diff --git a/libcxx/docs/FeatureTestMacroTable.rst b/libcxx/docs/FeatureTestMacroTable.rst
--- a/libcxx/docs/FeatureTestMacroTable.rst
+++ b/libcxx/docs/FeatureTestMacroTable.rst
@@ -326,6 +326,8 @@
     ------------------------------------------------- -----------------
     ``__cpp_lib_is_scoped_enum``                      ``202011L``
     ------------------------------------------------- -----------------
+    ``__cpp_lib_move_iterator_concept``               ``202207L``
+    ------------------------------------------------- -----------------
     ``__cpp_lib_move_only_function``                  *unimplemented*
     ------------------------------------------------- -----------------
     ``__cpp_lib_optional``                            ``202110L``
diff --git a/libcxx/include/__iterator/move_iterator.h b/libcxx/include/__iterator/move_iterator.h
--- a/libcxx/include/__iterator/move_iterator.h
+++ b/libcxx/include/__iterator/move_iterator.h
@@ -16,7 +16,6 @@
 #include <__concepts/convertible_to.h>
 #include <__concepts/derived_from.h>
 #include <__concepts/same_as.h>
-#include <__config>
 #include <__iterator/concepts.h>
 #include <__iterator/incrementable_traits.h>
 #include <__iterator/iter_move.h>
@@ -35,6 +34,8 @@
 #include <__utility/declval.h>
 #include <__utility/move.h>
 
+#include <__config>
+
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
 #endif
@@ -42,20 +43,19 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 #if _LIBCPP_STD_VER > 17
-template<class _Iter, class = void>
+template <class _Iter, class = void>
 struct __move_iter_category_base {};
 
-template<class _Iter>
+template <class _Iter>
   requires requires { typename iterator_traits<_Iter>::iterator_category; }
 struct __move_iter_category_base<_Iter> {
-    using iterator_category = _If<
-        derived_from<typename iterator_traits<_Iter>::iterator_category, random_access_iterator_tag>,
+  using iterator_category =
+      _If<derived_from<typename iterator_traits<_Iter>::iterator_category, random_access_iterator_tag>,
           random_access_iterator_tag,
-        typename iterator_traits<_Iter>::iterator_category
-    >;
+          typename iterator_traits<_Iter>::iterator_category>;
 };
 
-template<class _Iter, class _Sent>
+template <class _Iter, class _Sent>
 concept __move_iter_comparable = requires {
   { std::declval<const _Iter&>() == std::declval<_Sent>() } -> convertible_to<bool>;
 };
@@ -67,266 +67,266 @@
     : public __move_iter_category_base<_Iter>
 #endif
 {
-public:
 #if _LIBCPP_STD_VER > 17
+
+public:
   using iterator_type = _Iter;
-    using iterator_concept = input_iterator_tag;
   // iterator_category is inherited and not always present
   using value_type      = iter_value_t<_Iter>;
   using difference_type = iter_difference_t<_Iter>;
   using pointer         = _Iter;
   using reference       = iter_rvalue_reference_t<_Iter>;
+#  if _LIBCPP_STD_VER > 20
+
+private:
+  static consteval auto __get_iterator_concept() {
+    if constexpr (random_access_iterator<_Iter>) {
+      return random_access_iterator_tag{};
+    } else if constexpr (bidirectional_iterator<_Iter>) {
+      return bidirectional_iterator_tag{};
+    } else if constexpr (forward_iterator<_Iter>) {
+      return forward_iterator_tag{};
+    } else {
+      return input_iterator_tag{};
+    }
+  }
+
+public:
+  using iterator_concept = decltype(__get_iterator_concept());
+#  endif //  _LIBCPP_STD_VER > 20
 #else
+
+public:
   typedef _Iter iterator_type;
-    typedef _If<
-        __is_cpp17_random_access_iterator<_Iter>::value,
+  typedef _If<__is_cpp17_random_access_iterator<_Iter>::value,
               random_access_iterator_tag,
-        typename iterator_traits<_Iter>::iterator_category
-    > iterator_category;
+              typename iterator_traits<_Iter>::iterator_category>
+      iterator_category;
   typedef typename iterator_traits<iterator_type>::value_type value_type;
   typedef typename iterator_traits<iterator_type>::difference_type difference_type;
   typedef iterator_type pointer;
 
   typedef typename iterator_traits<iterator_type>::reference __reference;
-    typedef typename conditional<
-            is_reference<__reference>::value,
-            __libcpp_remove_reference_t<__reference>&&,
-            __reference
-        >::type reference;
+  typedef
+      typename conditional<is_reference<__reference>::value, __libcpp_remove_reference_t<__reference>&&, __reference>::
+          type reference;
 #endif // _LIBCPP_STD_VER > 17
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 explicit move_iterator(_Iter __i) : __current_(std::move(__i)) {}
 
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    explicit move_iterator(_Iter __i) : __current_(std::move(__i)) {}
-
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator& operator++() { ++__current_; return *this; }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator& operator++() {
+    ++__current_;
+    return *this;
+  }
 
