / 2)
-    return __ms;
-  return std::max<size_type>(2 * __cap, __new_size);
-}
-
-//  Default constructs __n objects starting at __end_
-//  throws if construction throws
-//  Precondition:  __n > 0
-//  Precondition:  size() + __n <= capacity()
-//  Postcondition:  size() == size() + __n
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::__construct_at_end(size_type __n) {
-  _ConstructTransaction __tx(*this, __n);
-  const_pointer __new_end = __tx.__new_end_;
-  for (pointer __pos = __tx.__pos_; __pos != __new_end; __tx.__pos_ = ++__pos) {
-    __alloc_traits::construct(this->__alloc(), std::__to_address(__pos));
-  }
-}
-
-//  Copy constructs __n objects starting at __end_ from __x
-//  throws if construction throws
-//  Precondition:  __n > 0
-//  Precondition:  size() + __n <= capacity()
-//  Postcondition:  size() == old size() + __n
-//  Postcondition:  [i] == __x for all i in [size() - __n, __n)
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline void
-vector<_Tp, _Allocator>::__construct_at_end(size_type __n, const_reference __x) {
-  _ConstructTransaction __tx(*this, __n);
-  const_pointer __new_end = __tx.__new_end_;
-  for (pointer __pos = __tx.__pos_; __pos != __new_end; __tx.__pos_ = ++__pos) {
-    __alloc_traits::construct(this->__alloc(), std::__to_address(__pos), __x);
-  }
-}
-
-template <class _Tp, class _Allocator>
-template <class _InputIterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void
-vector<_Tp, _Allocator>::__construct_at_end(_InputIterator __first, _Sentinel __last, size_type __n) {
-  _ConstructTransaction __tx(*this, __n);
-  __tx.__pos_ = std::__uninitialized_allocator_copy(__alloc(), __first, __last, __tx.__pos_);
-}
-
-//  Default constructs __n objects starting at __end_
-//  throws if construction throws
-//  Postcondition:  size() == size() + __n
-//  Exception safety: strong.
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::__append(size_type __n) {
-  if (static_cast<size_type>(this->__end_cap() - this->__end_) >= __n)
-    this->__construct_at_end(__n);
-  else {
-    allocator_type& __a = this->__alloc();
-    __split_buffer<value_type, allocator_type&> __v(__recommend(size() + __n), size(), __a);
-    __v.__construct_at_end(__n);
-    __swap_out_circular_buffer(__v);
-  }
-}
-
-//  Default constructs __n objects starting at __end_
-//  throws if construction throws
-//  Postcondition:  size() == size() + __n
-//  Exception safety: strong.
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::__append(size_type __n, const_reference __x) {
-  if (static_cast<size_type>(this->__end_cap() - this->__end_) >= __n)
-    this->__construct_at_end(__n, __x);
-  else {
-    allocator_type& __a = this->__alloc();
-    __split_buffer<value_type, allocator_type&> __v(__recommend(size() + __n), size(), __a);
-    __v.__construct_at_end(__n, __x);
-    __swap_out_circular_buffer(__v);
-  }
-}
-
-template <class _Tp, class _Allocator>
-template <class _InputIterator,
-          __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<_Tp, _Allocator>::vector(_InputIterator __first, _InputIterator __last) {
-  __init_with_sentinel(__first, __last);
-}
-
-template <class _Tp, class _Allocator>
-template <class _InputIterator,
-          __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<_Tp, _Allocator>::vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a)
-    : __end_cap_(nullptr, __a) {
-  __init_with_sentinel(__first, __last);
-}
-
-template <class _Tp, class _Allocator>
-template <class _ForwardIterator,
-          __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<_Tp, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last) {
-  size_type __n = static_cast<size_type>(std::distance(__first, __last));
-  __init_with_size(__first, __last, __n);
-}
-
-template <class _Tp, class _Allocator>
-template <class _ForwardIterator,
-          __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<_Tp, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a)
-    : __end_cap_(nullptr, __a) {
-  size_type __n = static_cast<size_type>(std::distance(__first, __last));
-  __init_with_size(__first, __last, __n);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<_Tp, _Allocator>::vector(const vector& __x)
-    : __end_cap_(nullptr, __alloc_traits::select_on_container_copy_construction(__x.__alloc())) {
-  __init_with_size(__x.__begin_, __x.__end_, __x.size());
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<_Tp, _Allocator>::vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
-    : __end_cap_(nullptr, __a) {
-  __init_with_size(__x.__begin_, __x.__end_, __x.size());
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI vector<_Tp, _Allocator>::vector(vector&& __x)
-#if _LIBCPP_STD_VER >= 17
-    noexcept
-#else
-    _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
-#endif
-    : __end_cap_(nullptr, std::move(__x.__alloc())) {
-  this->__begin_    = __x.__begin_;
-  this->__end_      = __x.__end_;
-  this->__end_cap() = __x.__end_cap();
-  __x.__begin_ = __x.__end_ = __x.__end_cap() = nullptr;
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI
-vector<_Tp, _Allocator>::vector(vector&& __x, const __type_identity_t<allocator_type>& __a)
-    : __end_cap_(nullptr, __a) {
-  if (__a == __x.__alloc()) {
-    this->__begin_    = __x.__begin_;
-    this->__end_      = __x.__end_;
-    this->__end_cap() = __x.__end_cap();
-    __x.__begin_ = __x.__end_ = __x.__end_cap() = nullptr;
-  } else {
-    typedef move_iterator<iterator> _Ip;
-    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-    assign(_Ip(__x.begin()), _Ip(__x.end()));
-    __guard.__complete();
-  }
-}
-
-#ifndef _LIBCPP_CXX03_LANG
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI
-vector<_Tp, _Allocator>::vector(initializer_list<value_type> __il) {
-  auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-  if (__il.size() > 0) {
-    __vallocate(__il.size());
-    __construct_at_end(__il.begin(), __il.end(), __il.size());
-  }
-  __guard.__complete();
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI
-vector<_Tp, _Allocator>::vector(initializer_list<value_type> __il, const allocator_type& __a)
-    : __end_cap_(nullptr, __a) {
-  auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-  if (__il.size() > 0) {
-    __vallocate(__il.size());
-    __construct_at_end(__il.begin(), __il.end(), __il.size());
-  }
-  __guard.__complete();
-}
-
-#endif // _LIBCPP_CXX03_LANG
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI vector<_Tp, _Allocator>&
-vector<_Tp, _Allocator>::operator=(vector&& __x)
-    _NOEXCEPT_(__noexcept_move_assign_container<_Allocator, __alloc_traits>::value) {
-  __move_assign(__x, integral_constant<bool, __alloc_traits::propagate_on_container_move_assignment::value>());
-  return *this;
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::__move_assign(vector& __c, false_type)
-    _NOEXCEPT_(__alloc_traits::is_always_equal::value) {
-  if (__alloc() != __c.__alloc()) {
-    typedef move_iterator<iterator> _Ip;
-    assign(_Ip(__c.begin()), _Ip(__c.end()));
-  } else
-    __move_assign(__c, true_type());
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::__move_assign(vector& __c, true_type)
-    _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) {
-  __vdeallocate();
-  __move_assign_alloc(__c); // this can throw
-  this->__begin_    = __c.__begin_;
-  this->__end_      = __c.__end_;
-  this->__end_cap() = __c.__end_cap();
-  __c.__begin_ = __c.__end_ = __c.__end_cap() = nullptr;
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI vector<_Tp, _Allocator>&
-vector<_Tp, _Allocator>::operator=(const vector& __x) {
-  if (this != std::addressof(__x)) {
-    __copy_assign_alloc(__x);
-    assign(__x.__begin_, __x.__end_);
-  }
-  return *this;
-}
-
-template <class _Tp, class _Allocator>
-template <class _InputIterator,
-          __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::assign(_InputIterator __first, _InputIterator __last) {
-  __assign_with_sentinel(__first, __last);
-}
-
-template <class _Tp, class _Allocator>
-template <class _Iterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-vector<_Tp, _Allocator>::__assign_with_sentinel(_Iterator __first, _Sentinel __last) {
-  clear();
-  for (; __first != __last; ++__first)
-    emplace_back(*__first);
-}
-
-template <class _Tp, class _Allocator>
-template <class _ForwardIterator,
-          __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::assign(_ForwardIterator __first, _ForwardIterator __last) {
-  __assign_with_size(__first, __last, std::distance(__first, __last));
-}
-
-template <class _Tp, class _Allocator>
-template <class _ForwardIterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-vector<_Tp, _Allocator>::__assign_with_size(_ForwardIterator __first, _Sentinel __last, difference_type __n) {
