intermediate changes

ref:b701e8676af251d91697287754da22505ad43d4e

85 files changed, 1602 insertions, 1150 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/CREDITS.TXT b/contrib/libs/cxxsupp/libcxx/CREDITS.TXT
index 597c5fcb7c..fc442f4db1 100644
--- a/contrib/libs/cxxsupp/libcxx/CREDITS.TXT
+++ b/contrib/libs/cxxsupp/libcxx/CREDITS.TXT
@@ -149,6 +149,10 @@ N: Klaas de Vries
 E: klaas at klaasgaaf dot nl
 D: Minor bug fix.
 
+N: Mark de Wever
+E: koraq at xs4all dot nl
+D: Format library support.
+
 N: Zhang Xiongpang
 E: zhangxiongpang@gmail.com
 D: Minor patches and bug fixes.
diff --git a/contrib/libs/cxxsupp/libcxx/import b/contrib/libs/cxxsupp/libcxx/import
index 913c2009a1..c2f213f437 100755
--- a/contrib/libs/cxxsupp/libcxx/import
+++ b/contrib/libs/cxxsupp/libcxx/import
@@ -1,6 +1,6 @@
 #!/bin/sh -e
 
-rev=13fa4fcf
+rev=529a7930
 output_dir="libcxx-r$rev"
 if [ -z $1 ] ; then
     git clone https://github.com/llvm/llvm-project.git --no-checkout "$output_dir/tmp"
diff --git a/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h b/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h
index 2d5c2eca46..a5788d9777 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h
@@ -108,7 +108,7 @@ size_t __libcpp_mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len,
 }
 #endif
 
-inline
+inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 4, 5)
 int __libcpp_snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) {
     va_list __va;
     va_start(__va, __format);
@@ -118,7 +118,7 @@ int __libcpp_snprintf_l(char *__s, size_t __n, locale_t __l, const char *__forma
     return __res;
 }
 
-inline
+inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4)
 int __libcpp_asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
     va_list __va;
     va_start(__va, __format);
@@ -128,7 +128,7 @@ int __libcpp_asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
     return __res;
 }
 
-inline
+inline _LIBCPP_ATTRIBUTE_FORMAT(__scanf__, 3, 4)
 int __libcpp_sscanf_l(const char *__s, locale_t __l, const char *__format, ...) {
     va_list __va;
     va_start(__va, __format);
diff --git a/contrib/libs/cxxsupp/libcxx/include/__compare/strong_order.h b/contrib/libs/cxxsupp/libcxx/include/__compare/strong_order.h
index e49b2d45de..42f060387d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__compare/strong_order.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__compare/strong_order.h
@@ -86,11 +86,11 @@ namespace __strong_order {
                 bool __u_is_nan = _VSTD::isnan(__u);
                 bool __t_is_negative = _VSTD::signbit(__t);
                 bool __u_is_negative = _VSTD::signbit(__u);
-                using _IntType = std::conditional_t<
-                    sizeof(__t) == sizeof(int32_t), int32_t, std::conditional_t<
+                using _IntType = conditional_t<
+                    sizeof(__t) == sizeof(int32_t), int32_t, conditional_t<
                     sizeof(__t) == sizeof(int64_t), int64_t, void>
                 >;
-                if constexpr (std::is_same_v<_IntType, void>) {
+                if constexpr (is_same_v<_IntType, void>) {
                     static_assert(sizeof(_Dp) == 0, "std::strong_order is unimplemented for this floating-point type");
                 } else if (__t_is_nan && __u_is_nan) {
                     // Order by sign bit, then by "payload bits" (we'll just use bit_cast).
diff --git a/contrib/libs/cxxsupp/libcxx/include/__compare/weak_order.h b/contrib/libs/cxxsupp/libcxx/include/__compare/weak_order.h
index f67416ed3e..ce914b2321 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__compare/weak_order.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__compare/weak_order.h
@@ -42,13 +42,13 @@ namespace __weak_order {
         _LIBCPP_HIDE_FROM_ABI static constexpr weak_ordering
         __go(_Tp&& __t, _Up&& __u, __priority_tag<2>) noexcept
         {
-            std::partial_ordering __po = (__t <=> __u);
-            if (__po == std::partial_ordering::less) {
-                return std::weak_ordering::less;
-            } else if (__po == std::partial_ordering::equivalent) {
-                return std::weak_ordering::equivalent;
-            } else if (__po == std::partial_ordering::greater) {
-                return std::weak_ordering::greater;
+            partial_ordering __po = (__t <=> __u);
+            if (__po == partial_ordering::less) {
+                return weak_ordering::less;
+            } else if (__po == partial_ordering::equivalent) {
+                return weak_ordering::equivalent;
+            } else if (__po == partial_ordering::greater) {
+                return weak_ordering::greater;
             } else {
                 // Otherwise, at least one of them is a NaN.
                 bool __t_is_nan = _VSTD::isnan(__t);
diff --git a/contrib/libs/cxxsupp/libcxx/include/__config b/contrib/libs/cxxsupp/libcxx/include/__config
index d2e69a122e..07ebb3b5bc 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__config
+++ b/contrib/libs/cxxsupp/libcxx/include/__config
@@ -100,10 +100,6 @@
 #  define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
 #  define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
 #  define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
-// Don't use a nullptr_t simulation type in C++03 instead using C++11 nullptr
-// provided under the alternate keyword __nullptr, which changes the mangling
-// of nullptr_t. This option is ABI incompatible with GCC in C++03 mode.
-#  define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR
 // Define a key function for `bad_function_call` in the library, to centralize
 // its vtable and typeinfo to libc++ rather than having all other libraries
 // using that class define their own copies.
@@ -153,6 +149,23 @@
 #  endif
 #endif
 
+// By default, don't use a nullptr_t emulation type in C++03.
+//
+// This is technically an ABI break from previous releases, however it is
+// very unlikely to impact anyone. If a user is impacted by this break,
+// they can return to using the C++03 nullptr emulation by defining
+// _LIBCPP_ABI_USE_CXX03_NULLPTR_EMULATION.
+//
+// This switch will be removed entirely in favour of never providing a
+// C++03 emulation after one release.
+//
+// IMPORTANT: IF YOU ARE READING THIS AND YOU TURN THIS MACRO ON, PLEASE LEAVE
+//            A COMMENT ON https://reviews.llvm.org/D109459 OR YOU WILL BE BROKEN
+//            IN THE FUTURE WHEN WE REMOVE THE ABILITY TO USE THE C++03 EMULATION.
+#ifndef _LIBCPP_ABI_USE_CXX03_NULLPTR_EMULATION
+# define _LIBCPP_ABI_ALWAYS_USE_CXX11_NULLPTR
+#endif
+
 #if defined(_LIBCPP_BUILDING_LIBRARY) || defined(_LIBCPP_ABI_UNSTABLE) || _LIBCPP_ABI_VERSION >= 2
 // Enable additional explicit instantiations of iostreams components. This
 // reduces the number of weak definitions generated in programs that use
@@ -873,12 +886,6 @@ typedef unsigned int   char32_t;
 #define _LIBCPP_HAS_NO_RANGES
 #endif
 
-#ifdef _LIBCPP_CXX03_LANG
-#  define _LIBCPP_DEFAULT {}
-#else
-#  define _LIBCPP_DEFAULT = default;
-#endif
-
 #ifdef __GNUC__
 #  define _LIBCPP_NOALIAS __attribute__((__malloc__))
 #else
@@ -1104,12 +1111,6 @@ typedef unsigned int   char32_t;
 #  define _LIBCPP_NODISCARD_AFTER_CXX17
 #endif
 
-#if !defined(_LIBCPP_DEBUG) && _LIBCPP_STD_VER > 11
-#   define _LIBCPP_CONSTEXPR_IF_NODEBUG constexpr
-#else
-#   define _LIBCPP_CONSTEXPR_IF_NODEBUG
-#endif
-
 #if __has_attribute(no_destroy)
 #  define _LIBCPP_NO_DESTROY __attribute__((__no_destroy__))
 #else
@@ -1441,10 +1442,12 @@ extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(
 #endif
 
 #if defined(__GNUC__) || defined(__clang__)
-#define _LIBCPP_FORMAT_PRINTF(a, b)                                            \
-  __attribute__((__format__(__printf__, a, b)))
+  // The attribute uses 1-based indices for ordinary and static member functions.
+  // The attribute uses 2-based indices for non-static member functions.
+# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) \
+    __attribute__((__format__(archetype, format_string_index, first_format_arg_index)))
 #else
-#define _LIBCPP_FORMAT_PRINTF(a, b)
+# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) /* nothing */
 #endif
 
 #endif // __cplusplus
diff --git a/contrib/libs/cxxsupp/libcxx/include/__functional/bind.h b/contrib/libs/cxxsupp/libcxx/include/__functional/bind.h
index 80dbd6ca89..141d6bac8f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__functional/bind.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__functional/bind.h
@@ -70,7 +70,7 @@ _LIBCPP_FUNC_VIS extern const __ph<10> _10;
 /* inline */ constexpr __ph<10> _10{};
 #endif // defined(_LIBCPP_CXX03_LANG) || defined(_LIBCPP_BUILDING_LIBRARY)
 
-}  // placeholders
+} // namespace placeholders
 
 template<int _Np>
 struct __is_placeholder<placeholders::__ph<_Np> >
diff --git a/contrib/libs/cxxsupp/libcxx/include/__functional/function.h b/contrib/libs/cxxsupp/libcxx/include/__functional/function.h
index 3aa1326357..e379f1e2d0 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__functional/function.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__functional/function.h
@@ -946,7 +946,7 @@ public:
 
 #endif // _LIBCPP_HAS_EXTENSION_BLOCKS && !_LIBCPP_HAS_OBJC_ARC
 
-}  // __function
+} // namespace __function
 
 template<class _Rp, class ..._ArgTypes>
 class _LIBCPP_TEMPLATE_VIS function<_Rp(_ArgTypes...)>
@@ -1724,13 +1724,11 @@ public:
     // 20.7.16.2.3, function capacity:
     _LIBCPP_INLINE_VISIBILITY explicit operator bool() const {return __f_;}
 
-private:
-    // deleted overloads close possible hole in the type system
     template<class _R2>
-      bool operator==(const function<_R2()>&) const;// = delete;
+      bool operator==(const function<_R2()>&) const = delete;
     template<class _R2>
-      bool operator!=(const function<_R2()>&) const;// = delete;
-public:
+      bool operator!=(const function<_R2()>&) const = delete;
+
     // 20.7.16.2.4, function invocation:
     _Rp operator()() const;
 
@@ -2004,13 +2002,11 @@ public:
     // 20.7.16.2.3, function capacity:
     _LIBCPP_INLINE_VISIBILITY explicit operator bool() const {return __f_;}
 
-private:
-    // deleted overloads close possible hole in the type system
     template<class _R2, class _B0>
-      bool operator==(const function<_R2(_B0)>&) const;// = delete;
+      bool operator==(const function<_R2(_B0)>&) const = delete;
     template<class _R2, class _B0>
-      bool operator!=(const function<_R2(_B0)>&) const;// = delete;
-public:
+      bool operator!=(const function<_R2(_B0)>&) const = delete;
+
     // 20.7.16.2.4, function invocation:
     _Rp operator()(_A0) const;
 
@@ -2284,13 +2280,11 @@ public:
     // 20.7.16.2.3, function capacity:
     _LIBCPP_INLINE_VISIBILITY explicit operator bool() const {return __f_;}
 
-private:
-    // deleted overloads close possible hole in the type system
     template<class _R2, class _B0, class _B1>
-      bool operator==(const function<_R2(_B0, _B1)>&) const;// = delete;
+      bool operator==(const function<_R2(_B0, _B1)>&) const = delete;
     template<class _R2, class _B0, class _B1>
-      bool operator!=(const function<_R2(_B0, _B1)>&) const;// = delete;
-public:
+      bool operator!=(const function<_R2(_B0, _B1)>&) const = delete;
+
     // 20.7.16.2.4, function invocation:
     _Rp operator()(_A0, _A1) const;
 
@@ -2563,13 +2557,11 @@ public:
     // 20.7.16.2.3, function capacity:
     _LIBCPP_INLINE_VISIBILITY explicit operator bool() const {return __f_;}
 
-private:
-    // deleted overloads close possible hole in the type system
     template<class _R2, class _B0, class _B1, class _B2>
-      bool operator==(const function<_R2(_B0, _B1, _B2)>&) const;// = delete;
+      bool operator==(const function<_R2(_B0, _B1, _B2)>&) const = delete;
     template<class _R2, class _B0, class _B1, class _B2>
-      bool operator!=(const function<_R2(_B0, _B1, _B2)>&) const;// = delete;
-public:
+      bool operator!=(const function<_R2(_B0, _B1, _B2)>&) const = delete;
+
     // 20.7.16.2.4, function invocation:
     _Rp operator()(_A0, _A1, _A2) const;
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__iterator/next.h b/contrib/libs/cxxsupp/libcxx/include/__iterator/next.h
index d764bd6f71..3054378f7e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__iterator/next.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__iterator/next.h
@@ -79,4 +79,4 @@ inline constexpr auto next = __next_fn(__function_like::__tag());
 