-    _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    pointer operator->() const { return __current_; }
+  _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 pointer operator->() const {
+    return __current_;
+  }
 
 #if _LIBCPP_STD_VER > 17
-    _LIBCPP_HIDE_FROM_ABI constexpr
-    move_iterator() requires is_constructible_v<_Iter> : __current_() {}
+  _LIBCPP_HIDE_FROM_ABI constexpr move_iterator() requires is_constructible_v<_Iter> : __current_() {}
 
   template <class _Up>
-        requires (!_IsSame<_Up, _Iter>::value) && convertible_to<const _Up&, _Iter>
-    _LIBCPP_HIDE_FROM_ABI constexpr
-    move_iterator(const move_iterator<_Up>& __u) : __current_(__u.base()) {}
+    requires(!_IsSame<_Up, _Iter>::value)
+  &&convertible_to<const _Up&, _Iter> _LIBCPP_HIDE_FROM_ABI constexpr move_iterator(const move_iterator<_Up>& __u)
+      : __current_(__u.base()) {}
 
   template <class _Up>
-        requires (!_IsSame<_Up, _Iter>::value) &&
-                 convertible_to<const _Up&, _Iter> &&
-                 assignable_from<_Iter&, const _Up&>
-    _LIBCPP_HIDE_FROM_ABI constexpr
-    move_iterator& operator=(const move_iterator<_Up>& __u) {
+    requires(!_IsSame<_Up, _Iter>::value)
+  &&convertible_to<const _Up&, _Iter>&&
+      assignable_from< _Iter&, const _Up&> _LIBCPP_HIDE_FROM_ABI constexpr move_iterator&
+      operator=(const move_iterator<_Up>& __u) {
     __current_ = __u.base();
     return *this;
   }
 
-    _LIBCPP_HIDE_FROM_ABI constexpr const _Iter& base() const & noexcept { return __current_; }
+  _LIBCPP_HIDE_FROM_ABI constexpr const _Iter& base() const& noexcept { return __current_; }
   _LIBCPP_HIDE_FROM_ABI constexpr _Iter base() && { return std::move(__current_); }
 
-    _LIBCPP_HIDE_FROM_ABI constexpr
-    reference operator*() const { return ranges::iter_move(__current_); }
-    _LIBCPP_HIDE_FROM_ABI constexpr
-    reference operator[](difference_type __n) const { return ranges::iter_move(__current_ + __n); }
+  _LIBCPP_HIDE_FROM_ABI constexpr reference operator*() const { return ranges::iter_move(__current_); }
+  _LIBCPP_HIDE_FROM_ABI constexpr reference operator[](difference_type __n) const {
+    return ranges::iter_move(__current_ + __n);
+  }
 
-    _LIBCPP_HIDE_FROM_ABI constexpr
-    auto operator++(int)
-        requires forward_iterator<_Iter>
-    {
-        move_iterator __tmp(*this); ++__current_; return __tmp;
+  _LIBCPP_HIDE_FROM_ABI constexpr auto operator++(int) requires forward_iterator<_Iter> {
+    move_iterator __tmp(*this);
+    ++__current_;
+    return __tmp;
   }
 
-    _LIBCPP_HIDE_FROM_ABI constexpr
-    void operator++(int) { ++__current_; }
+  _LIBCPP_HIDE_FROM_ABI constexpr void operator++(int) { ++__current_; }
 #else
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator() : __current_() {}
-
-    template <class _Up, class = __enable_if_t<
-        !is_same<_Up, _Iter>::value && is_convertible<const _Up&, _Iter>::value
-    > >
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator(const move_iterator<_Up>& __u) : __current_(__u.base()) {}
-
-    template <class _Up, class = __enable_if_t<
-        !is_same<_Up, _Iter>::value &&
-        is_convertible<const _Up&, _Iter>::value &&
-        is_assignable<_Iter&, const _Up&>::value
-    > >
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator& operator=(const move_iterator<_Up>& __u) {
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator() : __current_() {}
+
+  template <class _Up, class = __enable_if_t<!is_same<_Up, _Iter>::value && is_convertible<const _Up&, _Iter>::value> >
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator(const move_iterator<_Up>& __u)
+      : __current_(__u.base()) {}
+
+  template <class _Up,
+            class = __enable_if_t<!is_same<_Up, _Iter>::value && is_convertible<const _Up&, _Iter>::value &&
+                                  is_assignable<_Iter&, const _Up&>::value> >
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator& operator=(const move_iterator<_Up>& __u) {
     __current_ = __u.base();
     return *this;
   }
 
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    _Iter base() const { return __current_; }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 _Iter base() const { return __current_; }
 
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    reference operator*() const { return static_cast<reference>(*__current_); }
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    reference operator[](difference_type __n) const { return static_cast<reference>(__current_[__n]); }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reference operator*() const {
+    return static_cast<reference>(*__current_);
+  }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 reference operator[](difference_type __n) const {
+    return static_cast<reference>(__current_[__n]);
+  }
 