-  size_type __new_size = static_cast<size_type>(__n);
-  if (__new_size <= capacity()) {
-    if (__new_size > size()) {
-      _ForwardIterator __mid = std::next(__first, size());
-      std::copy(__first, __mid, this->__begin_);
-      __construct_at_end(__mid, __last, __new_size - size());
-    } else {
-      pointer __m = std::__copy<_ClassicAlgPolicy>(__first, __last, this->__begin_).second;
-      this->__destruct_at_end(__m);
-    }
-  } else {
-    __vdeallocate();
-    __vallocate(__recommend(__new_size));
-    __construct_at_end(__first, __last, __new_size);
-  }
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::assign(size_type __n, const_reference __u) {
-  if (__n <= capacity()) {
-    size_type __s = size();
-    std::fill_n(this->__begin_, std::min(__n, __s), __u);
-    if (__n > __s)
-      __construct_at_end(__n - __s, __u);
-    else
-      this->__destruct_at_end(this->__begin_ + __n);
-  } else {
-    __vdeallocate();
-    __vallocate(__recommend(static_cast<size_type>(__n)));
-    __construct_at_end(__n, __u);
-  }
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::begin() _NOEXCEPT {
-  return __make_iter(this->__begin_);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::const_iterator
-vector<_Tp, _Allocator>::begin() const _NOEXCEPT {
-  return __make_iter(this->__begin_);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::end() _NOEXCEPT {
-  return __make_iter(this->__end_);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::const_iterator
-vector<_Tp, _Allocator>::end() const _NOEXCEPT {
-  return __make_iter(this->__end_);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::reference
-vector<_Tp, _Allocator>::operator[](size_type __n) _NOEXCEPT {
-  _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__n < size(), "vector[] index out of bounds");
-  return this->__begin_[__n];
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::const_reference
-vector<_Tp, _Allocator>::operator[](size_type __n) const _NOEXCEPT {
-  _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(__n < size(), "vector[] index out of bounds");
-  return this->__begin_[__n];
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::reference vector<_Tp, _Allocator>::at(size_type __n) {
-  if (__n >= size())
-    this->__throw_out_of_range();
-  return this->__begin_[__n];
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::const_reference
-vector<_Tp, _Allocator>::at(size_type __n) const {
-  if (__n >= size())
-    this->__throw_out_of_range();
-  return this->__begin_[__n];
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::reserve(size_type __n) {
-  if (__n > capacity()) {
-    if (__n > max_size())
-      this->__throw_length_error();
-    allocator_type& __a = this->__alloc();
-    __split_buffer<value_type, allocator_type&> __v(__n, size(), __a);
-    __swap_out_circular_buffer(__v);
-  }
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT {
-  if (capacity() > size()) {
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    try {
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-      allocator_type& __a = this->__alloc();
-      __split_buffer<value_type, allocator_type&> __v(size(), size(), __a);
-      // The Standard mandates shrink_to_fit() does not increase the capacity.
-      // With equal capacity keep the existing buffer. This avoids extra work
-      // due to swapping the elements.
-      if (__v.capacity() < capacity())
-        __swap_out_circular_buffer(__v);
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    } catch (...) {
-    }
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-  }
-}
-
-template <class _Tp, class _Allocator>
-template <class _Up>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::pointer
-vector<_Tp, _Allocator>::__push_back_slow_path(_Up&& __x) {
-  allocator_type& __a = this->__alloc();
-  __split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), size(), __a);
-  // __v.push_back(std::forward<_Up>(__x));
-  __alloc_traits::construct(__a, std::__to_address(__v.__end_), std::forward<_Up>(__x));
-  __v.__end_++;
-  __swap_out_circular_buffer(__v);
-  return this->__end_;
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI void
-vector<_Tp, _Allocator>::push_back(const_reference __x) {
-  pointer __end = this->__end_;
-  if (__end < this->__end_cap()) {
-    __construct_one_at_end(__x);
-    ++__end;
-  } else {
-    __end = __push_back_slow_path(__x);
-  }
-  this->__end_ = __end;
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI void vector<_Tp, _Allocator>::push_back(value_type&& __x) {
-  pointer __end = this->__end_;
-  if (__end < this->__end_cap()) {
-    __construct_one_at_end(std::move(__x));
-    ++__end;
-  } else {
-    __end = __push_back_slow_path(std::move(__x));
-  }
-  this->__end_ = __end;
-}
-
-template <class _Tp, class _Allocator>
-template <class... _Args>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::pointer
-vector<_Tp, _Allocator>::__emplace_back_slow_path(_Args&&... __args) {
-  allocator_type& __a = this->__alloc();
-  __split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), size(), __a);
-  //    __v.emplace_back(std::forward<_Args>(__args)...);
-  __alloc_traits::construct(__a, std::__to_address(__v.__end_), std::forward<_Args>(__args)...);
-  __v.__end_++;
-  __swap_out_circular_buffer(__v);
-  return this->__end_;
-}
-
-template <class _Tp, class _Allocator>
-template <class... _Args>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline
-#if _LIBCPP_STD_VER >= 17
-    typename vector<_Tp, _Allocator>::reference
+#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
+#  include <__cxx03/vector>
 #else
-    void
-#endif
-    vector<_Tp, _Allocator>::emplace_back(_Args&&... __args) {
-  pointer __end = this->__end_;
-  if (__end < this->__end_cap()) {
-    __construct_one_at_end(std::forward<_Args>(__args)...);
-    ++__end;
-  } else {
-    __end = __emplace_back_slow_path(std::forward<_Args>(__args)...);
-  }
-  this->__end_ = __end;
-#if _LIBCPP_STD_VER >= 17
-  return *(__end - 1);
-#endif
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline void vector<_Tp, _Allocator>::pop_back() {
-  _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(!empty(), "vector::pop_back called on an empty vector");
-  this->__destruct_at_end(this->__end_ - 1);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::erase(const_iterator __position) {
-  _LIBCPP_ASSERT_VALID_ELEMENT_ACCESS(
-      __position != end(), "vector::erase(iterator) called with a non-dereferenceable iterator");
-  difference_type __ps = __position - cbegin();
-  pointer __p          = this->__begin_ + __ps;
-  this->__destruct_at_end(std::move(__p + 1, this->__end_, __p));
-  return __make_iter(__p);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::erase(const_iterator __first, const_iterator __last) {
-  _LIBCPP_ASSERT_VALID_INPUT_RANGE(__first <= __last, "vector::erase(first, last) called with invalid range");
-  pointer __p = this->__begin_ + (__first - begin());
-  if (__first != __last) {
-    this->__destruct_at_end(std::move(__p + (__last - __first), this->__end_, __p));
-  }
-  return __make_iter(__p);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void
-vector<_Tp, _Allocator>::__move_range(pointer __from_s, pointer __from_e, pointer __to) {
-  pointer __old_last  = this->__end_;
-  difference_type __n = __old_last - __to;
-  {
-    pointer __i = __from_s + __n;
-    _ConstructTransaction __tx(*this, __from_e - __i);
-    for (pointer __pos = __tx.__pos_; __i < __from_e; ++__i, (void)++__pos, __tx.__pos_ = __pos) {
-      __alloc_traits::construct(this->__alloc(), std::__to_address(__pos), std::move(*__i));
-    }
-  }
-  std::move_backward(__from_s, __from_s + __n, __old_last);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::insert(const_iterator __position, const_reference __x) {
-  pointer __p = this->__begin_ + (__position - begin());
-  if (this->__end_ < this->__end_cap()) {
-    if (__p == this->__end_) {
-      __construct_one_at_end(__x);
-    } else {
-      __move_range(__p, this->__end_, __p + 1);
-      const_pointer __xr = pointer_traits<const_pointer>::pointer_to(__x);
-      if (std::__is_pointer_in_range(std::__to_address(__p), std::__to_address(__end_), std::addressof(__x)))
-        ++__xr;
-      *__p = *__xr;
-    }
-  } else {
-    allocator_type& __a = this->__alloc();
-    __split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), __p - this->__begin_, __a);
-    __v.push_back(__x);
-    __p = __swap_out_circular_buffer(__v, __p);
-  }
-  return __make_iter(__p);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::insert(const_iterator __position, value_type&& __x) {