 _LIBCPP_END_NAMESPACE_STD
 
-#endif // _LIBCPP___ITERATOR_PRIMITIVES_H
+#endif // _LIBCPP___ITERATOR_NEXT_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__iterator/reverse_iterator.h b/contrib/libs/cxxsupp/libcxx/include/__iterator/reverse_iterator.h
index f7a948950d..d06859ee5f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__iterator/reverse_iterator.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__iterator/reverse_iterator.h
@@ -11,6 +11,8 @@
 #define _LIBCPP___ITERATOR_REVERSE_ITERATOR_H
 
 #include <__config>
+#include <__compare/compare_three_way_result.h>
+#include <__compare/three_way_comparable.h>
 #include <__iterator/iterator.h>
 #include <__iterator/iterator_traits.h>
 #include <__memory/addressof.h>
@@ -193,6 +195,16 @@ operator<=(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>&
     return __x.base() >= __y.base();
 }
 
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+template <class _Iter1, three_way_comparable_with<_Iter1> _Iter2>
+_LIBCPP_HIDE_FROM_ABI constexpr
+compare_three_way_result_t<_Iter1, _Iter2>
+operator<=>(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y)
+{
+    return __y.base() <=> __x.base();
+}
+#endif
+
 #ifndef _LIBCPP_CXX03_LANG
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
diff --git a/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h b/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h
index 28872f9fa4..cfcc9857b3 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__iterator/wrap_iter.h
@@ -40,120 +40,129 @@ public:
 private:
     iterator_type __i;
 public:
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter() _NOEXCEPT
-#if _LIBCPP_STD_VER > 11
-                : __i{}
-#endif
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter() _NOEXCEPT
+                : __i()
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         __get_db()->__insert_i(this);
 #endif
     }
-    template <class _Up> _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+    template <class _Up> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11
         __wrap_iter(const __wrap_iter<_Up>& __u,
             typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = nullptr) _NOEXCEPT
             : __i(__u.base())
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         __get_db()->__iterator_copy(this, _VSTD::addressof(__u));
 #endif
     }
 #if _LIBCPP_DEBUG_LEVEL == 2
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11
     __wrap_iter(const __wrap_iter& __x)
         : __i(__x.base())
     {
+      if (!__libcpp_is_constant_evaluated())
         __get_db()->__iterator_copy(this, _VSTD::addressof(__x));
     }
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11
     __wrap_iter& operator=(const __wrap_iter& __x)
     {
-        if (this != _VSTD::addressof(__x))
+        if (this != _VSTD::addressof(__x) && !__libcpp_is_constant_evaluated())
         {
             __get_db()->__iterator_copy(this, _VSTD::addressof(__x));
             __i = __x.__i;
         }
         return *this;
     }
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17
     ~__wrap_iter()
     {
+      if (!__libcpp_is_constant_evaluated())
         __get_db()->__erase_i(this);
     }
 #endif
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG reference operator*() const _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 reference operator*() const _NOEXCEPT
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
                        "Attempted to dereference a non-dereferenceable iterator");
 #endif
         return *__i;
     }
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG pointer  operator->() const _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 pointer operator->() const _NOEXCEPT
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
                        "Attempted to dereference a non-dereferenceable iterator");
 #endif
         return _VSTD::__to_address(__i);
     }
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator++() _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter& operator++() _NOEXCEPT
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
                        "Attempted to increment a non-incrementable iterator");
 #endif
         ++__i;
         return *this;
     }
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter  operator++(int) _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter  operator++(int) _NOEXCEPT
         {__wrap_iter __tmp(*this); ++(*this); return __tmp;}
 
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator--() _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter& operator--() _NOEXCEPT
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         _LIBCPP_ASSERT(__get_const_db()->__decrementable(this),
                        "Attempted to decrement a non-decrementable iterator");
 #endif
         --__i;
         return *this;
     }
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter  operator--(int) _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter  operator--(int) _NOEXCEPT
         {__wrap_iter __tmp(*this); --(*this); return __tmp;}
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter  operator+ (difference_type __n) const _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter  operator+ (difference_type __n) const _NOEXCEPT
         {__wrap_iter __w(*this); __w += __n; return __w;}
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator+=(difference_type __n) _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter& operator+=(difference_type __n) _NOEXCEPT
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         _LIBCPP_ASSERT(__get_const_db()->__addable(this, __n),
                    "Attempted to add/subtract an iterator outside its valid range");
 #endif
         __i += __n;
         return *this;
     }
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter  operator- (difference_type __n) const _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter  operator- (difference_type __n) const _NOEXCEPT
         {return *this + (-__n);}
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter& operator-=(difference_type __n) _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter& operator-=(difference_type __n) _NOEXCEPT
         {*this += -__n; return *this;}
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG reference    operator[](difference_type __n) const _NOEXCEPT
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 reference    operator[](difference_type __n) const _NOEXCEPT
     {
 #if _LIBCPP_DEBUG_LEVEL == 2
+      if (!__libcpp_is_constant_evaluated())
         _LIBCPP_ASSERT(__get_const_db()->__subscriptable(this, __n),
                    "Attempted to subscript an iterator outside its valid range");
 #endif
         return __i[__n];
     }
 
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG iterator_type base() const _NOEXCEPT {return __i;}
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 iterator_type base() const _NOEXCEPT {return __i;}
 
 private:
 #if _LIBCPP_DEBUG_LEVEL == 2
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter(const void* __p, iterator_type __x) : __i(__x)
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter(const void* __p, iterator_type __x) : __i(__x)
     {
+      if (!__libcpp_is_constant_evaluated())
         __get_db()->__insert_ic(this, __p);
     }
 #else
-    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG __wrap_iter(iterator_type __x) _NOEXCEPT : __i(__x) {}
+    _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 __wrap_iter(iterator_type __x) _NOEXCEPT : __i(__x) {}
 #endif
 
     template <class _Up> friend class __wrap_iter;
@@ -163,24 +172,25 @@ private:
 };
 
 template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
 {
     return __x.base() == __y.base();
 }
 
 template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
 {
     return __x.base() == __y.base();
 }
 
 template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11
 bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
 {
 #if _LIBCPP_DEBUG_LEVEL == 2
+  if (!__libcpp_is_constant_evaluated())
     _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(_VSTD::addressof(__x), _VSTD::addressof(__y)),
                    "Attempted to compare incomparable iterators");
 #endif
@@ -188,10 +198,11 @@ bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _
 }
 
 template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11
 bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
 {
 #if _LIBCPP_DEBUG_LEVEL == 2
+  if (!__libcpp_is_constant_evaluated())
     _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(&__x, &__y),
                    "Attempted to compare incomparable iterators");
 #endif
@@ -199,63 +210,63 @@ bool operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _
 }
 
 template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
 {
     return !(__x == __y);
 }
 
 template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
 {
     return !(__x == __y);
 }
 
 template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
 {
     return __y < __x;
 }
 
 template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
 {
     return __y < __x;
 }
 
 template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
 {
     return !(__x < __y);
 }
 
 template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
 {
     return !(__x < __y);
 }
 
 template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter1>& __y) _NOEXCEPT
 {
     return !(__y < __x);
 }
 
 template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
 bool operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
 {
     return !(__y < __x);
 }
 
 template <class _Iter1, class _Iter2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11
 #ifndef _LIBCPP_CXX03_LANG
 auto operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
     -> decltype(__x.base() - __y.base())
@@ -265,6 +276,7 @@ operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXC
 #endif // C++03
 {
 #if _LIBCPP_DEBUG_LEVEL == 2
+  if (!__libcpp_is_constant_evaluated())
     _LIBCPP_ASSERT(__get_const_db()->__less_than_comparable(_VSTD::addressof(__x), _VSTD::addressof(__y)),
                    "Attempted to subtract incompatible iterators");
 #endif
@@ -272,7 +284,7 @@ operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXC
 }
 
 template <class _Iter1>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_IF_NODEBUG
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11
 __wrap_iter<_Iter1> operator+(typename __wrap_iter<_Iter1>::difference_type __n, __wrap_iter<_Iter1> __x) _NOEXCEPT
 {
     __x += __n;
diff --git a/contrib/libs/cxxsupp/libcxx/include/__locale b/contrib/libs/cxxsupp/libcxx/include/__locale
index 38cb7a6f39..6375933801 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__locale
+++ b/contrib/libs/cxxsupp/libcxx/include/__locale
@@ -208,9 +208,9 @@ class _LIBCPP_TYPE_VIS locale::id
     static int32_t __next_id;
 public:
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR id() :__id_(0) {}
-private:
-    void operator=(const id&); // = delete;
-    id(const id&); // = delete;
+    void operator=(const id&) = delete;
+    id(const id&) = delete;
+
 public:  // only needed for tests
     long __get();
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__memory/allocator.h b/contrib/libs/cxxsupp/libcxx/include/__memory/allocator.h
index c174994ddf..8bbcfe2063 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__memory/allocator.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__memory/allocator.h
@@ -89,7 +89,7 @@ public:
     typedef true_type   is_always_equal;
 
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-    allocator() _NOEXCEPT _LIBCPP_DEFAULT
+    allocator() _NOEXCEPT = default;
 
     template <class _Up>
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
@@ -171,7 +171,7 @@ public:
     typedef true_type   is_always_equal;
 
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-    allocator() _NOEXCEPT _LIBCPP_DEFAULT
+    allocator() _NOEXCEPT = default;
 
     template <class _Up>
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
diff --git a/contrib/libs/cxxsupp/libcxx/include/__memory/allocator_traits.h b/contrib/libs/cxxsupp/libcxx/include/__memory/allocator_traits.h
index cc32352ae1..f4c8fa02d6 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__memory/allocator_traits.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__memory/allocator_traits.h
@@ -349,14 +349,6 @@ struct _LIBCPP_TEMPLATE_VIS allocator_traits
     }
 };
 
-// A version of `allocator_traits` for internal usage that SFINAEs away if the
-// given allocator doesn't have a nested `value_type`. This helps avoid hard
-// errors when forming implicit deduction guides for a container that has an
-// invalid Allocator type. See https://wg21.link/LWGXXXXX.
-// TODO(varconst): use the actual link once available.
-template <class _Alloc, class _ValueType = typename _Alloc::value_type>
-struct _LIBCPP_TEMPLATE_VIS __allocator_traits : allocator_traits<_Alloc> {};
-
 template <class _Traits, class _Tp>
 struct __rebind_alloc_helper {
 #ifndef _LIBCPP_CXX03_LANG
diff --git a/contrib/libs/cxxsupp/libcxx/include/__memory/concepts.h b/contrib/libs/cxxsupp/libcxx/include/__memory/concepts.h
new file mode 100644
index 0000000000..4029b590fe
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__memory/concepts.h
@@ -0,0 +1,66 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___MEMORY_CONCEPTS_H
+#define _LIBCPP___MEMORY_CONCEPTS_H
+
+#include <__config>
+#include <__iterator/concepts.h>
+#include <__iterator/iterator_traits.h>
+#include <__iterator/readable_traits.h>
+#include <__ranges/access.h>
+#include <__ranges/concepts.h>
+#include <concepts>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if !defined(_LIBCPP_HAS_NO_RANGES)
+namespace ranges {
+
+// [special.mem.concepts]
+
+// This concept ensures that uninitialized algorithms can construct an object
+// at the address pointed-to by the iterator, which requires an lvalue.
+template <class _Ip>
+concept __nothrow_input_iterator =
+    input_iterator<_Ip> &&
+    is_lvalue_reference_v<iter_reference_t<_Ip>> &&
+    same_as<remove_cvref_t<iter_reference_t<_Ip>>, iter_value_t<_Ip>>;
+
+template <class _Sp, class _Ip>
+concept __nothrow_sentinel_for = sentinel_for<_Sp, _Ip>;
+
+template <class _Rp>
+concept __nothrow_input_range =
+    range<_Rp> &&
+    __nothrow_input_iterator<iterator_t<_Rp>> &&
+    __nothrow_sentinel_for<sentinel_t<_Rp>, iterator_t<_Rp>>;
+
+template <class _Ip>
+concept __nothrow_forward_iterator =
+    __nothrow_input_iterator<_Ip> &&
+    forward_iterator<_Ip> &&
+    __nothrow_sentinel_for<_Ip, _Ip>;
+
+template <class _Rp>
+concept __nothrow_forward_range =
+    __nothrow_input_range<_Rp> &&
+    __nothrow_forward_iterator<iterator_t<_Rp>>;
+
+} // namespace ranges
+#endif // !defined(_LIBCPP_HAS_NO_RANGES)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___MEMORY_CONCEPTS_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__memory/unique_ptr.h b/contrib/libs/cxxsupp/libcxx/include/__memory/unique_ptr.h
index 7a0e4645fa..3aeff41733 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__memory/unique_ptr.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__memory/unique_ptr.h
@@ -175,17 +175,17 @@ public:
   template <bool _Dummy = true,
             class = _EnableIfDeleterDefaultConstructible<_Dummy> >
   _LIBCPP_INLINE_VISIBILITY
-  _LIBCPP_CONSTEXPR unique_ptr() _NOEXCEPT : __ptr_(pointer(), __default_init_tag()) {}
+  _LIBCPP_CONSTEXPR unique_ptr() _NOEXCEPT : __ptr_(__value_init_tag(), __value_init_tag()) {}
 
   template <bool _Dummy = true,
             class = _EnableIfDeleterDefaultConstructible<_Dummy> >
   _LIBCPP_INLINE_VISIBILITY
-  _LIBCPP_CONSTEXPR unique_ptr(nullptr_t) _NOEXCEPT : __ptr_(pointer(), __default_init_tag()) {}
+  _LIBCPP_CONSTEXPR unique_ptr(nullptr_t) _NOEXCEPT : __ptr_(__value_init_tag(), __value_init_tag()) {}
 
   template <bool _Dummy = true,
             class = _EnableIfDeleterDefaultConstructible<_Dummy> >
   _LIBCPP_INLINE_VISIBILITY
-  explicit unique_ptr(pointer __p) _NOEXCEPT : __ptr_(__p, __default_init_tag()) {}
+  explicit unique_ptr(pointer __p) _NOEXCEPT : __ptr_(__p, __value_init_tag()) {}
 
   template <bool _Dummy = true,
             class = _EnableIfDeleterConstructible<_LValRefType<_Dummy> > >
@@ -227,7 +227,7 @@ public:
              typename enable_if<is_convertible<_Up*, _Tp*>::value &&
                                     is_same<_Dp, default_delete<_Tp> >::value,
                                 __nat>::type = __nat()) _NOEXCEPT
-      : __ptr_(__p.release(), __default_init_tag()) {}
+      : __ptr_(__p.release(), __value_init_tag()) {}
 #endif
 