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator operator++(int) { move_iterator __tmp(*this); ++__current_; return __tmp; }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator operator++(int) {
+    move_iterator __tmp(*this);
+    ++__current_;
+    return __tmp;
+  }
 #endif // _LIBCPP_STD_VER > 17
 
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator& operator--() { --__current_; return *this; }
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator operator--(int) { move_iterator __tmp(*this); --__current_; return __tmp; }
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator operator+(difference_type __n) const { return move_iterator(__current_ + __n); }
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator& operator+=(difference_type __n) { __current_ += __n; return *this; }
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator operator-(difference_type __n) const { return move_iterator(__current_ - __n); }
-    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-    move_iterator& operator-=(difference_type __n) { __current_ -= __n; return *this; }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator& operator--() {
+    --__current_;
+    return *this;
+  }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator operator--(int) {
+    move_iterator __tmp(*this);
+    --__current_;
+    return __tmp;
+  }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator operator+(difference_type __n) const {
+    return move_iterator(__current_ + __n);
+  }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator& operator+=(difference_type __n) {
+    __current_ += __n;
+    return *this;
+  }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator operator-(difference_type __n) const {
+    return move_iterator(__current_ - __n);
+  }
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator& operator-=(difference_type __n) {
+    __current_ -= __n;
+    return *this;
+  }
 
 #if _LIBCPP_STD_VER > 17
-    template<sentinel_for<_Iter> _Sent>
-    friend _LIBCPP_HIDE_FROM_ABI constexpr
-    bool operator==(const move_iterator& __x, const move_sentinel<_Sent>& __y)
-        requires __move_iter_comparable<_Iter, _Sent>
-    {
+  template <sentinel_for<_Iter> _Sent>
+  friend _LIBCPP_HIDE_FROM_ABI constexpr bool
+  operator==(const move_iterator& __x, const move_sentinel<_Sent>& __y) requires __move_iter_comparable<_Iter, _Sent> {
     return __x.base() == __y.base();
   }
 
-    template<sized_sentinel_for<_Iter> _Sent>
-    friend _LIBCPP_HIDE_FROM_ABI constexpr
-    iter_difference_t<_Iter> operator-(const move_sentinel<_Sent>& __x, const move_iterator& __y)
-    {
+  template <sized_sentinel_for<_Iter> _Sent>
+  friend _LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Iter>
+  operator-(const move_sentinel<_Sent>& __x, const move_iterator& __y) {
     return __x.base() - __y.base();
   }
 
-    template<sized_sentinel_for<_Iter> _Sent>
-    friend _LIBCPP_HIDE_FROM_ABI constexpr
-    iter_difference_t<_Iter> operator-(const move_iterator& __x, const move_sentinel<_Sent>& __y)
-    {
+  template <sized_sentinel_for<_Iter> _Sent>
+  friend _LIBCPP_HIDE_FROM_ABI constexpr iter_difference_t<_Iter>
+  operator-(const move_iterator& __x, const move_sentinel<_Sent>& __y) {
     return __x.base() - __y.base();
   }
 
-    friend _LIBCPP_HIDE_FROM_ABI constexpr
-    iter_rvalue_reference_t<_Iter> iter_move(const move_iterator& __i)
-        noexcept(noexcept(ranges::iter_move(__i.__current_)))
-    {
+  friend _LIBCPP_HIDE_FROM_ABI constexpr iter_rvalue_reference_t<_Iter>
+  iter_move(const move_iterator& __i) noexcept(noexcept(ranges::iter_move(__i.__current_))) {
     return ranges::iter_move(__i.__current_);
   }
 
-    template<indirectly_swappable<_Iter> _It2>
-    friend _LIBCPP_HIDE_FROM_ABI constexpr
-    void iter_swap(const move_iterator& __x, const move_iterator<_It2>& __y)
-        noexcept(noexcept(ranges::iter_swap(__x.__current_, __y.__current_)))
-    {
+  template <indirectly_swappable<_Iter> _It2>
+  friend _LIBCPP_HIDE_FROM_ABI constexpr void
+  iter_swap(const move_iterator& __x,
+            const move_iterator<_It2>& __y) noexcept(noexcept(ranges::iter_swap(__x.__current_, __y.__current_))) {
     return ranges::iter_swap(__x.__current_, __y.__current_);
   }
 #endif // _LIBCPP_STD_VER > 17
 
 private:
-    template<class _It2> friend class move_iterator;
+  template <class _It2>
+  friend class move_iterator;
 
   _Iter __current_;
 };
 _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(move_iterator);
 
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-bool operator==(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 bool
+operator==(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) {
   return __x.base() == __y.base();
 }
 
 #if _LIBCPP_STD_VER <= 17
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-bool operator!=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 bool
+operator!=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) {
   return __x.base() != __y.base();
 }
 #endif // _LIBCPP_STD_VER <= 17
 