-  pointer __p = this->__begin_ + (__position - begin());
-  if (this->__end_ < this->__end_cap()) {
-    if (__p == this->__end_) {
-      __construct_one_at_end(std::move(__x));
-    } else {
-      __move_range(__p, this->__end_, __p + 1);
-      *__p = std::move(__x);
-    }
-  } else {
-    allocator_type& __a = this->__alloc();
-    __split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), __p - this->__begin_, __a);
-    __v.push_back(std::move(__x));
-    __p = __swap_out_circular_buffer(__v, __p);
-  }
-  return __make_iter(__p);
-}
-
-template <class _Tp, class _Allocator>
-template <class... _Args>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::emplace(const_iterator __position, _Args&&... __args) {
-  pointer __p = this->__begin_ + (__position - begin());
-  if (this->__end_ < this->__end_cap()) {
-    if (__p == this->__end_) {
-      __construct_one_at_end(std::forward<_Args>(__args)...);
-    } else {
-      __temp_value<value_type, _Allocator> __tmp(this->__alloc(), std::forward<_Args>(__args)...);
-      __move_range(__p, this->__end_, __p + 1);
-      *__p = std::move(__tmp.get());
-    }
-  } else {
-    allocator_type& __a = this->__alloc();
-    __split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), __p - this->__begin_, __a);
-    __v.emplace_back(std::forward<_Args>(__args)...);
-    __p = __swap_out_circular_buffer(__v, __p);
-  }
-  return __make_iter(__p);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::insert(const_iterator __position, size_type __n, const_reference __x) {
-  pointer __p = this->__begin_ + (__position - begin());
-  if (__n > 0) {
-    // We can't compare unrelated pointers inside constant expressions
-    if (!__libcpp_is_constant_evaluated() && __n <= static_cast<size_type>(this->__end_cap() - this->__end_)) {
-      size_type __old_n  = __n;
-      pointer __old_last = this->__end_;
-      if (__n > static_cast<size_type>(this->__end_ - __p)) {
-        size_type __cx = __n - (this->__end_ - __p);
-        __construct_at_end(__cx, __x);
-        __n -= __cx;
-      }
-      if (__n > 0) {
-        __move_range(__p, __old_last, __p + __old_n);
-        const_pointer __xr = pointer_traits<const_pointer>::pointer_to(__x);
-        if (__p <= __xr && __xr < this->__end_)
-          __xr += __old_n;
-        std::fill_n(__p, __n, *__xr);
-      }
-    } else {
-      allocator_type& __a = this->__alloc();
-      __split_buffer<value_type, allocator_type&> __v(__recommend(size() + __n), __p - this->__begin_, __a);
-      __v.__construct_at_end(__n, __x);
-      __p = __swap_out_circular_buffer(__v, __p);
-    }
-  }
-  return __make_iter(__p);
-}
-template <class _Tp, class _Allocator>
-template <class _InputIterator,
-          __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::insert(const_iterator __position, _InputIterator __first, _InputIterator __last) {
-  return __insert_with_sentinel(__position, __first, __last);
-}
-
-template <class _Tp, class _Allocator>
-template <class _InputIterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::__insert_with_sentinel(const_iterator __position, _InputIterator __first, _Sentinel __last) {
-  difference_type __off = __position - begin();
-  pointer __p           = this->__begin_ + __off;
-  allocator_type& __a   = this->__alloc();
-  pointer __old_last    = this->__end_;
-  for (; this->__end_ != this->__end_cap() && __first != __last; ++__first) {
-    __construct_one_at_end(*__first);
-  }
-  __split_buffer<value_type, allocator_type&> __v(__a);
-  if (__first != __last) {
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    try {
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-      __v.__construct_at_end_with_sentinel(std::move(__first), std::move(__last));
-      difference_type __old_size = __old_last - this->__begin_;
-      difference_type __old_p    = __p - this->__begin_;
-      reserve(__recommend(size() + __v.size()));
-      __p        = this->__begin_ + __old_p;
-      __old_last = this->__begin_ + __old_size;
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    } catch (...) {
-      erase(__make_iter(__old_last), end());
-      throw;
-    }
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-  }
-  __p = std::rotate(__p, __old_last, this->__end_);
-  insert(__make_iter(__p), std::make_move_iterator(__v.begin()), std::make_move_iterator(__v.end()));
-  return begin() + __off;
-}
-
-template <class _Tp, class _Allocator>
-template <class _ForwardIterator,
-          __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value &&
-                            is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value,
-                        int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last) {
-  return __insert_with_size(__position, __first, __last, std::distance(__first, __last));
-}
-
-template <class _Tp, class _Allocator>
-template <class _Iterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::__insert_with_size(
-    const_iterator __position, _Iterator __first, _Sentinel __last, difference_type __n) {
-  auto __insertion_size = __n;
-  pointer __p           = this->__begin_ + (__position - begin());
-  if (__n > 0) {
-    if (__n <= this->__end_cap() - this->__end_) {
-      size_type __old_n    = __n;
-      pointer __old_last   = this->__end_;
-      _Iterator __m        = std::next(__first, __n);
-      difference_type __dx = this->__end_ - __p;
-      if (__n > __dx) {
-        __m                    = __first;
-        difference_type __diff = this->__end_ - __p;
-        std::advance(__m, __diff);
-        __construct_at_end(__m, __last, __n - __diff);
-        __n = __dx;
-      }
-      if (__n > 0) {
-        __move_range(__p, __old_last, __p + __old_n);
-        std::copy(__first, __m, __p);
-      }
-    } else {
-      allocator_type& __a = this->__alloc();
-      __split_buffer<value_type, allocator_type&> __v(__recommend(size() + __n), __p - this->__begin_, __a);
-      __v.__construct_at_end_with_size(__first, __insertion_size);
-      __p = __swap_out_circular_buffer(__v, __p);
-    }
-  }
-  return __make_iter(__p);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::resize(size_type __sz) {
-  size_type __cs = size();
-  if (__cs < __sz)
-    this->__append(__sz - __cs);
-  else if (__cs > __sz)
-    this->__destruct_at_end(this->__begin_ + __sz);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::resize(size_type __sz, const_reference __x) {
-  size_type __cs = size();
-  if (__cs < __sz)
-    this->__append(__sz - __cs, __x);
-  else if (__cs > __sz)
-    this->__destruct_at_end(this->__begin_ + __sz);
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<_Tp, _Allocator>::swap(vector& __x)
-#if _LIBCPP_STD_VER >= 14
-    _NOEXCEPT
-#else
-    _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<allocator_type>)
-#endif
-{
-  _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(
-      __alloc_traits::propagate_on_container_swap::value || this->__alloc() == __x.__alloc(),
-      "vector::swap: Either propagate_on_container_swap must be true"
-      " or the allocators must compare equal");
-  std::swap(this->__begin_, __x.__begin_);
-  std::swap(this->__end_, __x.__end_);
-  std::swap(this->__end_cap(), __x.__end_cap());
-  std::__swap_allocator(
-      this->__alloc(), __x.__alloc(), integral_constant<bool, __alloc_traits::propagate_on_container_swap::value>());
-}
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 bool vector<_Tp, _Allocator>::__invariants() const {
-  if (this->__begin_ == nullptr) {
-    if (this->__end_ != nullptr || this->__end_cap() != nullptr)
-      return false;
-  } else {
-    if (this->__begin_ > this->__end_)
-      return false;
-    if (this->__begin_ == this->__end_cap())
-      return false;
-    if (this->__end_ > this->__end_cap())
-      return false;
-  }
-  return true;
-}
-
-// vector<bool>
-
-template <class _Allocator>
-class vector<bool, _Allocator>;
-
-template <class _Allocator>
-struct hash<vector<bool, _Allocator> >;
-
-template <class _Allocator>
-struct __has_storage_type<vector<bool, _Allocator> > {
-  static const bool value = true;
-};
+#  include <__config>
 
-template <class _Allocator>
-class _LIBCPP_TEMPLATE_VIS vector<bool, _Allocator> {
-public:
-  typedef vector __self;
-  typedef bool value_type;
-  typedef _Allocator allocator_type;
-  typedef allocator_traits<allocator_type> __alloc_traits;
-  typedef typename __alloc_traits::size_type size_type;
-  typedef typename __alloc_traits::difference_type difference_type;
-  typedef size_type __storage_type;
-  typedef __bit_iterator<vector, false> pointer;
-  typedef __bit_iterator<vector, true> const_pointer;
-  typedef pointer iterator;
-  typedef const_pointer const_iterator;