   _LIBCPP_INLINE_VISIBILITY
@@ -398,19 +398,19 @@ public:
   template <bool _Dummy = true,
             class = _EnableIfDeleterDefaultConstructible<_Dummy> >
   _LIBCPP_INLINE_VISIBILITY
-  _LIBCPP_CONSTEXPR unique_ptr() _NOEXCEPT : __ptr_(pointer(), __default_init_tag()) {}
+  _LIBCPP_CONSTEXPR unique_ptr() _NOEXCEPT : __ptr_(__value_init_tag(), __value_init_tag()) {}
 
   template <bool _Dummy = true,
             class = _EnableIfDeleterDefaultConstructible<_Dummy> >
   _LIBCPP_INLINE_VISIBILITY
-  _LIBCPP_CONSTEXPR unique_ptr(nullptr_t) _NOEXCEPT : __ptr_(pointer(), __default_init_tag()) {}
+  _LIBCPP_CONSTEXPR unique_ptr(nullptr_t) _NOEXCEPT : __ptr_(__value_init_tag(), __value_init_tag()) {}
 
   template <class _Pp, bool _Dummy = true,
             class = _EnableIfDeleterDefaultConstructible<_Dummy>,
             class = _EnableIfPointerConvertible<_Pp> >
   _LIBCPP_INLINE_VISIBILITY
   explicit unique_ptr(_Pp __p) _NOEXCEPT
-      : __ptr_(__p, __default_init_tag()) {}
+      : __ptr_(__p, __value_init_tag()) {}
 
   template <class _Pp, bool _Dummy = true,
             class = _EnableIfDeleterConstructible<_LValRefType<_Dummy> >,
diff --git a/contrib/libs/cxxsupp/libcxx/include/__mutex_base b/contrib/libs/cxxsupp/libcxx/include/__mutex_base
index da2967164a..21e2075603 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__mutex_base
+++ b/contrib/libs/cxxsupp/libcxx/include/__mutex_base
@@ -140,11 +140,9 @@ public:
             __m_->unlock();
     }
 
-private:
-    unique_lock(unique_lock const&); // = delete;
-    unique_lock& operator=(unique_lock const&); // = delete;
+    unique_lock(unique_lock const&) = delete;
+    unique_lock& operator=(unique_lock const&) = delete;
 
-public:
     _LIBCPP_INLINE_VISIBILITY
     unique_lock(unique_lock&& __u) _NOEXCEPT
         : __m_(__u.__m_), __owns_(__u.__owns_)
diff --git a/contrib/libs/cxxsupp/libcxx/include/__nullptr b/contrib/libs/cxxsupp/libcxx/include/__nullptr
index d02be215ef..c6645cd015 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__nullptr
+++ b/contrib/libs/cxxsupp/libcxx/include/__nullptr
@@ -54,7 +54,7 @@ _LIBCPP_END_NAMESPACE_STD
 namespace std
 {
     typedef decltype(nullptr) nullptr_t;
-}
+} // namespace std
 