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-bool operator<(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 bool
+operator<(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) {
   return __x.base() < __y.base();
 }
 
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-bool operator>(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 bool
+operator>(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) {
   return __x.base() > __y.base();
 }
 
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-bool operator<=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 bool
+operator<=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) {
   return __x.base() <= __y.base();
 }
 
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-bool operator>=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 bool
+operator>=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) {
   return __x.base() >= __y.base();
 }
 
 #if _LIBCPP_STD_VER > 17
 template <class _Iter1, three_way_comparable_with<_Iter1> _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI constexpr
-auto operator<=>(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-    -> compare_three_way_result_t<_Iter1, _Iter2>
-{
+inline _LIBCPP_HIDE_FROM_ABI constexpr auto
+operator<=>(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
+    -> compare_three_way_result_t<_Iter1, _Iter2> {
   return __x.base() <=> __y.base();
 }
 #endif // _LIBCPP_STD_VER > 17
 
 #ifndef _LIBCPP_CXX03_LANG
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-auto operator-(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-    -> decltype(__x.base() - __y.base())
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 auto
+operator-(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) -> decltype(__x.base() - __y.base()) {
   return __x.base() - __y.base();
 }
 #else
 template <class _Iter1, class _Iter2>
-inline _LIBCPP_HIDE_FROM_ABI
-typename move_iterator<_Iter1>::difference_type
-operator-(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y)
-{
+inline _LIBCPP_HIDE_FROM_ABI typename move_iterator<_Iter1>::difference_type
+operator-(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) {
   return __x.base() - __y.base();
 }
 #endif // !_LIBCPP_CXX03_LANG
 
 #if _LIBCPP_STD_VER > 17
 template <class _Iter>
-inline _LIBCPP_HIDE_FROM_ABI constexpr
-move_iterator<_Iter> operator+(iter_difference_t<_Iter> __n, const move_iterator<_Iter>& __x)
-    requires requires { { __x.base() + __n } -> same_as<_Iter>; }
-{
-    return __x + __n;
+inline _LIBCPP_HIDE_FROM_ABI constexpr move_iterator<_Iter>
+operator+(iter_difference_t<_Iter> __n, const move_iterator<_Iter>& __x) requires requires {
+  { __x.base() + __n } -> same_as<_Iter>;
 }
+{ return __x + __n; }
 #else
 template <class _Iter>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-move_iterator<_Iter>
-operator+(typename move_iterator<_Iter>::difference_type __n, const move_iterator<_Iter>& __x)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator<_Iter>
+operator+(typename move_iterator<_Iter>::difference_type __n, const move_iterator<_Iter>& __x) {
   return move_iterator<_Iter>(__x.base() + __n);
 }
 #endif // _LIBCPP_STD_VER > 17
 
 template <class _Iter>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17
-move_iterator<_Iter>
-make_move_iterator(_Iter __i)
-{
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 move_iterator<_Iter> make_move_iterator(_Iter __i) {
   return move_iterator<_Iter>(std::move(__i));
 }
 
diff --git a/libcxx/include/version b/libcxx/include/version
--- a/libcxx/include/version
+++ b/libcxx/include/version
@@ -122,6 +122,7 @@
 __cpp_lib_math_constants                                201907L <numbers>
 __cpp_lib_math_special_functions                        201603L <cmath>
 __cpp_lib_memory_resource                               201603L <memory_resource>
+__cpp_lib_move_iterator_concept                         202207L <iterator>
 __cpp_lib_move_only_function                            202110L <functional>
 __cpp_lib_node_extract                                  201606L <map> <set> <unordered_map>
                                                                 <unordered_set>
@@ -397,6 +398,7 @@
 # define __cpp_lib_forward_like                         202207L
 // # define __cpp_lib_invoke_r                             202106L
 # define __cpp_lib_is_scoped_enum                       202011L
+# define __cpp_lib_move_iterator_concept                202207L
 // # define __cpp_lib_move_only_function                   202110L
 # undef  __cpp_lib_optional
 # define __cpp_lib_optional                             202110L
diff --git a/libcxx/test/std/algorithms/alg.sorting/alg.min.max/ranges.minmax.pass.cpp b/libcxx/test/std/algorithms/alg.sorting/alg.min.max/ranges.minmax.pass.cpp
--- a/libcxx/test/std/algorithms/alg.sorting/alg.min.max/ranges.minmax.pass.cpp
+++ b/libcxx/test/std/algorithms/alg.sorting/alg.min.max/ranges.minmax.pass.cpp
@@ -34,7 +34,9 @@
 #include "test_iterators.h"
 
 template <class T>
-concept HasMinMax = requires { std::ranges::minmax(std::declval<T>()); };
+concept HasMinMax = requires {
+  std::ranges::minmax(std::declval<T>());
+};
 
 struct NoLessThanOp {};
 struct NotTotallyOrdered {
@@ -176,14 +178,14 @@
       int i;
       constexpr bool comp(S rhs) const { return i < rhs.i; }
     };
-    auto ret = std::ranges::minmax({S {1}, S {2}, S {3}, S {4}}, &S::comp);
+    auto ret = std::ranges::minmax({S{1}, S{2}, S{3}, S{4}}, &S::comp);
     assert(ret.min.i == 1);
     assert(ret.max.i == 4);
   }
 