-  typedef std::reverse_iterator<iterator> reverse_iterator;
-  typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
-
-private:
-  typedef __rebind_alloc<__alloc_traits, __storage_type> __storage_allocator;
-  typedef allocator_traits<__storage_allocator> __storage_traits;
-  typedef typename __storage_traits::pointer __storage_pointer;
-  typedef typename __storage_traits::const_pointer __const_storage_pointer;
-
-  __storage_pointer __begin_;
-  size_type __size_;
-  __compressed_pair<size_type, __storage_allocator> __cap_alloc_;
+#  include <__vector/comparison.h>
+#  include <__vector/swap.h>
+#  include <__vector/vector.h>
+#  include <__vector/vector_bool.h>
 
-public:
-  typedef __bit_reference<vector> reference;
-#ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL
-  using const_reference = bool;
-#else
-  typedef __bit_const_reference<vector> const_reference;
-#endif
-
-private:
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type& __cap() _NOEXCEPT { return __cap_alloc_.first(); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const size_type& __cap() const _NOEXCEPT {
-    return __cap_alloc_.first();
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __storage_allocator& __alloc() _NOEXCEPT {
-    return __cap_alloc_.second();
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const __storage_allocator& __alloc() const _NOEXCEPT {
-    return __cap_alloc_.second();
-  }
-
-  static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT);
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 static size_type
-  __internal_cap_to_external(size_type __n) _NOEXCEPT {
-    return __n * __bits_per_word;
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 static size_type
-  __external_cap_to_internal(size_type __n) _NOEXCEPT {
-    return (__n - 1) / __bits_per_word + 1;
-  }
+#  if _LIBCPP_STD_VER >= 17
+#    include <__vector/pmr.h>
+#  endif
 
-public:
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector()
-      _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
+#  if _LIBCPP_STD_VER >= 20
+#    include <__vector/erase.h>
+#  endif
 
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(const allocator_type& __a)
-#if _LIBCPP_STD_VER <= 14
-      _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value);
-#else
-      _NOEXCEPT;
-#endif
+#  if _LIBCPP_STD_VER >= 23
+#    include <__vector/vector_bool_formatter.h>
+#  endif
 
-private:
-  class __destroy_vector {
-  public:
-    _LIBCPP_CONSTEXPR _LIBCPP_HIDE_FROM_ABI __destroy_vector(vector& __vec) : __vec_(__vec) {}
+#  include <version>
 
-    _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void operator()() {
-      if (__vec_.__begin_ != nullptr)
-        __storage_traits::deallocate(__vec_.__alloc(), __vec_.__begin_, __vec_.__cap());
-    }
+// standard-mandated includes
 
-  private:
-    vector& __vec_;
-  };
+// [iterator.range]
+#  include <__iterator/access.h>
+#  include <__iterator/data.h>
+#  include <__iterator/empty.h>
+#  include <__iterator/reverse_access.h>
+#  include <__iterator/size.h>
 
-public:
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 ~vector() { __destroy_vector (*this)(); }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n);
-#if _LIBCPP_STD_VER >= 14
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n, const allocator_type& __a);
-#endif
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(size_type __n, const value_type& __v);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-  vector(size_type __n, const value_type& __v, const allocator_type& __a);
-  template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> = 0>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_InputIterator __first, _InputIterator __last);
-  template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> = 0>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-  vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a);
-  template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> = 0>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_ForwardIterator __first, _ForwardIterator __last);
-  template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> = 0>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-  vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a);
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<bool> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr vector(from_range_t, _Range&& __range, const allocator_type& __a = allocator_type())
-      : __begin_(nullptr), __size_(0), __cap_alloc_(0, static_cast<__storage_allocator>(__a)) {
-    if constexpr (ranges::forward_range<_Range> || ranges::sized_range<_Range>) {
-      auto __n = static_cast<size_type>(ranges::distance(__range));
-      __init_with_size(ranges::begin(__range), ranges::end(__range), __n);
-
-    } else {
-      __init_with_sentinel(ranges::begin(__range), ranges::end(__range));
-    }
-  }
-#endif
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v, const allocator_type& __a);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector& operator=(const vector& __v);
-
-#ifndef _LIBCPP_CXX03_LANG
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(initializer_list<value_type> __il);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-  vector(initializer_list<value_type> __il, const allocator_type& __a);
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector& operator=(initializer_list<value_type> __il) {
-    assign(__il.begin(), __il.end());
-    return *this;
-  }
-
-#endif // !_LIBCPP_CXX03_LANG
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(vector&& __v)
-#if _LIBCPP_STD_VER >= 17
-      noexcept;
-#else
-      _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
-#endif
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-  vector(vector&& __v, const __type_identity_t<allocator_type>& __a);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector& operator=(vector&& __v)
-      _NOEXCEPT_(__noexcept_move_assign_container<_Allocator, __alloc_traits>::value);
-
-  template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> = 0>
-  void _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_InputIterator __first, _InputIterator __last);
-  template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> = 0>
-  void _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_ForwardIterator __first, _ForwardIterator __last);
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<bool> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr void assign_range(_Range&& __range) {
-    if constexpr (ranges::forward_range<_Range> || ranges::sized_range<_Range>) {
-      auto __n = static_cast<size_type>(ranges::distance(__range));
-      __assign_with_size(ranges::begin(__range), ranges::end(__range), __n);
-
-    } else {
-      __assign_with_sentinel(ranges::begin(__range), ranges::end(__range));
-    }
-  }
-#endif
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void assign(size_type __n, const value_type& __x);
-
-#ifndef _LIBCPP_CXX03_LANG
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void assign(initializer_list<value_type> __il) {
-    assign(__il.begin(), __il.end());
-  }
-#endif
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator_type get_allocator() const _NOEXCEPT {
-    return allocator_type(this->__alloc());
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type max_size() const _NOEXCEPT;
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type capacity() const _NOEXCEPT {
-    return __internal_cap_to_external(__cap());
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type size() const _NOEXCEPT { return __size_; }
-  _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool empty() const _NOEXCEPT {
-    return __size_ == 0;
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void reserve(size_type __n);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void shrink_to_fit() _NOEXCEPT;
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator begin() _NOEXCEPT { return __make_iter(0); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_iterator begin() const _NOEXCEPT { return __make_iter(0); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator end() _NOEXCEPT { return __make_iter(__size_); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_iterator end() const _NOEXCEPT {
-    return __make_iter(__size_);
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reverse_iterator rbegin() _NOEXCEPT {
-    return reverse_iterator(end());
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reverse_iterator rbegin() const _NOEXCEPT {
-    return const_reverse_iterator(end());
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reverse_iterator rend() _NOEXCEPT {
-    return reverse_iterator(begin());