 #endif // _LIBCPP_HAS_NO_NULLPTR
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/accumulate.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/accumulate.h
new file mode 100644
index 0000000000..fcdad58df1
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/accumulate.h
@@ -0,0 +1,52 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_ACCUMULATE_H
+#define _LIBCPP___NUMERIC_ACCUMULATE_H
+
+#include <__config>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _InputIterator, class _Tp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_Tp
+accumulate(_InputIterator __first, _InputIterator __last, _Tp __init)
+{
+    for (; __first != __last; ++__first)
+#if _LIBCPP_STD_VER > 17
+        __init = _VSTD::move(__init) + *__first;
+#else
+        __init = __init + *__first;
+#endif
+    return __init;
+}
+
+template <class _InputIterator, class _Tp, class _BinaryOperation>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_Tp
+accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op)
+{
+    for (; __first != __last; ++__first)
+#if _LIBCPP_STD_VER > 17
+        __init = __binary_op(_VSTD::move(__init), *__first);
+#else
+        __init = __binary_op(__init, *__first);
+#endif
+    return __init;
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_ACCUMULATE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/adjacent_difference.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/adjacent_difference.h
new file mode 100644
index 0000000000..5c712ecdf7
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/adjacent_difference.h
@@ -0,0 +1,72 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_ADJACENT_DIFFERENCE_H
+#define _LIBCPP___NUMERIC_ADJACENT_DIFFERENCE_H
+
+#include <__config>
+#include <__iterator/iterator_traits.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _InputIterator, class _OutputIterator>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_OutputIterator
+adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
+{
+    if (__first != __last)
+    {
+        typename iterator_traits<_InputIterator>::value_type __acc(*__first);
+        *__result = __acc;
+        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
+        {
+            typename iterator_traits<_InputIterator>::value_type __val(*__first);
+#if _LIBCPP_STD_VER > 17
+            *__result = __val - _VSTD::move(__acc);
+#else
+            *__result = __val - __acc;
+#endif
+            __acc = _VSTD::move(__val);
+        }
+    }
+    return __result;
+}
+
+template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_OutputIterator
+adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
+                      _BinaryOperation __binary_op)
+{
+    if (__first != __last)
+    {
+        typename iterator_traits<_InputIterator>::value_type __acc(*__first);
+        *__result = __acc;
+        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
+        {
+            typename iterator_traits<_InputIterator>::value_type __val(*__first);
+#if _LIBCPP_STD_VER > 17
+            *__result = __binary_op(__val, _VSTD::move(__acc));
+#else
+            *__result = __binary_op(__val, __acc);
+#endif
+            __acc = _VSTD::move(__val);
+        }
+    }
+    return __result;
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_ADJACENT_DIFFERENCE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/exclusive_scan.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/exclusive_scan.h
new file mode 100644
index 0000000000..c0c89b3880
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/exclusive_scan.h
@@ -0,0 +1,53 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H
+#define _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H
+
+#include <__config>
+#include <__functional/operations.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+
+template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator
+exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init, _BinaryOp __b) {
+  if (__first != __last) {
+    _Tp __tmp(__b(__init, *__first));
+    while (true) {
+      *__result = _VSTD::move(__init);
+      ++__result;
+      ++__first;
+      if (__first == __last)
+        break;
+      __init = _VSTD::move(__tmp);
+      __tmp = __b(__init, *__first);
+    }
+  }
+  return __result;
+}
+
+template <class _InputIterator, class _OutputIterator, class _Tp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator
+exclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Tp __init) {
+  return _VSTD::exclusive_scan(__first, __last, __result, __init, _VSTD::plus<>());
+}
+
+#endif // _LIBCPP_STD_VER > 14
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_EXCLUSIVE_SCAN_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/gcd_lcm.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/gcd_lcm.h
new file mode 100644
index 0000000000..34c0e533c9
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/gcd_lcm.h
@@ -0,0 +1,96 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_GCD_LCM_H
+#define _LIBCPP___NUMERIC_GCD_LCM_H
+
+#include <__config>
+#include <__debug>
+#include <limits>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_PUSH_MACROS
+#include <__undef_macros>
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+
+template <typename _Result, typename _Source, bool _IsSigned = is_signed<_Source>::value> struct __ct_abs;
+
+template <typename _Result, typename _Source>
+struct __ct_abs<_Result, _Source, true> {
+    _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
+    _Result operator()(_Source __t) const noexcept
+    {
+        if (__t >= 0) return __t;
+        if (__t == numeric_limits<_Source>::min()) return -static_cast<_Result>(__t);
+        return -__t;
+    }
+};
+
+template <typename _Result, typename _Source>
+struct __ct_abs<_Result, _Source, false> {
+    _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
+    _Result operator()(_Source __t) const noexcept { return __t; }
+};
+
+
+template<class _Tp>
+_LIBCPP_CONSTEXPR _LIBCPP_HIDDEN
+_Tp __gcd(_Tp __m, _Tp __n)
+{
+    static_assert((!is_signed<_Tp>::value), "");
+    return __n == 0 ? __m : _VSTD::__gcd<_Tp>(__n, __m % __n);
+}
+
+template<class _Tp, class _Up>
+_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
+common_type_t<_Tp,_Up>
+gcd(_Tp __m, _Up __n)
+{
+    static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to gcd must be integer types");
+    static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to gcd cannot be bool" );
+    static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to gcd cannot be bool" );
+    using _Rp = common_type_t<_Tp,_Up>;
+    using _Wp = make_unsigned_t<_Rp>;
+    return static_cast<_Rp>(_VSTD::__gcd(
+        static_cast<_Wp>(__ct_abs<_Rp, _Tp>()(__m)),
+        static_cast<_Wp>(__ct_abs<_Rp, _Up>()(__n))));
+}
+
+template<class _Tp, class _Up>
+_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
+common_type_t<_Tp,_Up>
+lcm(_Tp __m, _Up __n)
+{
+    static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to lcm must be integer types");
+    static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to lcm cannot be bool" );
+    static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to lcm cannot be bool" );
+    if (__m == 0 || __n == 0)
+        return 0;
+
+    using _Rp = common_type_t<_Tp,_Up>;
+    _Rp __val1 = __ct_abs<_Rp, _Tp>()(__m) / _VSTD::gcd(__m, __n);
+    _Rp __val2 = __ct_abs<_Rp, _Up>()(__n);
+    _LIBCPP_ASSERT((numeric_limits<_Rp>::max() / __val1 > __val2), "Overflow in lcm");
+    return __val1 * __val2;
+}
+
+#endif // _LIBCPP_STD_VER
+
+_LIBCPP_END_NAMESPACE_STD
+
+_LIBCPP_POP_MACROS
+
+#endif // _LIBCPP___NUMERIC_GCD_LCM_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/inclusive_scan.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/inclusive_scan.h
new file mode 100644
index 0000000000..a6b0050758
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/inclusive_scan.h
@@ -0,0 +1,60 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_INCLUSIVE_SCAN_H
+#define _LIBCPP___NUMERIC_INCLUSIVE_SCAN_H
+
+#include <__config>
+#include <__functional/operations.h>
+#include <__iterator/iterator_traits.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+
+template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator
+inclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _BinaryOp __b, _Tp __init) {
+  for (; __first != __last; ++__first, (void)++__result) {
+    __init = __b(__init, *__first);
+    *__result = __init;
+  }
+  return __result;
+}
+
+template <class _InputIterator, class _OutputIterator, class _BinaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator
+inclusive_scan(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _BinaryOp __b) {
+  if (__first != __last) {
+    typename iterator_traits<_InputIterator>::value_type __init = *__first;
+    *__result++ = __init;
+    if (++__first != __last)
+      return _VSTD::inclusive_scan(__first, __last, __result, __b, __init);
+  }
+
+  return __result;
+}
+
+template <class _InputIterator, class _OutputIterator>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _OutputIterator inclusive_scan(_InputIterator __first,
+                                                                                       _InputIterator __last,
+                                                                                       _OutputIterator __result) {
+  return _VSTD::inclusive_scan(__first, __last, __result, _VSTD::plus<>());
+}
+
+#endif // _LIBCPP_STD_VER > 14
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_INCLUSIVE_SCAN_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/inner_product.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/inner_product.h
new file mode 100644
index 0000000000..004acdde6a
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/inner_product.h
@@ -0,0 +1,53 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_INNER_PRODUCT_H
+#define _LIBCPP___NUMERIC_INNER_PRODUCT_H
+
+#include <__config>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _InputIterator1, class _InputIterator2, class _Tp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_Tp
+inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _Tp __init)
+{
+    for (; __first1 != __last1; ++__first1, (void) ++__first2)
+#if _LIBCPP_STD_VER > 17
+        __init = _VSTD::move(__init) + *__first1 * *__first2;
+#else
+        __init = __init + *__first1 * *__first2;
+#endif
+    return __init;
+}
+
+template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_Tp
+inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2,
+              _Tp __init, _BinaryOperation1 __binary_op1, _BinaryOperation2 __binary_op2)
+{
+    for (; __first1 != __last1; ++__first1, (void) ++__first2)
+#if _LIBCPP_STD_VER > 17
+        __init = __binary_op1(_VSTD::move(__init), __binary_op2(*__first1, *__first2));
+#else
+        __init = __binary_op1(__init, __binary_op2(*__first1, *__first2));
+#endif
+    return __init;
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_INNER_PRODUCT_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/iota.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/iota.h
new file mode 100644
index 0000000000..b30e0e0a54
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/iota.h
@@ -0,0 +1,32 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_IOTA_H
+#define _LIBCPP___NUMERIC_IOTA_H
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _ForwardIterator, class _Tp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+void
+iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __value_)
+{
+    for (; __first != __last; ++__first, (void) ++__value_)
+        *__first = __value_;
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_IOTA_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/midpoint.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/midpoint.h
new file mode 100644
index 0000000000..668030c46b
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/midpoint.h
@@ -0,0 +1,85 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_MIDPOINT_H
+#define _LIBCPP___NUMERIC_MIDPOINT_H
+
+#include <__config>
+#include <limits>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_PUSH_MACROS
+#include <__undef_macros>
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17
+template <class _Tp>
+_LIBCPP_INLINE_VISIBILITY constexpr
+enable_if_t<is_integral_v<_Tp> && !is_same_v<bool, _Tp> && !is_null_pointer_v<_Tp>, _Tp>
+midpoint(_Tp __a, _Tp __b) noexcept
+_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
+{
+    using _Up = make_unsigned_t<_Tp>;
+    constexpr _Up __bitshift = numeric_limits<_Up>::digits - 1;
+
+    _Up __diff = _Up(__b) - _Up(__a);
+    _Up __sign_bit = __b < __a;
+
+    _Up __half_diff = (__diff / 2) + (__sign_bit << __bitshift) + (__sign_bit & __diff);
+
+    return __a + __half_diff;
+}
+
+
+template <class _TPtr>
+_LIBCPP_INLINE_VISIBILITY constexpr
+enable_if_t<is_pointer_v<_TPtr>
+             && is_object_v<remove_pointer_t<_TPtr>>
+             && ! is_void_v<remove_pointer_t<_TPtr>>
+             && (sizeof(remove_pointer_t<_TPtr>) > 0), _TPtr>
+midpoint(_TPtr __a, _TPtr __b) noexcept
+{
+    return __a + _VSTD::midpoint(ptrdiff_t(0), __b - __a);
+}
+
+
+template <typename _Tp>
+constexpr int __sign(_Tp __val) {
+    return (_Tp(0) < __val) - (__val < _Tp(0));
+}
+
+template <typename _Fp>
+constexpr _Fp __fp_abs(_Fp __f) { return __f >= 0 ? __f : -__f; }
+
+template <class _Fp>
+_LIBCPP_INLINE_VISIBILITY constexpr
+enable_if_t<is_floating_point_v<_Fp>, _Fp>
+midpoint(_Fp __a, _Fp __b) noexcept
+{
+    constexpr _Fp __lo = numeric_limits<_Fp>::min()*2;
+    constexpr _Fp __hi = numeric_limits<_Fp>::max()/2;
+    return __fp_abs(__a) <= __hi && __fp_abs(__b) <= __hi ?  // typical case: overflow is impossible
+      (__a + __b)/2 :                                        // always correctly rounded
+      __fp_abs(__a) < __lo ? __a + __b/2 :                   // not safe to halve a
+      __fp_abs(__b) < __lo ? __a/2 + __b :                   // not safe to halve b
+      __a/2 + __b/2;                                         // otherwise correctly rounded
+}
+
+#endif // _LIBCPP_STD_VER > 17
+
+_LIBCPP_END_NAMESPACE_STD
+
+_LIBCPP_POP_MACROS
+
+#endif // _LIBCPP___NUMERIC_MIDPOINT_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/partial_sum.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/partial_sum.h
new file mode 100644
index 0000000000..9acee3afc2
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/partial_sum.h
@@ -0,0 +1,70 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_PARTIAL_SUM_H
+#define _LIBCPP___NUMERIC_PARTIAL_SUM_H
+
+#include <__config>
+#include <__iterator/iterator_traits.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _InputIterator, class _OutputIterator>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_OutputIterator
+partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
+{
+    if (__first != __last)
+    {
+        typename iterator_traits<_InputIterator>::value_type __t(*__first);
+        *__result = __t;
+        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
+        {
+#if _LIBCPP_STD_VER > 17
+            __t = _VSTD::move(__t) + *__first;
+#else
+            __t = __t + *__first;
+#endif
+            *__result = __t;
+        }
+    }
+    return __result;
+}
+
+template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_OutputIterator
+partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
+              _BinaryOperation __binary_op)
+{
+    if (__first != __last)
+    {
+        typename iterator_traits<_InputIterator>::value_type __t(*__first);
+        *__result = __t;
+        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
+        {
+#if _LIBCPP_STD_VER > 17
+            __t = __binary_op(_VSTD::move(__t), *__first);
+#else
+            __t = __binary_op(__t, *__first);
+#endif
+            *__result = __t;
+        }
+    }
+    return __result;
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_PARTIAL_SUM_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/reduce.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/reduce.h
new file mode 100644
index 0000000000..90e4d238d8
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/reduce.h
@@ -0,0 +1,47 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_REDUCE_H
+#define _LIBCPP___NUMERIC_REDUCE_H
+
+#include <__config>
+#include <__functional/operations.h>
+#include <__iterator/iterator_traits.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+template <class _InputIterator, class _Tp, class _BinaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp reduce(_InputIterator __first, _InputIterator __last,
+                                                                   _Tp __init, _BinaryOp __b) {
+  for (; __first != __last; ++__first)
+    __init = __b(__init, *__first);
+  return __init;
+}
+
+template <class _InputIterator, class _Tp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp reduce(_InputIterator __first, _InputIterator __last,
+                                                                   _Tp __init) {
+  return _VSTD::reduce(__first, __last, __init, _VSTD::plus<>());
+}
+
+template <class _InputIterator>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 typename iterator_traits<_InputIterator>::value_type
+reduce(_InputIterator __first, _InputIterator __last) {
+  return _VSTD::reduce(__first, __last, typename iterator_traits<_InputIterator>::value_type{});
+}
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_REDUCE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_exclusive_scan.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_exclusive_scan.h
new file mode 100644
index 0000000000..45b3077f66
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_exclusive_scan.h
@@ -0,0 +1,49 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_TRANSFORM_EXCLUSIVE_SCAN_H
+#define _LIBCPP___NUMERIC_TRANSFORM_EXCLUSIVE_SCAN_H
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+
+template <class _InputIterator, class _OutputIterator, class _Tp,
+          class _BinaryOp, class _UnaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_OutputIterator
+transform_exclusive_scan(_InputIterator __first, _InputIterator __last,
+                           _OutputIterator __result, _Tp __init,
+                           _BinaryOp __b, _UnaryOp __u)
+{
+    if (__first != __last)
+    {
+        _Tp __saved = __init;
+        do
+        {
+            __init = __b(__init, __u(*__first));
+            *__result = __saved;
+            __saved = __init;
+            ++__result;
+        } while (++__first != __last);
+    }
+    return __result;
+}
+
+#endif // _LIBCPP_STD_VER > 14
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_TRANSFORM_EXCLUSIVE_SCAN_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_inclusive_scan.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_inclusive_scan.h
new file mode 100644
index 0000000000..b0d4ab5a88
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_inclusive_scan.h
@@ -0,0 +1,58 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_TRANSFORM_INCLUSIVE_SCAN_H
+#define _LIBCPP___NUMERIC_TRANSFORM_INCLUSIVE_SCAN_H
+
+#include <__config>
+#include <__iterator/iterator_traits.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+
+template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp, class _UnaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_OutputIterator
+transform_inclusive_scan(_InputIterator __first, _InputIterator __last,
+                           _OutputIterator __result, _BinaryOp __b, _UnaryOp __u, _Tp __init)
+{
+    for (; __first != __last; ++__first, (void) ++__result) {
+        __init = __b(__init, __u(*__first));
+        *__result = __init;
+        }
+
+    return __result;
+}
+
+template <class _InputIterator, class _OutputIterator, class _BinaryOp, class _UnaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
+_OutputIterator
+transform_inclusive_scan(_InputIterator __first, _InputIterator __last,
+                               _OutputIterator __result, _BinaryOp __b, _UnaryOp __u)
+{
+    if (__first != __last) {
+        typename iterator_traits<_InputIterator>::value_type __init = __u(*__first);
+        *__result++ = __init;
+        if (++__first != __last)
+            return _VSTD::transform_inclusive_scan(__first, __last, __result, __b, __u, __init);
+    }
+
+    return __result;
+}
+
+#endif // _LIBCPP_STD_VER > 14
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_TRANSFORM_INCLUSIVE_SCAN_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_reduce.h b/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_reduce.h
new file mode 100644
index 0000000000..da5a77988c
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__numeric/transform_reduce.h
@@ -0,0 +1,54 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H
+#define _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H
+
+#include <__config>
+#include <__functional/operations.h>
+#include <__utility/move.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 14
+template <class _InputIterator, class _Tp, class _BinaryOp, class _UnaryOp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp transform_reduce(_InputIterator __first,
+                                                                             _InputIterator __last, _Tp __init,
+                                                                             _BinaryOp __b, _UnaryOp __u) {
+  for (; __first != __last; ++__first)
+    __init = __b(__init, __u(*__first));
+  return __init;
+}
+
+template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOp1, class _BinaryOp2>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp transform_reduce(_InputIterator1 __first1,
+                                                                             _InputIterator1 __last1,
+                                                                             _InputIterator2 __first2, _Tp __init,
+                                                                             _BinaryOp1 __b1, _BinaryOp2 __b2) {
+  for (; __first1 != __last1; ++__first1, (void)++__first2)
+    __init = __b1(__init, __b2(*__first1, *__first2));
+  return __init;
+}
+
+template <class _InputIterator1, class _InputIterator2, class _Tp>
+_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 _Tp transform_reduce(_InputIterator1 __first1,
+                                                                             _InputIterator1 __last1,
+                                                                             _InputIterator2 __first2, _Tp __init) {
+  return _VSTD::transform_reduce(__first1, __last1, __first2, _VSTD::move(__init), _VSTD::plus<>(),
+                                 _VSTD::multiplies<>());
+}
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___NUMERIC_TRANSFORM_REDUCE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__random/clamp_to_integral.h b/contrib/libs/cxxsupp/libcxx/include/__random/clamp_to_integral.h
new file mode 100644
index 0000000000..dd5d2b0186
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__random/clamp_to_integral.h
@@ -0,0 +1,60 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___RANDOM_CLAMP_TO_INTEGRAL_H
+#define _LIBCPP___RANDOM_CLAMP_TO_INTEGRAL_H
+
+#include <__config>
+#include <cmath>
+#include <limits>
+#include <type_traits>
+
+#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 _IntT, class _FloatT,
+    bool _FloatBigger = (numeric_limits<_FloatT>::digits > numeric_limits<_IntT>::digits),
+    int _Bits = (numeric_limits<_IntT>::digits - numeric_limits<_FloatT>::digits)>
+_LIBCPP_INLINE_VISIBILITY
+_LIBCPP_CONSTEXPR _IntT __max_representable_int_for_float() _NOEXCEPT {
+  static_assert(is_floating_point<_FloatT>::value, "must be a floating point type");
+  static_assert(is_integral<_IntT>::value, "must be an integral type");
+  static_assert(numeric_limits<_FloatT>::radix == 2, "FloatT has incorrect radix");
+  static_assert((_IsSame<_FloatT, float>::value || _IsSame<_FloatT, double>::value
+                 || _IsSame<_FloatT,long double>::value), "unsupported floating point type");
+  return _FloatBigger ? numeric_limits<_IntT>::max() :  (numeric_limits<_IntT>::max() >> _Bits << _Bits);
+}
+
+// Convert a floating point number to the specified integral type after
+// clamping to the integral type's representable range.
+//
+// The behavior is undefined if `__r` is NaN.
+template <class _IntT, class _RealT>
+_LIBCPP_INLINE_VISIBILITY
+_IntT __clamp_to_integral(_RealT __r) _NOEXCEPT {
+  using _Lim = numeric_limits<_IntT>;
+  const _IntT _MaxVal = __max_representable_int_for_float<_IntT, _RealT>();
+  if (__r >= ::nextafter(static_cast<_RealT>(_MaxVal), INFINITY)) {
+    return _Lim::max();
+  } else if (__r <= _Lim::lowest()) {
+    return _Lim::min();
+  }
+  return static_cast<_IntT>(__r);
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+_LIBCPP_POP_MACROS
+
+#endif // _LIBCPP___RANDOM_CLAMP_TO_INTEGRAL_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__random/log2.h b/contrib/libs/cxxsupp/libcxx/include/__random/log2.h
index f29b57949c..bfef9ec142 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__random/log2.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__random/log2.h
@@ -12,6 +12,7 @@
 #include <__config>
 #include <cstddef>
 #include <limits>
+#include <type_traits>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
@@ -19,30 +20,54 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
+template <class _UIntType, _UIntType _Xp, size_t _Rp>
+struct __log2_imp;
+
 template <unsigned long long _Xp, size_t _Rp>
-struct __log2_imp
+struct __log2_imp<unsigned long long, _Xp, _Rp>
 {
     static const size_t value = _Xp & ((unsigned long long)(1) << _Rp) ? _Rp
-                                           : __log2_imp<_Xp, _Rp - 1>::value;
+                                           : __log2_imp<unsigned long long, _Xp, _Rp - 1>::value;
 };
 
 template <unsigned long long _Xp>
-struct __log2_imp<_Xp, 0>
+struct __log2_imp<unsigned long long, _Xp, 0>
 {
     static const size_t value = 0;
 };
 
 template <size_t _Rp>
-struct __log2_imp<0, _Rp>
+struct __log2_imp<unsigned long long, 0, _Rp>
 {
     static const size_t value = _Rp + 1;
 };
 