   {
     // check that a single element works
-    auto ret = std::ranges::minmax({ 1 });
+    auto ret = std::ranges::minmax({1});
     assert(ret.min == 1);
     assert(ret.max == 1);
   }
@@ -247,7 +249,7 @@
 
   {
     // check that a single element works
-    int a[] = { 1 };
+    int a[]    = {1};
     auto range = std::ranges::subrange(Iter(a), Sent(Iter(a + 1)));
     auto ret   = std::ranges::minmax(range);
     assert(ret.min == 1);
@@ -309,7 +311,7 @@
       int comp;
       int other;
     };
-    S a[] = { {0, 0}, {0, 2}, {0, 1} };
+    S a[]    = {{0, 0}, {0, 2}, {0, 1}};
     auto ret = std::ranges::minmax(a, {}, &S::comp);
     assert(ret.min.comp == 0);
     assert(ret.max.comp == 0);
@@ -340,12 +342,14 @@
 
   {
     // check that the iterator isn't moved from multiple times
-    std::shared_ptr<int> a[] = { std::make_shared<int>(42) };
+    std::shared_ptr<int> a[] = {std::make_shared<int>(42)};
+#if TEST_STD_VER <= 20
     auto range      = std::ranges::subrange(std::move_iterator(a), std::move_iterator(a + 1));
     auto [min, max] = std::ranges::minmax(range);
     assert(a[0] == nullptr);
     assert(min != nullptr);
     assert(max == min);
+#endif
   }
 
   return 0;
diff --git a/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/iterator_concept_conformance.compile.pass.cpp b/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/iterator_concept_conformance.compile.pass.cpp
--- a/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/iterator_concept_conformance.compile.pass.cpp
+++ b/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/iterator_concept_conformance.compile.pass.cpp
@@ -15,14 +15,15 @@
 #include "test_iterators.h"
 #include "test_macros.h"
 
-void test()
-{
+#if TEST_STD_VER <= 20
+
+void test() {
   {
     using iterator = std::move_iterator<cpp17_input_iterator<int*>>;
 
     LIBCPP_STATIC_ASSERT(!std::default_initializable<iterator>);
-    static_assert( std::copyable<iterator>);
-    static_assert( std::input_iterator<iterator>);
+    static_assert(std::copyable<iterator>);
+    static_assert(std::input_iterator<iterator>);
     static_assert(!std::forward_iterator<iterator>);
     static_assert(!std::sentinel_for<iterator, iterator>); // not copyable
     static_assert(!std::sized_sentinel_for<iterator, iterator>);
@@ -30,16 +31,16 @@
     static_assert(!std::indirectly_movable_storable<int*, iterator>);
     static_assert(!std::indirectly_copyable<int*, iterator>);
     static_assert(!std::indirectly_copyable_storable<int*, iterator>);
-    static_assert( std::indirectly_readable<iterator>);
+    static_assert(std::indirectly_readable<iterator>);
     static_assert(!std::indirectly_writable<iterator, int>);
-    static_assert( std::indirectly_swappable<iterator, iterator>);
+    static_assert(std::indirectly_swappable<iterator, iterator>);
   }
   {
     using iterator = std::move_iterator<cpp20_input_iterator<int*>>;
 
     LIBCPP_STATIC_ASSERT(!std::default_initializable<iterator>);
     static_assert(!std::copyable<iterator>);
-    static_assert( std::input_iterator<iterator>);
+    static_assert(std::input_iterator<iterator>);
     static_assert(!std::forward_iterator<iterator>);
     static_assert(!std::sentinel_for<iterator, iterator>); // not copyable
     static_assert(!std::sized_sentinel_for<iterator, iterator>);
@@ -47,93 +48,95 @@
     static_assert(!std::indirectly_movable_storable<int*, iterator>);
     static_assert(!std::indirectly_copyable<int*, iterator>);
     static_assert(!std::indirectly_copyable_storable<int*, iterator>);
-    static_assert( std::indirectly_readable<iterator>);
+    static_assert(std::indirectly_readable<iterator>);
     static_assert(!std::indirectly_writable<iterator, int>);
-    static_assert( std::indirectly_swappable<iterator, iterator>);
+    static_assert(std::indirectly_swappable<iterator, iterator>);
   }
   {
     using iterator = std::move_iterator<forward_iterator<int*>>;
 