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reverse_iterator rend() const _NOEXCEPT {
-    return const_reverse_iterator(begin());
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_iterator cbegin() const _NOEXCEPT { return __make_iter(0); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_iterator cend() const _NOEXCEPT {
-    return __make_iter(__size_);
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reverse_iterator crbegin() const _NOEXCEPT {
-    return rbegin();
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reverse_iterator crend() const _NOEXCEPT { return rend(); }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference operator[](size_type __n) { return __make_ref(__n); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference operator[](size_type __n) const {
-    return __make_ref(__n);
-  }
-  _LIBCPP_HIDE_FROM_ABI reference at(size_type __n);
-  _LIBCPP_HIDE_FROM_ABI const_reference at(size_type __n) const;
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference front() { return __make_ref(0); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference front() const { return __make_ref(0); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference back() { return __make_ref(__size_ - 1); }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference back() const { return __make_ref(__size_ - 1); }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void push_back(const value_type& __x);
-#if _LIBCPP_STD_VER >= 14
-  template <class... _Args>
-#  if _LIBCPP_STD_VER >= 17
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference emplace_back(_Args&&... __args)
-#  else
-  _LIBCPP_HIDE_FROM_ABI void emplace_back(_Args&&... __args)
-#  endif
-  {
-    push_back(value_type(std::forward<_Args>(__args)...));
-#  if _LIBCPP_STD_VER >= 17
-    return this->back();
-#  endif
-  }
-#endif
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<bool> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr void append_range(_Range&& __range) {
-    insert_range(end(), std::forward<_Range>(__range));
-  }
-#endif
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void pop_back() { --__size_; }
-
-#if _LIBCPP_STD_VER >= 14
-  template <class... _Args>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator emplace(const_iterator __position, _Args&&... __args) {
-    return insert(__position, value_type(std::forward<_Args>(__args)...));
-  }
-#endif
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator insert(const_iterator __position, const value_type& __x);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator
-  insert(const_iterator __position, size_type __n, const value_type& __x);
-  template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> = 0>
-  iterator _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-  insert(const_iterator __position, _InputIterator __first, _InputIterator __last);
-  template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> = 0>
-  iterator _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-  insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last);
-
-#if _LIBCPP_STD_VER >= 23
-  template <_ContainerCompatibleRange<bool> _Range>
-  _LIBCPP_HIDE_FROM_ABI constexpr iterator insert_range(const_iterator __position, _Range&& __range) {
-    if constexpr (ranges::forward_range<_Range> || ranges::sized_range<_Range>) {
-      auto __n = static_cast<size_type>(ranges::distance(__range));
-      return __insert_with_size(__position, ranges::begin(__range), ranges::end(__range), __n);
-
-    } else {
-      return __insert_with_sentinel(__position, ranges::begin(__range), ranges::end(__range));
-    }
-  }
-#endif
-
-#ifndef _LIBCPP_CXX03_LANG
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator
-  insert(const_iterator __position, initializer_list<value_type> __il) {
-    return insert(__position, __il.begin(), __il.end());
-  }
-#endif
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __position);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __first, const_iterator __last);
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void clear() _NOEXCEPT { __size_ = 0; }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void swap(vector&)
-#if _LIBCPP_STD_VER >= 14
-      _NOEXCEPT;
-#else
-      _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<allocator_type>);
-#endif
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 static void swap(reference __x, reference __y) _NOEXCEPT {
-    std::swap(__x, __y);
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void resize(size_type __sz, value_type __x = false);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void flip() _NOEXCEPT;
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __invariants() const;
-
-private:
-  _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI void __throw_length_error() const { std::__throw_length_error("vector"); }
-
-  _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI void __throw_out_of_range() const { std::__throw_out_of_range("vector"); }
-
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
-  __init_with_size(_InputIterator __first, _Sentinel __last, size_type __n) {
-    auto __guard = std::__make_exception_guard(__destroy_vector(*this));
-
-    if (__n > 0) {
-      __vallocate(__n);
-      __construct_at_end(std::move(__first), std::move(__last), __n);
-    }
-
-    __guard.__complete();
-  }
-
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
-  __init_with_sentinel(_InputIterator __first, _Sentinel __last) {
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    try {
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-      for (; __first != __last; ++__first)
-        push_back(*__first);
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    } catch (...) {
-      if (__begin_ != nullptr)
-        __storage_traits::deallocate(__alloc(), __begin_, __cap());
-      throw;
-    }
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-  }
-
-  template <class _Iterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __assign_with_sentinel(_Iterator __first, _Sentinel __last);
-
-  template <class _ForwardIterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-  __assign_with_size(_ForwardIterator __first, _Sentinel __last, difference_type __ns);
-
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  __insert_with_sentinel(const_iterator __position, _InputIterator __first, _Sentinel __last);
-
-  template <class _Iterator, class _Sentinel>
-  _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator
-  __insert_with_size(const_iterator __position, _Iterator __first, _Sentinel __last, difference_type __n);
-
-  //  Allocate space for __n objects
-  //  throws length_error if __n > max_size()
-  //  throws (probably bad_alloc) if memory run out
-  //  Precondition:  __begin_ == __end_ == __cap() == 0
-  //  Precondition:  __n > 0
-  //  Postcondition:  capacity() >= __n
-  //  Postcondition:  size() == 0
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vallocate(size_type __n) {
-    if (__n > max_size())
-      __throw_length_error();
-    auto __allocation = std::__allocate_at_least(__alloc(), __external_cap_to_internal(__n));
-    __begin_          = __allocation.ptr;
-    __size_           = 0;
-    __cap()           = __allocation.count;
-    if (__libcpp_is_constant_evaluated()) {
-      for (size_type __i = 0; __i != __cap(); ++__i)
-        std::__construct_at(std::__to_address(__begin_) + __i);
-    }
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vdeallocate() _NOEXCEPT;
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 static size_type __align_it(size_type __new_size) _NOEXCEPT {
-    return (__new_size + (__bits_per_word - 1)) & ~((size_type)__bits_per_word - 1);
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type __recommend(size_type __new_size) const;
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __construct_at_end(size_type __n, bool __x);
-  template <class _InputIterator, class _Sentinel>
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
-  __construct_at_end(_InputIterator __first, _Sentinel __last, size_type __n);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __append(size_type __n, const_reference __x);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference __make_ref(size_type __pos) _NOEXCEPT {
-    return reference(__begin_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference __make_ref(size_type __pos) const _NOEXCEPT {
-    return __bit_const_reference<vector>(
-        __begin_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator __make_iter(size_type __pos) _NOEXCEPT {
-    return iterator(__begin_ + __pos / __bits_per_word, static_cast<unsigned>(__pos % __bits_per_word));