+#ifndef _LIBCPP_HAS_NO_INT128
+
+template <__uint128_t _Xp, size_t _Rp>
+struct __log2_imp<__uint128_t, _Xp, _Rp>
+{
+    static const size_t value = (_Xp >> 64)
+        ? (64 + __log2_imp<unsigned long long, (_Xp >> 64), 63>::value)
+        : __log2_imp<unsigned long long, _Xp, 63>::value;
+};
+
+#endif // _LIBCPP_HAS_NO_INT128
+
 template <class _UIntType, _UIntType _Xp>
 struct __log2
 {
-    static const size_t value = __log2_imp<_Xp,
-                                         sizeof(_UIntType) * __CHAR_BIT__ - 1>::value;
+    static const size_t value = __log2_imp<
+#ifndef _LIBCPP_HAS_NO_INT128
+        typename conditional<
+                sizeof(_UIntType) <= sizeof(unsigned long long),
+                    unsigned long long,
+                    __uint128_t
+            >::type,
+#else
+        unsigned long long,
+#endif // _LIBCPP_HAS_NO_INT128
+        _Xp, sizeof(_UIntType) * __CHAR_BIT__ - 1>::value;
 };
 
 _LIBCPP_END_NAMESPACE_STD
diff --git a/contrib/libs/cxxsupp/libcxx/include/__random/poisson_distribution.h b/contrib/libs/cxxsupp/libcxx/include/__random/poisson_distribution.h
index fb213b0103..d157e8f230 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__random/poisson_distribution.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__random/poisson_distribution.h
@@ -10,6 +10,7 @@
 #define _LIBCPP___RANDOM_POISSON_DISTRIBUTION_H
 
 #include <__config>
+#include <__random/clamp_to_integral.h>
 #include <__random/exponential_distribution.h>
 #include <__random/normal_distribution.h>
 #include <__random/uniform_real_distribution.h>
diff --git a/contrib/libs/cxxsupp/libcxx/include/__random/random_device.h b/contrib/libs/cxxsupp/libcxx/include/__random/random_device.h
index f62f7a3d26..6a6b0cc306 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__random/random_device.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__random/random_device.h
@@ -56,10 +56,8 @@ public:
     // property functions
     double entropy() const _NOEXCEPT;
 
-private:
-    // no copy functions
-    random_device(const random_device&); // = delete;
-    random_device& operator=(const random_device&); // = delete;
+    random_device(const random_device&) = delete;
+    void operator=(const random_device&) = delete;
 };
 
 #endif // !_LIBCPP_HAS_NO_RANDOM_DEVICE
diff --git a/contrib/libs/cxxsupp/libcxx/include/__random/seed_seq.h b/contrib/libs/cxxsupp/libcxx/include/__random/seed_seq.h
index 97bc88d0d4..bf27af6627 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__random/seed_seq.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__random/seed_seq.h
@@ -63,10 +63,8 @@ public:
         void param(_OutputIterator __dest) const
             {_VSTD::copy(__v_.begin(), __v_.end(), __dest);}
 
-private:
-    // no copy functions
-    seed_seq(const seed_seq&); // = delete;
-    void operator=(const seed_seq&); // = delete;
+    seed_seq(const seed_seq&) = delete;
+    void operator=(const seed_seq&) = delete;
 
     _LIBCPP_INLINE_VISIBILITY
     static result_type _Tp(result_type __x) {return __x ^ (__x >> 27);}
diff --git a/contrib/libs/cxxsupp/libcxx/include/__random/uniform_int_distribution.h b/contrib/libs/cxxsupp/libcxx/include/__random/uniform_int_distribution.h
index 3f47d5f470..55b4761637 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__random/uniform_int_distribution.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__random/uniform_int_distribution.h
@@ -12,6 +12,7 @@
 #include <__bits>
 #include <__config>
 #include <__random/log2.h>
+#include <bit>
 #include <cstddef>
 #include <cstdint>
 #include <iosfwd>
@@ -154,7 +155,7 @@ __independent_bits_engine<_Engine, _UIntType>::__eval(true_type)
     return _Sp;
 }
 
-template<class _IntType = int>
+template<class _IntType = int> // __int128_t is also supported as an extension here
 class uniform_int_distribution
 {
 public:
@@ -229,8 +230,8 @@ typename uniform_int_distribution<_IntType>::result_type
 uniform_int_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p)
 _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
 {
-    typedef typename conditional<sizeof(result_type) <= sizeof(uint32_t),
-                                            uint32_t, uint64_t>::type _UIntType;
+    typedef typename conditional<sizeof(result_type) <= sizeof(uint32_t), uint32_t,
+                                 typename make_unsigned<result_type>::type>::type _UIntType;
     const _UIntType _Rp = _UIntType(__p.b()) - _UIntType(__p.a()) + _UIntType(1);
     if (_Rp == 1)
         return __p.a();
@@ -238,7 +239,7 @@ _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
     typedef __independent_bits_engine<_URNG, _UIntType> _Eng;
     if (_Rp == 0)
         return static_cast<result_type>(_Eng(__g, _Dt)());
-    size_t __w = _Dt - __libcpp_clz(_Rp) - 1;
+    size_t __w = _Dt - __countl_zero(_Rp) - 1;
     if ((_Rp & (numeric_limits<_UIntType>::max() >> (_Dt - __w))) != 0)
         ++__w;
     _Eng __e(__g, __w);
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/counted.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/counted.h
index d292bcbb18..cb97840924 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/counted.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/counted.h
@@ -9,6 +9,7 @@
 #ifndef _LIBCPP___RANGES_COUNTED_H
 #define _LIBCPP___RANGES_COUNTED_H
 
+#include <__concepts/convertible_to.h>
 #include <__config>
 #include <__iterator/concepts.h>
 #include <__iterator/counted_iterator.h>
@@ -16,10 +17,7 @@
 #include <__iterator/incrementable_traits.h>
 #include <__iterator/iterator_traits.h>
 #include <__memory/pointer_traits.h>
-#include <__ranges/concepts.h>
 #include <__ranges/subrange.h>
-#include <__utility/decay_copy.h>
-#include <__utility/declval.h>
 #include <__utility/forward.h>
 #include <__utility/move.h>
 #include <span>
@@ -36,50 +34,39 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 namespace ranges::views {
 
 namespace __counted {
-  template<class _From, class _To>
-  concept __explicitly_convertible = requires {
-    _To(_From{});
-  };
 
   struct __fn {
-    template<class _Iter, class _Diff>
-      requires contiguous_iterator<decay_t<_Iter>> &&
-               __explicitly_convertible<_Diff, iter_difference_t<_Iter>>
+    template<contiguous_iterator _It>
     _LIBCPP_HIDE_FROM_ABI
-    constexpr auto operator()(_Iter&& __it, _Diff __c) const
-      noexcept(noexcept(
-        span(_VSTD::to_address(__it), static_cast<iter_difference_t<_Iter>>(__c))
-      ))
-    {
-      return span(_VSTD::to_address(__it), static_cast<iter_difference_t<_Iter>>(__c));
-    }
-
-    template<class _Iter, class _Diff>
-      requires random_access_iterator<decay_t<_Iter>> &&
-               __explicitly_convertible<_Diff, iter_difference_t<_Iter>>
+    static constexpr auto __go(_It __it, iter_difference_t<_It> __count)
+      noexcept(noexcept(span(_VSTD::to_address(__it), static_cast<size_t>(__count))))
+      // Deliberately omit return-type SFINAE, because to_address is not SFINAE-friendly
+      { return          span(_VSTD::to_address(__it), static_cast<size_t>(__count)); }
+
+    template<random_access_iterator _It>
     _LIBCPP_HIDE_FROM_ABI
-    constexpr auto operator()(_Iter&& __it, _Diff __c) const
-      noexcept(
-        noexcept(__it + static_cast<iter_difference_t<_Iter>>(__c)) &&
-        noexcept(ranges::subrange(_VSTD::forward<_Iter>(__it), _VSTD::__decay_copy(__it)))
-      )
-    {
-      auto __last = __it + static_cast<iter_difference_t<_Iter>>(__c);
-      return ranges::subrange(_VSTD::forward<_Iter>(__it), _VSTD::move(__last));
-    }
-
-    template<class _Iter, class _Diff>
-      requires __explicitly_convertible<_Diff, iter_difference_t<_Iter>>
+    static constexpr auto __go(_It __it, iter_difference_t<_It> __count)
+      noexcept(noexcept(subrange(__it, __it + __count)))
+      -> decltype(      subrange(__it, __it + __count))
+      { return          subrange(__it, __it + __count); }
+
+    template<class _It>
     _LIBCPP_HIDE_FROM_ABI
-    constexpr auto operator()(_Iter&& __it, _Diff __c) const
-      noexcept(noexcept(
-        ranges::subrange(counted_iterator(_VSTD::forward<_Iter>(__it), __c), default_sentinel)
-      ))
-    {
-      return ranges::subrange(counted_iterator(_VSTD::forward<_Iter>(__it), __c), default_sentinel);
-    }
+    static constexpr auto __go(_It __it, iter_difference_t<_It> __count)
+      noexcept(noexcept(subrange(counted_iterator(_VSTD::move(__it), __count), default_sentinel)))
+      -> decltype(      subrange(counted_iterator(_VSTD::move(__it), __count), default_sentinel))
+      { return          subrange(counted_iterator(_VSTD::move(__it), __count), default_sentinel); }
+
+    template<class _It, convertible_to<iter_difference_t<_It>> _Diff>
+      requires input_or_output_iterator<decay_t<_It>>
+    [[nodiscard]] _LIBCPP_HIDE_FROM_ABI
+    constexpr auto operator()(_It&& __it, _Diff&& __count) const
+      noexcept(noexcept(__go(_VSTD::forward<_It>(__it), _VSTD::forward<_Diff>(__count))))
+      -> decltype(      __go(_VSTD::forward<_It>(__it), _VSTD::forward<_Diff>(__count)))
+      { return          __go(_VSTD::forward<_It>(__it), _VSTD::forward<_Diff>(__count)); }
   };
-}
+
+} // namespace __counted
 
 inline namespace __cpo {
   inline constexpr auto counted = __counted::__fn{};
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/subrange.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/subrange.h
index af4e276006..8e984f2bf0 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/subrange.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/subrange.h
@@ -91,14 +91,14 @@ namespace ranges {
     _LIBCPP_HIDE_FROM_ABI
     constexpr subrange(__convertible_to_non_slicing<_Iter> auto __iter, _Sent __sent)
       requires _MustProvideSizeAtConstruction
-      : __begin_(_VSTD::move(__iter)), __end_(std::move(__sent))
+      : __begin_(_VSTD::move(__iter)), __end_(_VSTD::move(__sent))
     { }
 
     _LIBCPP_HIDE_FROM_ABI
     constexpr subrange(__convertible_to_non_slicing<_Iter> auto __iter, _Sent __sent,
                        make_unsigned_t<iter_difference_t<_Iter>> __n)
       requires (_Kind == subrange_kind::sized)
-      : __begin_(_VSTD::move(__iter)), __end_(std::move(__sent)), __size_(__n)
+      : __begin_(_VSTD::move(__iter)), __end_(_VSTD::move(__sent)), __size_(__n)
     {
       if constexpr (sized_sentinel_for<_Sent, _Iter>)
         _LIBCPP_ASSERT((__end_ - __begin_) == static_cast<iter_difference_t<_Iter>>(__n),
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h
index 208a9a2269..0f53fbaa7e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h
@@ -46,11 +46,15 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 namespace ranges {
 