-    static_assert( std::default_initializable<iterator>);
-    static_assert( std::copyable<iterator>);
-    static_assert( std::input_iterator<iterator>);
+    static_assert(std::default_initializable<iterator>);
+    static_assert(std::copyable<iterator>);
+    static_assert(std::input_iterator<iterator>);
     static_assert(!std::forward_iterator<iterator>);
-    static_assert( std::sentinel_for<iterator, iterator>);
+    static_assert(std::sentinel_for<iterator, iterator>);
     static_assert(!std::sized_sentinel_for<iterator, iterator>);
     static_assert(!std::indirectly_movable<int*, iterator>);
     static_assert(!std::indirectly_movable_storable<int*, iterator>);
     static_assert(!std::indirectly_copyable<int*, iterator>);
     static_assert(!std::indirectly_copyable_storable<int*, iterator>);
-    static_assert( std::indirectly_readable<iterator>);
+    static_assert(std::indirectly_readable<iterator>);
     static_assert(!std::indirectly_writable<iterator, int>);
-    static_assert( std::indirectly_swappable<iterator, iterator>);
+    static_assert(std::indirectly_swappable<iterator, iterator>);
   }
   {
     using iterator = std::move_iterator<bidirectional_iterator<int*>>;
 
-    static_assert( std::default_initializable<iterator>);
-    static_assert( std::copyable<iterator>);
-    static_assert( std::input_iterator<iterator>);
+    static_assert(std::default_initializable<iterator>);
+    static_assert(std::copyable<iterator>);
+    static_assert(std::input_iterator<iterator>);
     static_assert(!std::forward_iterator<iterator>);
-    static_assert( std::sentinel_for<iterator, iterator>);
+    static_assert(std::sentinel_for<iterator, iterator>);
     static_assert(!std::sized_sentinel_for<iterator, iterator>);
     static_assert(!std::indirectly_movable<int*, iterator>);
     static_assert(!std::indirectly_movable_storable<int*, iterator>);
     static_assert(!std::indirectly_copyable<int*, iterator>);
     static_assert(!std::indirectly_copyable_storable<int*, iterator>);
-    static_assert( std::indirectly_readable<iterator>);
+    static_assert(std::indirectly_readable<iterator>);
     static_assert(!std::indirectly_writable<iterator, int>);
-    static_assert( std::indirectly_swappable<iterator, iterator>);
+    static_assert(std::indirectly_swappable<iterator, iterator>);
   }
   {
     using iterator = std::move_iterator<random_access_iterator<int*>>;
 
-    static_assert( std::default_initializable<iterator>);
-    static_assert( std::copyable<iterator>);
-    static_assert( std::input_iterator<iterator>);
+    static_assert(std::default_initializable<iterator>);
+    static_assert(std::copyable<iterator>);
+    static_assert(std::input_iterator<iterator>);
     static_assert(!std::forward_iterator<iterator>);
-    static_assert( std::sentinel_for<iterator, iterator>);
-    static_assert( std::sized_sentinel_for<iterator, iterator>);
+    static_assert(std::sentinel_for<iterator, iterator>);
+    static_assert(std::sized_sentinel_for<iterator, iterator>);
     static_assert(!std::indirectly_movable<int*, iterator>);
     static_assert(!std::indirectly_movable_storable<int*, iterator>);
     static_assert(!std::indirectly_copyable<int*, iterator>);
     static_assert(!std::indirectly_copyable_storable<int*, iterator>);
-    static_assert( std::indirectly_readable<iterator>);
+    static_assert(std::indirectly_readable<iterator>);
     static_assert(!std::indirectly_writable<iterator, int>);
-    static_assert( std::indirectly_swappable<iterator, iterator>);
+    static_assert(std::indirectly_swappable<iterator, iterator>);
   }
   {
     using iterator = std::move_iterator<contiguous_iterator<int*>>;
 
-    static_assert( std::default_initializable<iterator>);
-    static_assert( std::copyable<iterator>);
-    static_assert( std::input_iterator<iterator>);
+    static_assert(std::default_initializable<iterator>);
+    static_assert(std::copyable<iterator>);
+    static_assert(std::input_iterator<iterator>);
     static_assert(!std::forward_iterator<iterator>);
-    static_assert( std::sentinel_for<iterator, iterator>);
-    static_assert( std::sized_sentinel_for<iterator, iterator>);
+    static_assert(std::sentinel_for<iterator, iterator>);
+    static_assert(std::sized_sentinel_for<iterator, iterator>);
     static_assert(!std::indirectly_movable<int*, iterator>);
     static_assert(!std::indirectly_movable_storable<int*, iterator>);
     static_assert(!std::indirectly_copyable<int*, iterator>);
     static_assert(!std::indirectly_copyable_storable<int*, iterator>);
-    static_assert( std::indirectly_readable<iterator>);
+    static_assert(std::indirectly_readable<iterator>);
     static_assert(!std::indirectly_writable<iterator, int>);
-    static_assert( std::indirectly_swappable<iterator, iterator>);
+    static_assert(std::indirectly_swappable<iterator, iterator>);
   }
   {
     using iterator = std::move_iterator<int*>;
 