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_iterator __make_iter(size_type __pos) const _NOEXCEPT {
-    return const_iterator(__begin_ + __pos / __bits_per_word, static_cast<unsigned>(__pos % __bits_per_word));
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator __const_iterator_cast(const_iterator __p) _NOEXCEPT {
-    return begin() + (__p - cbegin());
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __copy_assign_alloc(const vector& __v) {
-    __copy_assign_alloc(
-        __v, integral_constant<bool, __storage_traits::propagate_on_container_copy_assignment::value>());
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __copy_assign_alloc(const vector& __c, true_type) {
-    if (__alloc() != __c.__alloc())
-      __vdeallocate();
-    __alloc() = __c.__alloc();
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __copy_assign_alloc(const vector&, false_type) {}
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, false_type);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, true_type)
-      _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign_alloc(vector& __c)
-      _NOEXCEPT_(!__storage_traits::propagate_on_container_move_assignment::value ||
-                 is_nothrow_move_assignable<allocator_type>::value) {
-    __move_assign_alloc(
-        __c, integral_constant<bool, __storage_traits::propagate_on_container_move_assignment::value>());
-  }
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign_alloc(vector& __c, true_type)
-      _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) {
-    __alloc() = std::move(__c.__alloc());
-  }
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign_alloc(vector&, false_type) _NOEXCEPT {}
-
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_t __hash_code() const _NOEXCEPT;
-
-  friend class __bit_reference<vector>;
-  friend class __bit_const_reference<vector>;
-  friend class __bit_iterator<vector, false>;
-  friend class __bit_iterator<vector, true>;
-  friend struct __bit_array<vector>;
-  friend struct _LIBCPP_TEMPLATE_VIS hash<vector>;
-};
+// [vector.syn]
+#  include <compare>
+#  include <initializer_list>
 
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::__vdeallocate() _NOEXCEPT {
-  if (this->__begin_ != nullptr) {
-    __storage_traits::deallocate(this->__alloc(), this->__begin_, __cap());
-    this->__begin_ = nullptr;
-    this->__size_ = this->__cap() = 0;
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::size_type
-vector<bool, _Allocator>::max_size() const _NOEXCEPT {
-  size_type __amax = __storage_traits::max_size(__alloc());
-  size_type __nmax = numeric_limits<size_type>::max() / 2; // end() >= begin(), always
-  if (__nmax / __bits_per_word <= __amax)
-    return __nmax;
-  return __internal_cap_to_external(__amax);
-}
-
-//  Precondition:  __new_size > capacity()
-template <class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::size_type
-vector<bool, _Allocator>::__recommend(size_type __new_size) const {
-  const size_type __ms = max_size();
-  if (__new_size > __ms)
-    this->__throw_length_error();
-  const size_type __cap = capacity();
-  if (__cap >= __ms / 2)
-    return __ms;
-  return std::max(2 * __cap, __align_it(__new_size));
-}
-
-//  Default constructs __n objects starting at __end_
-//  Precondition:  __n > 0
-//  Precondition:  size() + __n <= capacity()
-//  Postcondition:  size() == size() + __n
-template <class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
-vector<bool, _Allocator>::__construct_at_end(size_type __n, bool __x) {
-  size_type __old_size = this->__size_;
-  this->__size_ += __n;
-  if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) {
-    if (this->__size_ <= __bits_per_word)
-      this->__begin_[0] = __storage_type(0);
-    else
-      this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0);
-  }
-  std::fill_n(__make_iter(__old_size), __n, __x);
-}
-
-template <class _Allocator>
-template <class _InputIterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void
-vector<bool, _Allocator>::__construct_at_end(_InputIterator __first, _Sentinel __last, size_type __n) {
-  size_type __old_size = this->__size_;
-  this->__size_ += __n;
-  if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) {
-    if (this->__size_ <= __bits_per_word)
-      this->__begin_[0] = __storage_type(0);
-    else
-      this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0);
-  }
-  std::__copy<_ClassicAlgPolicy>(__first, __last, __make_iter(__old_size));
-}
-
-template <class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector()
-    _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __default_init_tag()) {}
-
-template <class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(const allocator_type& __a)
-#if _LIBCPP_STD_VER <= 14
-    _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value)
-#else
-        _NOEXCEPT
-#endif
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, static_cast<__storage_allocator>(__a)) {
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(size_type __n)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __default_init_tag()) {
-  if (__n > 0) {
-    __vallocate(__n);
-    __construct_at_end(__n, false);
-  }
-}
-
-#if _LIBCPP_STD_VER >= 14
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(size_type __n, const allocator_type& __a)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, static_cast<__storage_allocator>(__a)) {
-  if (__n > 0) {
-    __vallocate(__n);
-    __construct_at_end(__n, false);
-  }
-}
-#endif
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(size_type __n, const value_type& __x)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __default_init_tag()) {
-  if (__n > 0) {
-    __vallocate(__n);
-    __construct_at_end(__n, __x);
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<bool, _Allocator>::vector(size_type __n, const value_type& __x, const allocator_type& __a)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, static_cast<__storage_allocator>(__a)) {
-  if (__n > 0) {
-    __vallocate(__n);
-    __construct_at_end(__n, __x);
-  }
-}
-
-template <class _Allocator>
-template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(_InputIterator __first, _InputIterator __last)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __default_init_tag()) {
-  __init_with_sentinel(__first, __last);
-}
-
-template <class _Allocator>
-template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<bool, _Allocator>::vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, static_cast<__storage_allocator>(__a)) {
-  __init_with_sentinel(__first, __last);
-}
-
-template <class _Allocator>
-template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __default_init_tag()) {
-  auto __n = static_cast<size_type>(std::distance(__first, __last));
-  __init_with_size(__first, __last, __n);
-}
-
-template <class _Allocator>
-template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<bool, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, static_cast<__storage_allocator>(__a)) {
-  auto __n = static_cast<size_type>(std::distance(__first, __last));
-  __init_with_size(__first, __last, __n);
-}
-
-#ifndef _LIBCPP_CXX03_LANG
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(initializer_list<value_type> __il)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __default_init_tag()) {
-  size_type __n = static_cast<size_type>(__il.size());
-  if (__n > 0) {
-    __vallocate(__n);
-    __construct_at_end(__il.begin(), __il.end(), __n);
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<bool, _Allocator>::vector(initializer_list<value_type> __il, const allocator_type& __a)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, static_cast<__storage_allocator>(__a)) {
-  size_type __n = static_cast<size_type>(__il.size());
-  if (__n > 0) {
-    __vallocate(__n);
-    __construct_at_end(__il.begin(), __il.end(), __n);
-  }
-}
-
-#endif // _LIBCPP_CXX03_LANG
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(const vector& __v)
-    : __begin_(nullptr),
-      __size_(0),
-      __cap_alloc_(0, __storage_traits::select_on_container_copy_construction(__v.__alloc())) {
-  if (__v.size() > 0) {
-    __vallocate(__v.size());
-    __construct_at_end(__v.begin(), __v.end(), __v.size());
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(const vector& __v, const allocator_type& __a)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __a) {
-  if (__v.size() > 0) {
-    __vallocate(__v.size());
-    __construct_at_end(__v.begin(), __v.end(), __v.size());
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>& vector<bool, _Allocator>::operator=(const vector& __v) {
-  if (this != std::addressof(__v)) {
-    __copy_assign_alloc(__v);
-    if (__v.__size_) {
-      if (__v.__size_ > capacity()) {