+template<class _Fn, class _View>
+concept __regular_invocable_with_range_ref =
+  regular_invocable<_Fn, range_reference_t<_View>>;
+
 template<class _View, class _Fn>
 concept __transform_view_constraints =
-           view<_View> && is_object_v<_Fn> &&
-           regular_invocable<_Fn&, range_reference_t<_View>> &&
-           __referenceable<invoke_result_t<_Fn&, range_reference_t<_View>>>;
+  view<_View> && is_object_v<_Fn> &&
+  regular_invocable<_Fn&, range_reference_t<_View>> &&
+  __referenceable<invoke_result_t<_Fn&, range_reference_t<_View>>>;
 
 template<input_range _View, copy_constructible _Fn>
   requires __transform_view_constraints<_View, _Fn>
@@ -82,7 +86,7 @@ public:
   _LIBCPP_HIDE_FROM_ABI
   constexpr __iterator<true> begin() const
     requires range<const _View> &&
-             regular_invocable<const _Fn&, range_reference_t<const _View>>
+             __regular_invocable_with_range_ref<const _Fn&, const _View>
   {
     return __iterator<true>(*this, ranges::begin(__base_));
   }
@@ -100,14 +104,14 @@ public:
   _LIBCPP_HIDE_FROM_ABI
   constexpr __sentinel<true> end() const
     requires range<const _View> &&
-             regular_invocable<const _Fn&, range_reference_t<const _View>>
+             __regular_invocable_with_range_ref<const _Fn&, const _View>
   {
     return __sentinel<true>(ranges::end(__base_));
   }
   _LIBCPP_HIDE_FROM_ABI
   constexpr __iterator<true> end() const
     requires common_range<const _View> &&
-             regular_invocable<const _Fn&, range_reference_t<const _View>>
+             __regular_invocable_with_range_ref<const _Fn&, const _View>
   {
     return __iterator<true>(*this, ranges::end(__base_));
   }
diff --git a/contrib/libs/cxxsupp/libcxx/include/__string b/contrib/libs/cxxsupp/libcxx/include/__string
index 50f6f5e475..6b7d50b1ed 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__string
+++ b/contrib/libs/cxxsupp/libcxx/include/__string
@@ -42,9 +42,6 @@ _LIBCPP_PUSH_MACROS
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-// The the extern template ABI lists are kept outside of <string> to improve the
-// readability of that header.
-
 // The extern template ABI lists are kept outside of <string> to improve the
 // readability of that header. We maintain 2 ABI lists:
 // - _LIBCPP_STRING_V1_EXTERN_TEMPLATE_LIST
diff --git a/contrib/libs/cxxsupp/libcxx/include/__threading_support b/contrib/libs/cxxsupp/libcxx/include/__threading_support
index 9f70ad18b4..54d99e36b3 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__threading_support
+++ b/contrib/libs/cxxsupp/libcxx/include/__threading_support
@@ -298,7 +298,7 @@ inline __libcpp_timespec_t __convert_to_timespec(const chrono::nanoseconds& __ns
   return __ts;
 }
 
-}
+} // namespace __thread_detail
 
 #if defined(_LIBCPP_HAS_THREAD_API_PTHREAD)
 
@@ -645,7 +645,7 @@ namespace this_thread
 
 _LIBCPP_INLINE_VISIBILITY __thread_id get_id() _NOEXCEPT;
 
-}  // this_thread
+} // namespace this_thread
 
 template<> struct hash<__thread_id>;
 
@@ -715,7 +715,7 @@ get_id() _NOEXCEPT
     return __libcpp_thread_get_current_id();
 }
 
-}  // this_thread
+} // namespace this_thread
 
 #endif // !_LIBCPP_HAS_NO_THREADS
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__utility/rel_ops.h b/contrib/libs/cxxsupp/libcxx/include/__utility/rel_ops.h
index c94b8fddaf..d59e96d72d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__utility/rel_ops.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__utility/rel_ops.h
@@ -55,7 +55,7 @@ operator>=(const _Tp& __x, const _Tp& __y)
     return !(__x < __y);
 }
 
-}  // rel_ops
+} // namespace rel_ops
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/atomic b/contrib/libs/cxxsupp/libcxx/include/atomic
index 188b36c69f..da3bfb03aa 100644
--- a/contrib/libs/cxxsupp/libcxx/include/atomic
+++ b/contrib/libs/cxxsupp/libcxx/include/atomic
@@ -1464,7 +1464,7 @@ struct __cxx_atomic_impl : public _Base {
     static_assert(is_trivially_copyable<_Tp>::value,
       "std::atomic<T> requires that 'T' be a trivially copyable type");
 
-  _LIBCPP_INLINE_VISIBILITY __cxx_atomic_impl() _NOEXCEPT _LIBCPP_DEFAULT
+  _LIBCPP_INLINE_VISIBILITY __cxx_atomic_impl() _NOEXCEPT = default;
   _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR explicit __cxx_atomic_impl(_Tp value) _NOEXCEPT
     : _Base(value) {}
 };
@@ -1665,7 +1665,7 @@ struct __atomic_base  // false
     __atomic_base() noexcept(is_nothrow_default_constructible_v<_Tp>) : __a_(_Tp()) {}
 #else
     _LIBCPP_INLINE_VISIBILITY
-    __atomic_base() _NOEXCEPT _LIBCPP_DEFAULT
+    __atomic_base() _NOEXCEPT = default;
 #endif
 
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
@@ -1701,7 +1701,7 @@ struct __atomic_base<_Tp, true>
     typedef __atomic_base<_Tp, false> __base;
 
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-    __atomic_base() _NOEXCEPT _LIBCPP_DEFAULT
+    __atomic_base() _NOEXCEPT = default;
 
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR __atomic_base(_Tp __d) _NOEXCEPT : __base(__d) {}
@@ -1790,7 +1790,7 @@ struct atomic
     atomic() = default;
 #else
     _LIBCPP_INLINE_VISIBILITY
-    atomic() _NOEXCEPT _LIBCPP_DEFAULT
+    atomic() _NOEXCEPT = default;
 #endif
 
     _LIBCPP_INLINE_VISIBILITY
@@ -1818,7 +1818,7 @@ struct atomic<_Tp*>
     typedef ptrdiff_t difference_type;
 
     _LIBCPP_INLINE_VISIBILITY
-    atomic() _NOEXCEPT _LIBCPP_DEFAULT
+    atomic() _NOEXCEPT = default;
 
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR atomic(_Tp* __d) _NOEXCEPT : __base(__d) {}
@@ -2460,7 +2460,7 @@ typedef struct atomic_flag
     atomic_flag() _NOEXCEPT : __a_(false) {}
 #else
     _LIBCPP_INLINE_VISIBILITY
-    atomic_flag() _NOEXCEPT _LIBCPP_DEFAULT
+    atomic_flag() _NOEXCEPT = default;
 #endif
 
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
diff --git a/contrib/libs/cxxsupp/libcxx/include/charconv b/contrib/libs/cxxsupp/libcxx/include/charconv
index 3c969dc79a..ff7b75c8d7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/charconv
+++ b/contrib/libs/cxxsupp/libcxx/include/charconv
@@ -105,7 +105,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 namespace __itoa {
 _LIBCPP_AVAILABILITY_TO_CHARS _LIBCPP_FUNC_VIS char* __u64toa(uint64_t __value, char* __buffer) _NOEXCEPT;
 _LIBCPP_AVAILABILITY_TO_CHARS _LIBCPP_FUNC_VIS char* __u32toa(uint32_t __value, char* __buffer) _NOEXCEPT;
-}
+} // namespace __itoa
 
 #ifndef _LIBCPP_CXX03_LANG
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/chrono b/contrib/libs/cxxsupp/libcxx/include/chrono
index b133a6b460..a10a80ab91 100644
--- a/contrib/libs/cxxsupp/libcxx/include/chrono
+++ b/contrib/libs/cxxsupp/libcxx/include/chrono
@@ -743,7 +743,7 @@ struct __is_duration<volatile duration<_Rep, _Period> > : true_type  {};
 template <class _Rep, class _Period>
 struct __is_duration<const volatile duration<_Rep, _Period> > : true_type  {};
 
-} // chrono
+} // namespace chrono
 
 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
 struct _LIBCPP_TEMPLATE_VIS common_type<chrono::duration<_Rep1, _Period1>,
@@ -1270,7 +1270,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() _NOEXCEPT {return time_point(duration::max());}
 };
 
-} // chrono
+} // namespace chrono
 
 template <class _Clock, class _Duration1, class _Duration2>
 struct _LIBCPP_TEMPLATE_VIS common_type<chrono::time_point<_Clock, _Duration1>,
@@ -2706,7 +2706,7 @@ constexpr hours make24(const hours& __h, bool __is_pm) noexcept
 }
 
 #endif // _LIBCPP_STD_VER > 17
-} // chrono
+} // namespace chrono
 
 #if _LIBCPP_STD_VER > 11
 // Suffixes for duration literals [time.duration.literals]
@@ -2791,11 +2791,12 @@ inline namespace literals
         return chrono::year(static_cast<int>(__y));
     }
 #endif
-}}
+} // namespace chrono_literals
+} // namespace literals
 
 namespace chrono { // hoist the literals into namespace std::chrono
    using namespace literals::chrono_literals;
-}
+} // namespace chrono
 
 #endif
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/cmath b/contrib/libs/cxxsupp/libcxx/include/cmath
index 5ad779ec00..2bae24877d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cmath
+++ b/contrib/libs/cxxsupp/libcxx/include/cmath
@@ -638,36 +638,6 @@ lerp(long double __a, long double __b, long double __t) _NOEXCEPT { return __ler
 
 #endif // _LIBCPP_STD_VER > 17
 
-template <class _IntT, class _FloatT,
-    bool _FloatBigger = (numeric_limits<_FloatT>::digits > numeric_limits<_IntT>::digits),
-    int _Bits = (numeric_limits<_IntT>::digits - numeric_limits<_FloatT>::digits)>
-_LIBCPP_INLINE_VISIBILITY
-_LIBCPP_CONSTEXPR _IntT __max_representable_int_for_float() _NOEXCEPT {
-  static_assert(is_floating_point<_FloatT>::value, "must be a floating point type");
-  static_assert(is_integral<_IntT>::value, "must be an integral type");
-  static_assert(numeric_limits<_FloatT>::radix == 2, "FloatT has incorrect radix");
-  static_assert((_IsSame<_FloatT, float>::value || _IsSame<_FloatT, double>::value
-                 || _IsSame<_FloatT,long double>::value), "unsupported floating point type");
-  return _FloatBigger ? numeric_limits<_IntT>::max() :  (numeric_limits<_IntT>::max() >> _Bits << _Bits);
-}
-
-// Convert a floating point number to the specified integral type after
-// clamping to the integral types representable range.
-//
-// The behavior is undefined if `__r` is NaN.
-template <class _IntT, class _RealT>
-_LIBCPP_INLINE_VISIBILITY
-_IntT __clamp_to_integral(_RealT __r) _NOEXCEPT {
-  using _Lim = numeric_limits<_IntT>;
-  const _IntT _MaxVal = __max_representable_int_for_float<_IntT, _RealT>();
-  if (__r >= ::nextafter(static_cast<_RealT>(_MaxVal), INFINITY)) {
-    return _Lim::max();
-  } else if (__r <= _Lim::lowest()) {
-    return _Lim::min();
-  }
-  return static_cast<_IntT>(__r);
-}
-
 _LIBCPP_END_NAMESPACE_STD
 
 _LIBCPP_POP_MACROS
diff --git a/contrib/libs/cxxsupp/libcxx/include/compare b/contrib/libs/cxxsupp/libcxx/include/compare
index 5c4578da0b..5d07ebaf2f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/compare
+++ b/contrib/libs/cxxsupp/libcxx/include/compare
@@ -146,4 +146,8 @@ namespace std {
 #include <__compare/weak_order.h>
 #include <__config>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
 #endif // _LIBCPP_COMPARE
diff --git a/contrib/libs/cxxsupp/libcxx/include/complex b/contrib/libs/cxxsupp/libcxx/include/complex
index 7c9a5b94fa..3c59754da5 100644
--- a/contrib/libs/cxxsupp/libcxx/include/complex
+++ b/contrib/libs/cxxsupp/libcxx/include/complex
@@ -1487,8 +1487,8 @@ inline namespace literals
         return { 0.0f, static_cast<float>(__im) };
     }
 #endif
-  }
-}
+  } // namespace complex_literals
+} // namespace literals
 #endif
 
 _LIBCPP_END_NAMESPACE_STD
diff --git a/contrib/libs/cxxsupp/libcxx/include/deque b/contrib/libs/cxxsupp/libcxx/include/deque
index c6619d3b77..1f8d301260 100644
--- a/contrib/libs/cxxsupp/libcxx/include/deque
+++ b/contrib/libs/cxxsupp/libcxx/include/deque
@@ -917,16 +917,16 @@ class __deque_base
     __deque_base(const __deque_base& __c);
     __deque_base& operator=(const __deque_base& __c);
 public:
-    typedef _Allocator                               allocator_type;
-    typedef allocator_traits<allocator_type>         __alloc_traits;
-    typedef typename __alloc_traits::size_type       size_type;
+    typedef _Allocator                                allocator_type;
+    typedef allocator_traits<allocator_type>          __alloc_traits;
+    typedef typename __alloc_traits::size_type        size_type;
 
-    typedef _Tp                                      value_type;
-    typedef value_type&                              reference;
-    typedef const value_type&                        const_reference;
-    typedef typename __alloc_traits::difference_type difference_type;
-    typedef typename __alloc_traits::pointer         pointer;
-    typedef typename __alloc_traits::const_pointer   const_pointer;
+    typedef _Tp                                       value_type;
+    typedef value_type&                               reference;
+    typedef const value_type&                         const_reference;
+    typedef typename __alloc_traits::difference_type  difference_type;
+    typedef typename __alloc_traits::pointer          pointer;
+    typedef typename __alloc_traits::const_pointer    const_pointer;
 
     static const difference_type __block_size;
 
@@ -1261,20 +1261,20 @@ public:
     static_assert((is_same<typename allocator_type::value_type, value_type>::value),
                   "Allocator::value_type must be same type as value_type");
 