-    static_assert( std::default_initializable<iterator>);
-    static_assert( std::copyable<iterator>);
-    static_assert( std::input_iterator<iterator>);
+    static_assert(std::default_initializable<iterator>);
+    static_assert(std::copyable<iterator>);
+    static_assert(std::input_iterator<iterator>);
     static_assert(!std::forward_iterator<iterator>);
-    static_assert( std::sentinel_for<iterator, iterator>);
-    static_assert( std::sized_sentinel_for<iterator, iterator>);
+    static_assert(std::sentinel_for<iterator, iterator>);
+    static_assert(std::sized_sentinel_for<iterator, iterator>);
     static_assert(!std::indirectly_movable<int*, iterator>);
     static_assert(!std::indirectly_movable_storable<int*, iterator>);
     static_assert(!std::indirectly_copyable<int*, iterator>);
     static_assert(!std::indirectly_copyable_storable<int*, iterator>);
-    static_assert( std::indirectly_readable<iterator>);
+    static_assert(std::indirectly_readable<iterator>);
     static_assert(!std::indirectly_writable<iterator, int>);
-    static_assert( std::indirectly_swappable<iterator, iterator>);
+    static_assert(std::indirectly_swappable<iterator, iterator>);
   }
 }
+
+#endif
diff --git a/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/iterator_specializations.pass.cpp b/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/iterator_specializations.pass.cpp
new file mode 100644
--- /dev/null
+++ b/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/iterator_specializations.pass.cpp
@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <iterator>
+
+// move_iterator
+
+#include <iterator>
+
+#include "test_iterators.h"
+#include "test_macros.h"
+
+// Tests for move_iterator specializations
+#if TEST_STD_VER > 20
+static_assert(
+    std::is_same_v< typename std::move_iterator<forward_iterator<char*>>::iterator_concept, std::forward_iterator_tag>);
+static_assert(std::is_same_v<typename std::move_iterator< bidirectional_iterator<char*>>::iterator_concept,
+                             std::bidirectional_iterator_tag>);
+static_assert(std::is_same_v<typename std::move_iterator< random_access_iterator<char*>>::iterator_concept,
+                             std::random_access_iterator_tag>);
+static_assert(std::is_same_v<typename std::move_iterator< contiguous_iterator<char*>>::iterator_concept,
+                             std::random_access_iterator_tag>);
+static_assert(std::is_same_v<typename std::move_iterator<char*>::iterator_concept, std::random_access_iterator_tag>);
+
+#endif
+int main() {} // COMPILE-ONLY
diff --git a/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/types.pass.cpp b/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/types.pass.cpp
--- a/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/types.pass.cpp
+++ b/libcxx/test/std/iterators/predef.iterators/move.iterators/move.iterator/types.pass.cpp
@@ -98,7 +98,7 @@
   static_assert((std::is_same<typename R::iterator_category, typename T::iterator_category>::value), "");
 #endif
 
-#if TEST_STD_VER > 17
+#if TEST_STD_VER < 20
   static_assert(std::is_same_v<typename R::iterator_concept, std::input_iterator_tag>);
 #endif
 }
@@ -140,12 +140,16 @@
   }
 #endif
 
-#if TEST_STD_VER > 17
+#if TEST_STD_VER > 17 && TEST_STD_VER <= 20 
   test<contiguous_iterator<char*>>();
-  static_assert(std::is_same_v<typename std::move_iterator<forward_iterator<char*>>::iterator_concept, std::input_iterator_tag>);
-  static_assert(std::is_same_v<typename std::move_iterator<bidirectional_iterator<char*>>::iterator_concept, std::input_iterator_tag>);
-  static_assert(std::is_same_v<typename std::move_iterator<random_access_iterator<char*>>::iterator_concept, std::input_iterator_tag>);
-  static_assert(std::is_same_v<typename std::move_iterator<contiguous_iterator<char*>>::iterator_concept, std::input_iterator_tag>);
+  static_assert(
+      std::is_same_v<typename std::move_iterator<forward_iterator<char*>>::iterator_concept, std::input_iterator_tag>);
+  static_assert(std::is_same_v<typename std::move_iterator<bidirectional_iterator<char*>>::iterator_concept,
+                               std::input_iterator_tag>);
+  static_assert(std::is_same_v<typename std::move_iterator<random_access_iterator<char*>>::iterator_concept,
+                               std::input_iterator_tag>);
+  static_assert(std::is_same_v<typename std::move_iterator<contiguous_iterator<char*>>::iterator_concept,
+                               std::input_iterator_tag>);
   static_assert(std::is_same_v<typename std::move_iterator<char*>::iterator_concept, std::input_iterator_tag>);
 #endif
 