-        __vdeallocate();
-        __vallocate(__v.__size_);
-      }
-      std::copy(__v.__begin_, __v.__begin_ + __external_cap_to_internal(__v.__size_), __begin_);
-    }
-    __size_ = __v.__size_;
-  }
-  return *this;
-}
-
-template <class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>::vector(vector&& __v)
-#if _LIBCPP_STD_VER >= 17
-    _NOEXCEPT
-#else
-    _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
-#endif
-    : __begin_(__v.__begin_),
-      __size_(__v.__size_),
-      __cap_alloc_(std::move(__v.__cap_alloc_)) {
-  __v.__begin_ = nullptr;
-  __v.__size_  = 0;
-  __v.__cap()  = 0;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20
-vector<bool, _Allocator>::vector(vector&& __v, const __type_identity_t<allocator_type>& __a)
-    : __begin_(nullptr), __size_(0), __cap_alloc_(0, __a) {
-  if (__a == allocator_type(__v.__alloc())) {
-    this->__begin_ = __v.__begin_;
-    this->__size_  = __v.__size_;
-    this->__cap()  = __v.__cap();
-    __v.__begin_   = nullptr;
-    __v.__cap() = __v.__size_ = 0;
-  } else if (__v.size() > 0) {
-    __vallocate(__v.size());
-    __construct_at_end(__v.begin(), __v.end(), __v.size());
-  }
-}
-
-template <class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector<bool, _Allocator>&
-vector<bool, _Allocator>::operator=(vector&& __v)
-    _NOEXCEPT_(__noexcept_move_assign_container<_Allocator, __alloc_traits>::value) {
-  __move_assign(__v, integral_constant<bool, __storage_traits::propagate_on_container_move_assignment::value>());
-  return *this;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::__move_assign(vector& __c, false_type) {
-  if (__alloc() != __c.__alloc())
-    assign(__c.begin(), __c.end());
-  else
-    __move_assign(__c, true_type());
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::__move_assign(vector& __c, true_type)
-    _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) {
-  __vdeallocate();
-  __move_assign_alloc(__c);
-  this->__begin_ = __c.__begin_;
-  this->__size_  = __c.__size_;
-  this->__cap()  = __c.__cap();
-  __c.__begin_   = nullptr;
-  __c.__cap() = __c.__size_ = 0;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::assign(size_type __n, const value_type& __x) {
-  __size_ = 0;
-  if (__n > 0) {
-    size_type __c = capacity();
-    if (__n <= __c)
-      __size_ = __n;
-    else {
-      vector __v(get_allocator());
-      __v.reserve(__recommend(__n));
-      __v.__size_ = __n;
-      swap(__v);
-    }
-    std::fill_n(begin(), __n, __x);
-  }
-}
-
-template <class _Allocator>
-template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::assign(_InputIterator __first, _InputIterator __last) {
-  __assign_with_sentinel(__first, __last);
-}
-
-template <class _Allocator>
-template <class _Iterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-vector<bool, _Allocator>::__assign_with_sentinel(_Iterator __first, _Sentinel __last) {
-  clear();
-  for (; __first != __last; ++__first)
-    push_back(*__first);
-}
-
-template <class _Allocator>
-template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::assign(_ForwardIterator __first, _ForwardIterator __last) {
-  __assign_with_size(__first, __last, std::distance(__first, __last));
-}
-
-template <class _Allocator>
-template <class _ForwardIterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
-vector<bool, _Allocator>::__assign_with_size(_ForwardIterator __first, _Sentinel __last, difference_type __ns) {
-  _LIBCPP_ASSERT_VALID_INPUT_RANGE(__ns >= 0, "invalid range specified");
-
-  clear();
-
-  const size_t __n = static_cast<size_type>(__ns);
-  if (__n) {
-    if (__n > capacity()) {
-      __vdeallocate();
-      __vallocate(__n);
-    }
-    __construct_at_end(__first, __last, __n);
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::reserve(size_type __n) {
-  if (__n > capacity()) {
-    if (__n > max_size())
-      this->__throw_length_error();
-    vector __v(this->get_allocator());
-    __v.__vallocate(__n);
-    __v.__construct_at_end(this->begin(), this->end(), this->size());
-    swap(__v);
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::shrink_to_fit() _NOEXCEPT {
-  if (__external_cap_to_internal(size()) > __cap()) {
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    try {
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-      vector(*this, allocator_type(__alloc())).swap(*this);
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    } catch (...) {
-    }
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-  }
-}
-
-template <class _Allocator>
-typename vector<bool, _Allocator>::reference vector<bool, _Allocator>::at(size_type __n) {
-  if (__n >= size())
-    this->__throw_out_of_range();
-  return (*this)[__n];
-}
-
-template <class _Allocator>
-typename vector<bool, _Allocator>::const_reference vector<bool, _Allocator>::at(size_type __n) const {
-  if (__n >= size())
-    this->__throw_out_of_range();
-  return (*this)[__n];
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::push_back(const value_type& __x) {
-  if (this->__size_ == this->capacity())
-    reserve(__recommend(this->__size_ + 1));
-  ++this->__size_;
-  back() = __x;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::insert(const_iterator __position, const value_type& __x) {
-  iterator __r;
-  if (size() < capacity()) {
-    const_iterator __old_end = end();
-    ++__size_;
-    std::copy_backward(__position, __old_end, end());
-    __r = __const_iterator_cast(__position);
-  } else {
-    vector __v(get_allocator());
-    __v.reserve(__recommend(__size_ + 1));
-    __v.__size_ = __size_ + 1;
-    __r         = std::copy(cbegin(), __position, __v.begin());
-    std::copy_backward(__position, cend(), __v.end());
-    swap(__v);
-  }
-  *__r = __x;
-  return __r;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::insert(const_iterator __position, size_type __n, const value_type& __x) {
-  iterator __r;
-  size_type __c = capacity();
-  if (__n <= __c && size() <= __c - __n) {
-    const_iterator __old_end = end();
-    __size_ += __n;
-    std::copy_backward(__position, __old_end, end());
-    __r = __const_iterator_cast(__position);
-  } else {
-    vector __v(get_allocator());
-    __v.reserve(__recommend(__size_ + __n));
-    __v.__size_ = __size_ + __n;
-    __r         = std::copy(cbegin(), __position, __v.begin());
-    std::copy_backward(__position, cend(), __v.end());
-    swap(__v);
-  }
-  std::fill_n(__r, __n, __x);
-  return __r;
-}
-
-template <class _Allocator>
-template <class _InputIterator, __enable_if_t<__has_exactly_input_iterator_category<_InputIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::insert(const_iterator __position, _InputIterator __first, _InputIterator __last) {
-  return __insert_with_sentinel(__position, __first, __last);
-}
-
-template <class _Allocator>
-template <class _InputIterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::__insert_with_sentinel(const_iterator __position, _InputIterator __first, _Sentinel __last) {
-  difference_type __off = __position - begin();
-  iterator __p          = __const_iterator_cast(__position);
-  iterator __old_end    = end();
-  for (; size() != capacity() && __first != __last; ++__first) {
-    ++this->__size_;
-    back() = *__first;
-  }
-  vector __v(get_allocator());
-  if (__first != __last) {
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    try {
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-      __v.__assign_with_sentinel(std::move(__first), std::move(__last));
-      difference_type __old_size = static_cast<difference_type>(__old_end - begin());
-      difference_type __old_p    = __p - begin();
-      reserve(__recommend(size() + __v.size()));
-      __p       = begin() + __old_p;
-      __old_end = begin() + __old_size;
-#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
-    } catch (...) {
-      erase(__old_end, end());
-      throw;
-    }
-#endif // _LIBCPP_HAS_NO_EXCEPTIONS
-  }
-  __p = std::rotate(__p, __old_end, end());
-  insert(__p, __v.begin(), __v.end());
-  return begin() + __off;
-}
-
-template <class _Allocator>
-template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> >
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last) {
-  return __insert_with_size(__position, __first, __last, std::distance(__first, __last));
-}
-
-template <class _Allocator>
-template <class _ForwardIterator, class _Sentinel>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::__insert_with_size(
-    const_iterator __position, _ForwardIterator __first, _Sentinel __last, difference_type __n_signed) {
-  _LIBCPP_ASSERT_VALID_INPUT_RANGE(__n_signed >= 0, "invalid range specified");
-  const size_type __n = static_cast<size_type>(__n_signed);
-  iterator __r;
-  size_type __c = capacity();