-    typedef __deque_base<value_type, allocator_type>                 __base;
+    typedef __deque_base<value_type, allocator_type>      __base;
 
-    typedef typename __base::__alloc_traits                          __alloc_traits;
-    typedef typename __base::reference                               reference;
-    typedef typename __base::const_reference                         const_reference;
-    typedef typename __base::iterator                                iterator;
-    typedef typename __base::const_iterator                          const_iterator;
-    typedef typename __allocator_traits<allocator_type>::size_type   size_type;
-    typedef typename __base::difference_type                         difference_type;
+    typedef typename __base::__alloc_traits               __alloc_traits;
+    typedef typename __base::reference                    reference;
+    typedef typename __base::const_reference              const_reference;
+    typedef typename __base::iterator                     iterator;
+    typedef typename __base::const_iterator               const_iterator;
+    typedef typename __base::size_type                    size_type;
+    typedef typename __base::difference_type              difference_type;
 
-    typedef typename __base::pointer                                 pointer;
-    typedef typename __base::const_pointer                           const_pointer;
-    typedef _VSTD::reverse_iterator<iterator>                        reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator>                  const_reverse_iterator;
+    typedef typename __base::pointer                      pointer;
+    typedef typename __base::const_pointer                const_pointer;
+    typedef _VSTD::reverse_iterator<iterator>             reverse_iterator;
+    typedef _VSTD::reverse_iterator<const_iterator>       const_reverse_iterator;
 
     using typename __base::__deque_range;
     using typename __base::__deque_block_range;
@@ -1291,7 +1291,14 @@ public:
     explicit deque(size_type __n, const _Allocator& __a);
 #endif
     deque(size_type __n, const value_type& __v);
-    deque(size_type __n, const value_type& __v, const allocator_type& __a);
+
+    template <class = __enable_if_t<__is_allocator<_Allocator>::value> >
+    deque(size_type __n, const value_type& __v, const allocator_type& __a) : __base(__a)
+    {
+        if (__n > 0)
+            __append(__n, __v);
+    }
+
     template <class _InputIter>
         deque(_InputIter __f, _InputIter __l,
               typename enable_if<__is_cpp17_input_iterator<_InputIter>::value>::type* = 0);
@@ -1611,14 +1618,6 @@ deque<_Tp, _Allocator>::deque(size_type __n, const value_type& __v)
 }
 
 template <class _Tp, class _Allocator>
-deque<_Tp, _Allocator>::deque(size_type __n, const value_type& __v, const allocator_type& __a)
-    : __base(__a)
-{
-    if (__n > 0)
-        __append(__n, __v);
-}
-
-template <class _Tp, class _Allocator>
 template <class _InputIter>
 deque<_Tp, _Allocator>::deque(_InputIter __f, _InputIter __l,
               typename enable_if<__is_cpp17_input_iterator<_InputIter>::value>::type*)
diff --git a/contrib/libs/cxxsupp/libcxx/include/exception b/contrib/libs/cxxsupp/libcxx/include/exception
index f29147d935..5bcd5817e4 100644
--- a/contrib/libs/cxxsupp/libcxx/include/exception
+++ b/contrib/libs/cxxsupp/libcxx/include/exception
@@ -303,6 +303,6 @@ rethrow_if_nested(const _Ep&,
 {
 }
 
-}  // std
+} // namespace std
 
 #endif // _LIBCPP_EXCEPTION
diff --git a/contrib/libs/cxxsupp/libcxx/include/execution b/contrib/libs/cxxsupp/libcxx/include/execution
index f87bb77f93..58b8b4bf72 100644
--- a/contrib/libs/cxxsupp/libcxx/include/execution
+++ b/contrib/libs/cxxsupp/libcxx/include/execution
@@ -16,4 +16,8 @@
 //#   include <__pstl_execution>
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
 #endif // _LIBCPP_EXECUTION
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/__memory b/contrib/libs/cxxsupp/libcxx/include/experimental/__memory
index b38b664b33..bd9bf95e59 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/__memory
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/__memory
@@ -17,6 +17,10 @@
 #include <__functional_base>
 #include <type_traits>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
 _LIBCPP_BEGIN_NAMESPACE_LFTS
 
 template <
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/iterator b/contrib/libs/cxxsupp/libcxx/include/experimental/iterator
index 10c903832d..9da08a0cff 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/iterator
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/iterator
@@ -52,15 +52,18 @@ namespace std {
 
 */
 
-#include <experimental/__config>
-
-#if _LIBCPP_STD_VER > 11
-
 #include <__memory/addressof.h>
 #include <__utility/move.h>
 #include <__utility/forward.h>
+#include <experimental/__config>
 #include <iterator>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+#if _LIBCPP_STD_VER > 11
+
 _LIBCPP_BEGIN_NAMESPACE_LFTS
 
 template <class _Delim, class _CharT = char, class _Traits = char_traits<_CharT>>
@@ -111,6 +114,6 @@ make_ostream_joiner(basic_ostream<_CharT, _Traits>& __os, _Delim && __d)
 
 _LIBCPP_END_NAMESPACE_LFTS
 
-#endif /* _LIBCPP_STD_VER > 11 */
+#endif // _LIBCPP_STD_VER > 11
 
 #endif // _LIBCPP_EXPERIMENTAL_ITERATOR
diff --git a/contrib/libs/cxxsupp/libcxx/include/ext/__hash b/contrib/libs/cxxsupp/libcxx/include/ext/__hash
index 268577f3c9..2f998ee40a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ext/__hash
+++ b/contrib/libs/cxxsupp/libcxx/include/ext/__hash
@@ -129,6 +129,6 @@ template <> struct _LIBCPP_TEMPLATE_VIS hash<unsigned long>
         return __c;
     }
 };
-}
+} // namespace __gnu_cxx
 
 #endif // _LIBCPP_EXT_HASH
diff --git a/contrib/libs/cxxsupp/libcxx/include/ext/hash_map b/contrib/libs/cxxsupp/libcxx/include/ext/hash_map
index 6c757e2fba..d6ea26c2cf 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ext/hash_map
+++ b/contrib/libs/cxxsupp/libcxx/include/ext/hash_map
@@ -979,6 +979,6 @@ operator!=(const hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
     return !(__x == __y);
 }
 
-} // __gnu_cxx
+} // namespace __gnu_cxx
 
 #endif // _LIBCPP_HASH_MAP
diff --git a/contrib/libs/cxxsupp/libcxx/include/ext/hash_set b/contrib/libs/cxxsupp/libcxx/include/ext/hash_set
index b61f5f1da4..7d19ccd006 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ext/hash_set
+++ b/contrib/libs/cxxsupp/libcxx/include/ext/hash_set
@@ -205,6 +205,10 @@ template <class Value, class Hash, class Pred, class Alloc>
 #endif
 #endif
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
 namespace __gnu_cxx {
 
 
@@ -654,6 +658,6 @@ operator!=(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
     return !(__x == __y);
 }
 
-} // __gnu_cxx
+} // namespace __gnu_cxx
 
 #endif // _LIBCPP_HASH_SET
diff --git a/contrib/libs/cxxsupp/libcxx/include/filesystem b/contrib/libs/cxxsupp/libcxx/include/filesystem
index 5333c2e63b..0fec8674a5 100644
--- a/contrib/libs/cxxsupp/libcxx/include/filesystem
+++ b/contrib/libs/cxxsupp/libcxx/include/filesystem
@@ -1039,7 +1039,7 @@ public:
     auto __p_root_name = __p.__root_name();
     auto __p_root_name_size = __p_root_name.size();
     if (__p.is_absolute() ||
-        (!__p_root_name.empty() && __p_root_name != root_name())) {
+        (!__p_root_name.empty() && __p_root_name != __string_view(root_name().__pn_))) {
       __pn_ = __p.__pn_;
       return *this;
     }
@@ -1498,22 +1498,22 @@ public:
 #endif // !_LIBCPP_HAS_NO_LOCALIZATION
 
   friend _LIBCPP_INLINE_VISIBILITY bool operator==(const path& __lhs, const path& __rhs) noexcept {
-    return __lhs.compare(__rhs) == 0;
+    return __lhs.__compare(__rhs.__pn_) == 0;
   }
   friend _LIBCPP_INLINE_VISIBILITY bool operator!=(const path& __lhs, const path& __rhs) noexcept {
-    return __lhs.compare(__rhs) != 0;
+    return __lhs.__compare(__rhs.__pn_) != 0;
   }
   friend _LIBCPP_INLINE_VISIBILITY bool operator<(const path& __lhs, const path& __rhs) noexcept {
-    return __lhs.compare(__rhs) < 0;
+    return __lhs.__compare(__rhs.__pn_) < 0;
   }
   friend _LIBCPP_INLINE_VISIBILITY bool operator<=(const path& __lhs, const path& __rhs) noexcept {
-    return __lhs.compare(__rhs) <= 0;
+    return __lhs.__compare(__rhs.__pn_) <= 0;
   }
   friend _LIBCPP_INLINE_VISIBILITY bool operator>(const path& __lhs, const path& __rhs) noexcept {
-    return __lhs.compare(__rhs) > 0;
+    return __lhs.__compare(__rhs.__pn_) > 0;
   }
   friend _LIBCPP_INLINE_VISIBILITY bool operator>=(const path& __lhs, const path& __rhs) noexcept {
-    return __lhs.compare(__rhs) >= 0;
+    return __lhs.__compare(__rhs.__pn_) >= 0;
   }
 
   friend _LIBCPP_INLINE_VISIBILITY path operator/(const path& __lhs,
@@ -3030,13 +3030,17 @@ _LIBCPP_END_NAMESPACE_FILESYSTEM
 
 #if !defined(_LIBCPP_HAS_NO_RANGES)
 template <>
+_LIBCPP_AVAILABILITY_FILESYSTEM
 inline constexpr bool _VSTD::ranges::enable_borrowed_range<_VSTD_FS::directory_iterator> = true;
 template <>
+_LIBCPP_AVAILABILITY_FILESYSTEM
 inline constexpr bool _VSTD::ranges::enable_borrowed_range<_VSTD_FS::recursive_directory_iterator> = true;
 
 template <>
+_LIBCPP_AVAILABILITY_FILESYSTEM
 inline constexpr bool _VSTD::ranges::enable_view<_VSTD_FS::directory_iterator> = true;
 template <>
+_LIBCPP_AVAILABILITY_FILESYSTEM
 inline constexpr bool _VSTD::ranges::enable_view<_VSTD_FS::recursive_directory_iterator> = true;
 #endif
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/format b/contrib/libs/cxxsupp/libcxx/include/format
index e1d47c9f84..788b9c299a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/format
+++ b/contrib/libs/cxxsupp/libcxx/include/format
@@ -51,9 +51,6 @@ namespace std {
   using wformat_args = basic_format_args<wformat_context>;
 
 
-  template<class Out, class charT>
-    using format_args_t = basic_format_args<basic_format_context<Out, charT>>;
-
   // [format.functions], formatting functions
   template<class... Args>
     string format(string_view fmt, const Args&... args);
@@ -79,17 +76,15 @@ namespace std {
     Out format_to(Out out, const locale& loc, wstring_view fmt, const Args&... args);
 
   template<class Out>
-    Out vformat_to(Out out, string_view fmt,
-                   format_args_t<type_identity_t<Out>, char> args);
+    Out vformat_to(Out out, string_view fmt, format_args args);
   template<class Out>
-    Out vformat_to(Out out, wstring_view fmt,
-                   format_args_t<type_identity_t<Out>, wchar_t> args);
+    Out vformat_to(Out out, wstring_view fmt, wformat_args args);
   template<class Out>
     Out vformat_to(Out out, const locale& loc, string_view fmt,
-                   format_args_t<type_identity_t<Out>, char> args);
+                   format_args char> args);
   template<class Out>
     Out vformat_to(Out out, const locale& loc, wstring_view fmt,
-                   format_args_t<type_identity_t<Out>, wchar_t> args);
+                   wformat_args args);
 
   template<class Out> struct format_to_n_result {
     Out out;
@@ -325,9 +320,6 @@ using format_args = basic_format_args<format_context>;
 using wformat_args = basic_format_args<wformat_context>;
 #endif
 
-template <class _OutIt, class _CharT>
-using format_args_t = basic_format_args<basic_format_context<_OutIt, _CharT>>;
-
 template <class _Context, class... _Args>
 struct _LIBCPP_TEMPLATE_VIS __format_arg_store {
   // TODO FMT Use a built-in array.
@@ -436,51 +428,55 @@ __vformat_to(_ParseCtx&& __parse_ctx, _Ctx&& __ctx) {
 