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/iterator.version.compile.pass.cpp
@@ -20,6 +20,7 @@
                                             201811L [C++20]
     __cpp_lib_constexpr_iterator            201811L [C++20]
     __cpp_lib_make_reverse_iterator         201402L [C++14]
+    __cpp_lib_move_iterator_concept         202207L [C++2b]
     __cpp_lib_nonmember_container_access    201411L [C++17]
     __cpp_lib_null_iterators                201304L [C++14]
     __cpp_lib_ranges                        202106L [C++20]
@@ -43,6 +44,10 @@
 #   error "__cpp_lib_make_reverse_iterator should not be defined before c++14"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifdef __cpp_lib_nonmember_container_access
 #   error "__cpp_lib_nonmember_container_access should not be defined before c++17"
 # endif
@@ -76,6 +81,10 @@
 #   error "__cpp_lib_make_reverse_iterator should have the value 201402L in c++14"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifdef __cpp_lib_nonmember_container_access
 #   error "__cpp_lib_nonmember_container_access should not be defined before c++17"
 # endif
@@ -115,6 +124,10 @@
 #   error "__cpp_lib_make_reverse_iterator should have the value 201402L in c++17"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifndef __cpp_lib_nonmember_container_access
 #   error "__cpp_lib_nonmember_container_access should be defined in c++17"
 # endif
@@ -160,6 +173,10 @@
 #   error "__cpp_lib_make_reverse_iterator should have the value 201402L in c++20"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifndef __cpp_lib_nonmember_container_access
 #   error "__cpp_lib_nonmember_container_access should be defined in c++20"
 # endif
@@ -211,6 +228,13 @@
 #   error "__cpp_lib_make_reverse_iterator should have the value 201402L in c++2b"
 # endif
 
+# ifndef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should be defined in c++2b"
+# endif
+# if __cpp_lib_move_iterator_concept != 202207L
+#   error "__cpp_lib_move_iterator_concept should have the value 202207L in c++2b"
+# endif
+
 # ifndef __cpp_lib_nonmember_container_access
 #   error "__cpp_lib_nonmember_container_access should be defined in c++2b"
 # endif
diff --git a/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp b/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
--- a/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
+++ b/libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp
@@ -116,6 +116,7 @@
     __cpp_lib_math_constants                       201907L [C++20]
     __cpp_lib_math_special_functions               201603L [C++17]
     __cpp_lib_memory_resource                      201603L [C++17]
+    __cpp_lib_move_iterator_concept                202207L [C++2b]
     __cpp_lib_move_only_function                   202110L [C++2b]
     __cpp_lib_node_extract                         201606L [C++17]
     __cpp_lib_nonmember_container_access           201411L [C++17]
@@ -577,6 +578,10 @@
 #   error "__cpp_lib_memory_resource should not be defined before c++17"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifdef __cpp_lib_move_only_function
 #   error "__cpp_lib_move_only_function should not be defined before c++2b"
 # endif
@@ -1245,6 +1250,10 @@
 #   error "__cpp_lib_memory_resource should not be defined before c++17"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifdef __cpp_lib_move_only_function
 #   error "__cpp_lib_move_only_function should not be defined before c++2b"
 # endif
@@ -2063,6 +2072,10 @@
 #   error "__cpp_lib_memory_resource should have the value 201603L in c++17"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifdef __cpp_lib_move_only_function
 #   error "__cpp_lib_move_only_function should not be defined before c++2b"
 # endif
@@ -3163,6 +3176,10 @@
 #   error "__cpp_lib_memory_resource should have the value 201603L in c++20"
 # endif
 
+# ifdef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should not be defined before c++2b"
+# endif
+
 # ifdef __cpp_lib_move_only_function
 #   error "__cpp_lib_move_only_function should not be defined before c++2b"
 # endif
@@ -4410,6 +4427,13 @@
 #   error "__cpp_lib_memory_resource should have the value 201603L in c++2b"
 # endif
 
+# ifndef __cpp_lib_move_iterator_concept
+#   error "__cpp_lib_move_iterator_concept should be defined in c++2b"
+# endif
+# if __cpp_lib_move_iterator_concept != 202207L
+#   error "__cpp_lib_move_iterator_concept should have the value 202207L in c++2b"
+# endif
+
 # if !defined(_LIBCPP_VERSION)
 #   ifndef __cpp_lib_move_only_function
 #     error "__cpp_lib_move_only_function should be defined in c++2b"
diff --git a/libcxx/utils/generate_feature_test_macro_components.py b/libcxx/utils/generate_feature_test_macro_components.py
--- a/libcxx/utils/generate_feature_test_macro_components.py
+++ b/libcxx/utils/generate_feature_test_macro_components.py
@@ -489,6 +489,10 @@
     "name": "__cpp_lib_memory_resource",
     "values": { "c++17": 201603 },
     "headers": ["memory_resource"],
+  }, {
+    "name": "__cpp_lib_move_iterator_concept",
+    "values": {"c++2b": 202207 }, 
+    "headers": ["iterator"],
   }, {
     "name": "__cpp_lib_move_only_function",
     "values": { "c++2b": 202110 },
@@ -763,7 +767,7 @@
     "name": "__cpp_lib_void_t",
     "values": { "c++17": 201411 },
     "headers": ["type_traits"],
-  }
+  },
 ]]
 
 assert feature_test_macros == sorted(feature_test_macros, key=lambda tc: tc["name"])