-  if (__n <= __c && size() <= __c - __n) {
-    const_iterator __old_end = end();
-    __size_ += __n;
-    std::copy_backward(__position, __old_end, end());
-    __r = __const_iterator_cast(__position);
-  } else {
-    vector __v(get_allocator());
-    __v.reserve(__recommend(__size_ + __n));
-    __v.__size_ = __size_ + __n;
-    __r         = std::copy(cbegin(), __position, __v.begin());
-    std::copy_backward(__position, cend(), __v.end());
-    swap(__v);
-  }
-  std::__copy<_ClassicAlgPolicy>(__first, __last, __r);
-  return __r;
-}
-
-template <class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::erase(const_iterator __position) {
-  iterator __r = __const_iterator_cast(__position);
-  std::copy(__position + 1, this->cend(), __r);
-  --__size_;
-  return __r;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<bool, _Allocator>::iterator
-vector<bool, _Allocator>::erase(const_iterator __first, const_iterator __last) {
-  iterator __r        = __const_iterator_cast(__first);
-  difference_type __d = __last - __first;
-  std::copy(__last, this->cend(), __r);
-  __size_ -= __d;
-  return __r;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::swap(vector& __x)
-#if _LIBCPP_STD_VER >= 14
-    _NOEXCEPT
-#else
-    _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<allocator_type>)
-#endif
-{
-  std::swap(this->__begin_, __x.__begin_);
-  std::swap(this->__size_, __x.__size_);
-  std::swap(this->__cap(), __x.__cap());
-  std::__swap_allocator(
-      this->__alloc(), __x.__alloc(), integral_constant<bool, __alloc_traits::propagate_on_container_swap::value>());
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::resize(size_type __sz, value_type __x) {
-  size_type __cs = size();
-  if (__cs < __sz) {
-    iterator __r;
-    size_type __c = capacity();
-    size_type __n = __sz - __cs;
-    if (__n <= __c && __cs <= __c - __n) {
-      __r = end();
-      __size_ += __n;
-    } else {
-      vector __v(get_allocator());
-      __v.reserve(__recommend(__size_ + __n));
-      __v.__size_ = __size_ + __n;
-      __r         = std::copy(cbegin(), cend(), __v.begin());
-      swap(__v);
-    }
-    std::fill_n(__r, __n, __x);
-  } else
-    __size_ = __sz;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void vector<bool, _Allocator>::flip() _NOEXCEPT {
-  // do middle whole words
-  size_type __n         = __size_;
-  __storage_pointer __p = __begin_;
-  for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word)
-    *__p = ~*__p;
-  // do last partial word
-  if (__n > 0) {
-    __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
-    __storage_type __b = *__p & __m;
-    *__p &= ~__m;
-    *__p |= ~__b & __m;
-  }
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 bool vector<bool, _Allocator>::__invariants() const {
-  if (this->__begin_ == nullptr) {
-    if (this->__size_ != 0 || this->__cap() != 0)
-      return false;
-  } else {
-    if (this->__cap() == 0)
-      return false;
-    if (this->__size_ > this->capacity())
-      return false;
-  }
-  return true;
-}
-
-template <class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 size_t vector<bool, _Allocator>::__hash_code() const _NOEXCEPT {
-  size_t __h = 0;
-  // do middle whole words
-  size_type __n         = __size_;
-  __storage_pointer __p = __begin_;
-  for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word)
-    __h ^= *__p;
-  // do last partial word
-  if (__n > 0) {
-    const __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
-    __h ^= *__p & __m;
-  }
-  return __h;
-}
-
-template <class _Allocator>
-struct _LIBCPP_TEMPLATE_VIS hash<vector<bool, _Allocator> >
-    : public __unary_function<vector<bool, _Allocator>, size_t> {
-  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_t
-  operator()(const vector<bool, _Allocator>& __vec) const _NOEXCEPT {
-    return __vec.__hash_code();
-  }
-};
+// [vector.syn], [unord.hash]
+#  include <__functional/hash.h>
 
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI bool
-operator==(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
-  const typename vector<_Tp, _Allocator>::size_type __sz = __x.size();
-  return __sz == __y.size() && std::equal(__x.begin(), __x.end(), __y.begin());
-}
-
-#if _LIBCPP_STD_VER <= 17
-
-template <class _Tp, class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
-  return !(__x == __y);
-}
-
-template <class _Tp, class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI bool operator<(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
-  return std::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
-}
-
-template <class _Tp, class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI bool operator>(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
-  return __y < __x;
-}
-
-template <class _Tp, class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI bool operator>=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
-  return !(__x < __y);
-}
-
-template <class _Tp, class _Allocator>
-inline _LIBCPP_HIDE_FROM_ABI bool operator<=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
-  return !(__y < __x);
-}
-
-#else // _LIBCPP_STD_VER <= 17
-
-template <class _Tp, class _Allocator>
-_LIBCPP_HIDE_FROM_ABI constexpr __synth_three_way_result<_Tp>
-operator<=>(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) {
-  return std::lexicographical_compare_three_way(
-      __x.begin(), __x.end(), __y.begin(), __y.end(), std::__synth_three_way);
-}
-
-#endif // _LIBCPP_STD_VER <= 17
-
-template <class _Tp, class _Allocator>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI void
-swap(vector<_Tp, _Allocator>& __x, vector<_Tp, _Allocator>& __y) _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) {
-  __x.swap(__y);
-}
-
-#if _LIBCPP_STD_VER >= 20
-template <class _Tp, class _Allocator, class _Up>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type
-erase(vector<_Tp, _Allocator>& __c, const _Up& __v) {
-  auto __old_size = __c.size();
-  __c.erase(std::remove(__c.begin(), __c.end(), __v), __c.end());
-  return __old_size - __c.size();
-}
-
-template <class _Tp, class _Allocator, class _Predicate>
-_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type
-erase_if(vector<_Tp, _Allocator>& __c, _Predicate __pred) {
-  auto __old_size = __c.size();
-  __c.erase(std::remove_if(__c.begin(), __c.end(), __pred), __c.end());
-  return __old_size - __c.size();
-}
-
-template <>
-inline constexpr bool __format::__enable_insertable<vector<char>> = true;
-#  ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-template <>
-inline constexpr bool __format::__enable_insertable<vector<wchar_t>> = true;
+#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#    pragma GCC system_header
 #  endif
 
-#endif // _LIBCPP_STD_VER >= 20
-
-#if _LIBCPP_STD_VER >= 23
-template <class _Tp, class _CharT>
-// Since is-vector-bool-reference is only used once it's inlined here.
-  requires same_as<typename _Tp::__container, vector<bool, typename _Tp::__container::allocator_type>>
-struct _LIBCPP_TEMPLATE_VIS formatter<_Tp, _CharT> {
-private:
-  formatter<bool, _CharT> __underlying_;
-
-public:
-  template <class _ParseContext>
-  _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) {
-    return __underlying_.parse(__ctx);
-  }
-
-  template <class _FormatContext>
-  _LIBCPP_HIDE_FROM_ABI typename _FormatContext::iterator format(const _Tp& __ref, _FormatContext& __ctx) const {
-    return __underlying_.format(__ref, __ctx);
-  }
-};
-#endif // _LIBCPP_STD_VER >= 23
-
-_LIBCPP_END_NAMESPACE_STD
-
-#if _LIBCPP_STD_VER >= 17
-_LIBCPP_BEGIN_NAMESPACE_STD
-namespace pmr {
-template <class _ValueT>
-using vector _LIBCPP_AVAILABILITY_PMR = std::vector<_ValueT, polymorphic_allocator<_ValueT>>;
-} // namespace pmr
-_LIBCPP_END_NAMESPACE_STD
-#endif
-
-_LIBCPP_POP_MACROS
-
-#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
-#  include <algorithm>
-#  include <atomic>
-#  include <concepts>
-#  include <cstdlib>
-#  include <iosfwd>
-#  if !defined(_LIBCPP_HAS_NO_LOCALIZATION)
-#    include <locale>
+#  if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
+#    include <algorithm>
+#    include <array>
+#    include <atomic>
+#    include <cctype>
+#    include <cerrno>
+#    include <clocale>
+#    include <concepts>
+#    include <cstdint>
+#    include <cstdlib>
+#    include <iosfwd>
+#    if _LIBCPP_HAS_LOCALIZATION
+#      include <locale>
+#    endif
+#    include <string>
+#    include <string_view>
+#    include <tuple>
+#    include <type_traits>
+#    include <typeinfo>
+#    include <utility>
 #  endif
-#  include <tuple>
-#  include <type_traits>
-#  include <typeinfo>
-#  include <utility>
-#endif
+#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
 
 #endif // _LIBCPP_VECTOR