 } // namespace __format
 
-template <class _OutIt, class _CharT>
+template <class _OutIt, class _CharT, class _FormatOutIt>
 requires(output_iterator<_OutIt, const _CharT&>) _LIBCPP_HIDE_FROM_ABI _OutIt
-    __vformat_to(_OutIt __out_it, basic_string_view<_CharT> __fmt,
-                 format_args_t<type_identity_t<_OutIt>, _CharT> __args) {
-  return __format::__vformat_to(
-      basic_format_parse_context{__fmt, __args.__size()},
-      _VSTD::__format_context_create(_VSTD::move(__out_it), __args));
+    __vformat_to(
+        _OutIt __out_it, basic_string_view<_CharT> __fmt,
+        basic_format_args<basic_format_context<_FormatOutIt, _CharT>> __args) {
+  if constexpr (same_as<_OutIt, _FormatOutIt>)
+    return _VSTD::__format::__vformat_to(
+        basic_format_parse_context{__fmt, __args.__size()},
+        _VSTD::__format_context_create(_VSTD::move(__out_it), __args));
+  else {
+    basic_string<_CharT> __str;
+    _VSTD::__format::__vformat_to(
+        basic_format_parse_context{__fmt, __args.__size()},
+        _VSTD::__format_context_create(_VSTD::back_inserter(__str), __args));
+    return _VSTD::copy_n(__str.begin(), __str.size(), _VSTD::move(__out_it));
+  }
 }
 
 template <output_iterator<const char&> _OutIt>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
-vformat_to(_OutIt __out_it, string_view __fmt,
-           format_args_t<type_identity_t<_OutIt>, char> __args) {
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
+vformat_to(_OutIt __out_it, string_view __fmt, format_args __args) {
   return _VSTD::__vformat_to(_VSTD::move(__out_it), __fmt, __args);
 }
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 template <output_iterator<const wchar_t&> _OutIt>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
-vformat_to(_OutIt __out_it, wstring_view __fmt,
-           format_args_t<type_identity_t<_OutIt>, wchar_t> __args) {
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
+vformat_to(_OutIt __out_it, wstring_view __fmt, wformat_args __args) {
   return _VSTD::__vformat_to(_VSTD::move(__out_it), __fmt, __args);
 }
 #endif
 
 template <output_iterator<const char&> _OutIt, class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
 format_to(_OutIt __out_it, string_view __fmt, const _Args&... __args) {
-  return _VSTD::vformat_to(
-      _VSTD::move(__out_it), __fmt,
-      _VSTD::make_format_args<basic_format_context<_OutIt, char>>(__args...));
+  return _VSTD::vformat_to(_VSTD::move(__out_it), __fmt,
+                           _VSTD::make_format_args(__args...));
 }
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 template <output_iterator<const wchar_t&> _OutIt, class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
 format_to(_OutIt __out_it, wstring_view __fmt, const _Args&... __args) {
-  return _VSTD::vformat_to(
-      _VSTD::move(__out_it), __fmt,
-      _VSTD::make_format_args<basic_format_context<_OutIt, wchar_t>>(
-          __args...));
+  return _VSTD::vformat_to(_VSTD::move(__out_it), __fmt,
+                           _VSTD::make_wformat_args(__args...));
 }
 #endif
 
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
+_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
 vformat(string_view __fmt, format_args __args) {
   string __res;
   _VSTD::vformat_to(_VSTD::back_inserter(__res), __fmt, __args);
@@ -488,7 +484,7 @@ vformat(string_view __fmt, format_args __args) {
 }
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
+_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
 vformat(wstring_view __fmt, wformat_args __args) {
   wstring __res;
   _VSTD::vformat_to(_VSTD::back_inserter(__res), __fmt, __args);
@@ -497,14 +493,14 @@ vformat(wstring_view __fmt, wformat_args __args) {
 #endif
 
 template <class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
 format(string_view __fmt, const _Args&... __args) {
   return _VSTD::vformat(__fmt, _VSTD::make_format_args(__args...));
 }
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 template <class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
 format(wstring_view __fmt, const _Args&... __args) {
   return _VSTD::vformat(__fmt, _VSTD::make_wformat_args(__args...));
 }
@@ -556,54 +552,59 @@ formatted_size(wstring_view __fmt, const _Args&... __args) {
 
 #ifndef _LIBCPP_HAS_NO_LOCALIZATION
 
-template <class _OutIt, class _CharT>
+template <class _OutIt, class _CharT, class _FormatOutIt>
 requires(output_iterator<_OutIt, const _CharT&>) _LIBCPP_HIDE_FROM_ABI _OutIt
-    __vformat_to(_OutIt __out_it, locale __loc, basic_string_view<_CharT> __fmt,
-                 format_args_t<type_identity_t<_OutIt>, _CharT> __args) {
-  return __format::__vformat_to(
-      basic_format_parse_context{__fmt, __args.__size()},
-      _VSTD::__format_context_create(_VSTD::move(__out_it), __args,
-                                     _VSTD::move(__loc)));
+    __vformat_to(
+        _OutIt __out_it, locale __loc, basic_string_view<_CharT> __fmt,
+        basic_format_args<basic_format_context<_FormatOutIt, _CharT>> __args) {
+  if constexpr (same_as<_OutIt, _FormatOutIt>)
+    return _VSTD::__format::__vformat_to(
+        basic_format_parse_context{__fmt, __args.__size()},
+        _VSTD::__format_context_create(_VSTD::move(__out_it), __args,
+                                       _VSTD::move(__loc)));
+  else {
+    basic_string<_CharT> __str;
+    _VSTD::__format::__vformat_to(
+        basic_format_parse_context{__fmt, __args.__size()},
+        _VSTD::__format_context_create(_VSTD::back_inserter(__str), __args,
+                                       _VSTD::move(__loc)));
+    return _VSTD::copy_n(__str.begin(), __str.size(), _VSTD::move(__out_it));
+  }
 }
 
 template <output_iterator<const char&> _OutIt>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
-vformat_to(_OutIt __out_it, locale __loc, string_view __fmt,
-           format_args_t<type_identity_t<_OutIt>, char> __args) {
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt vformat_to(
+    _OutIt __out_it, locale __loc, string_view __fmt, format_args __args) {
   return _VSTD::__vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
                              __args);
 }
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 template <output_iterator<const wchar_t&> _OutIt>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
-vformat_to(_OutIt __out_it, locale __loc, wstring_view __fmt,
-           format_args_t<type_identity_t<_OutIt>, wchar_t> __args) {
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt vformat_to(
+    _OutIt __out_it, locale __loc, wstring_view __fmt, wformat_args __args) {
   return _VSTD::__vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
                              __args);
 }
 #endif
 
 template <output_iterator<const char&> _OutIt, class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt format_to(
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt format_to(
     _OutIt __out_it, locale __loc, string_view __fmt, const _Args&... __args) {
-  return _VSTD::vformat_to(
-      _VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
-      _VSTD::make_format_args<basic_format_context<_OutIt, char>>(__args...));
+  return _VSTD::vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
+                           _VSTD::make_format_args(__args...));
 }
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 template <output_iterator<const wchar_t&> _OutIt, class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt format_to(
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt format_to(
     _OutIt __out_it, locale __loc, wstring_view __fmt, const _Args&... __args) {
-  return _VSTD::vformat_to(
-      _VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
-      _VSTD::make_format_args<basic_format_context<_OutIt, wchar_t>>(
-          __args...));
+  return _VSTD::vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
+                           _VSTD::make_wformat_args(__args...));
 }
 #endif
 
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
+_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
 vformat(locale __loc, string_view __fmt, format_args __args) {
   string __res;
   _VSTD::vformat_to(_VSTD::back_inserter(__res), _VSTD::move(__loc), __fmt,
@@ -612,7 +613,7 @@ vformat(locale __loc, string_view __fmt, format_args __args) {
 }
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
+_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
 vformat(locale __loc, wstring_view __fmt, wformat_args __args) {
   wstring __res;
   _VSTD::vformat_to(_VSTD::back_inserter(__res), _VSTD::move(__loc), __fmt,
@@ -622,7 +623,7 @@ vformat(locale __loc, wstring_view __fmt, wformat_args __args) {
 #endif
 
 template <class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
 format(locale __loc, string_view __fmt, const _Args&... __args) {
   return _VSTD::vformat(_VSTD::move(__loc), __fmt,
                         _VSTD::make_format_args(__args...));
@@ -630,7 +631,7 @@ format(locale __loc, string_view __fmt, const _Args&... __args) {
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 template <class... _Args>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
+_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
 format(locale __loc, wstring_view __fmt, const _Args&... __args) {
   return _VSTD::vformat(_VSTD::move(__loc), __fmt,
                         _VSTD::make_wformat_args(__args...));
diff --git a/contrib/libs/cxxsupp/libcxx/include/forward_list b/contrib/libs/cxxsupp/libcxx/include/forward_list
index 9d19e741f0..34168e8874 100644
--- a/contrib/libs/cxxsupp/libcxx/include/forward_list
+++ b/contrib/libs/cxxsupp/libcxx/include/forward_list
@@ -186,6 +186,7 @@ template <class T, class Allocator, class Predicate>
 #include <iterator>
 #include <limits>
 #include <memory>
+#include <type_traits>
 #include <version>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -643,12 +644,12 @@ public:
     static_assert((is_same<typename allocator_type::value_type, value_type>::value),
                   "Allocator::value_type must be same type as value_type");
 
-    typedef value_type&                                                reference;
-    typedef const value_type&                                          const_reference;
-    typedef typename allocator_traits<allocator_type>::pointer         pointer;
-    typedef typename allocator_traits<allocator_type>::const_pointer   const_pointer;
-    typedef typename __allocator_traits<allocator_type>::size_type     size_type;
-    typedef typename allocator_traits<allocator_type>::difference_type difference_type;
+    typedef value_type&                                                 reference;
+    typedef const value_type&                                           const_reference;
+    typedef typename allocator_traits<allocator_type>::pointer          pointer;
+    typedef typename allocator_traits<allocator_type>::const_pointer    const_pointer;
+    typedef typename allocator_traits<allocator_type>::size_type        size_type;
+    typedef typename allocator_traits<allocator_type>::difference_type  difference_type;
 
     typedef typename base::iterator       iterator;
     typedef typename base::const_iterator const_iterator;
@@ -669,7 +670,13 @@ public:
     explicit forward_list(size_type __n, const allocator_type& __a);
 #endif
     forward_list(size_type __n, const value_type& __v);
-    forward_list(size_type __n, const value_type& __v, const allocator_type& __a);
+
+    template <class = __enable_if_t<__is_allocator<_Alloc>::value> >
+    forward_list(size_type __n, const value_type& __v, const allocator_type& __a) : base(__a)
+    {
+        insert_after(cbefore_begin(), __n, __v);
+    }
+
     template <class _InputIterator>
         forward_list(_InputIterator __f, _InputIterator __l,
                      typename enable_if<
@@ -944,14 +951,6 @@ forward_list<_Tp, _Alloc>::forward_list(size_type __n, const value_type& __v)
 }
 
 template <class _Tp, class _Alloc>
-forward_list<_Tp, _Alloc>::forward_list(size_type __n, const value_type& __v,
-                                        const allocator_type& __a)
-    : base(__a)
-{
-    insert_after(cbefore_begin(), __n, __v);
-}
-
-template <class _Tp, class _Alloc>
 template <class _InputIterator>
 forward_list<_Tp, _Alloc>::forward_list(_InputIterator __f, _InputIterator __l,
                                         typename enable_if<
diff --git a/contrib/libs/cxxsupp/libcxx/include/initializer_list b/contrib/libs/cxxsupp/libcxx/include/initializer_list
index ae8b2c5bd5..bf8b4330da 100644
--- a/contrib/libs/cxxsupp/libcxx/include/initializer_list
+++ b/contrib/libs/cxxsupp/libcxx/include/initializer_list
@@ -124,7 +124,7 @@ end(initializer_list<_Ep> __il) _NOEXCEPT
 
 #endif // !defined(_LIBCPP_CXX03_LANG)
 
-}  // std
+} // namespace std
 
 #endif // _LIBCPP_COMPILER_MSVC
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/ios b/contrib/libs/cxxsupp/libcxx/include/ios
index b7d32946bf..237d146dfb 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ios
+++ b/contrib/libs/cxxsupp/libcxx/include/ios
@@ -308,11 +308,9 @@ public:
     typedef void (*event_callback)(event, ios_base&, int __index);
     void register_callback(event_callback __fn, int __index);
 
-private:
-    ios_base(const ios_base&); // = delete;
-    ios_base& operator=(const ios_base&); // = delete;
+    ios_base(const ios_base&) = delete;
+    ios_base& operator=(const ios_base&) = delete;
 
-public:
     static bool sync_with_stdio(bool __sync = true);
 
     _LIBCPP_INLINE_VISIBILITY iostate rdstate() const;
diff --git a/contrib/libs/cxxsupp/libcxx/include/istream b/contrib/libs/cxxsupp/libcxx/include/istream
index 2f39e35f46..de49d49e45 100644
--- a/contrib/libs/cxxsupp/libcxx/include/istream
+++ b/contrib/libs/cxxsupp/libcxx/include/istream
@@ -291,15 +291,15 @@ class _LIBCPP_TEMPLATE_VIS basic_istream<_CharT, _Traits>::sentry
 {
     bool __ok_;
 
-    sentry(const sentry&); // = delete;
-    sentry& operator=(const sentry&); // = delete;
-
 public:
     explicit sentry(basic_istream<_CharT, _Traits>& __is, bool __noskipws = false);
 //    ~sentry() = default;
 
     _LIBCPP_INLINE_VISIBILITY
     explicit operator bool() const {return __ok_;}
+
+    sentry(const sentry&) = delete;
+    sentry& operator=(const sentry&) = delete;
 };
 
 template <class _CharT, class _Traits>
diff --git a/contrib/libs/cxxsupp/libcxx/include/list b/contrib/libs/cxxsupp/libcxx/include/list
index 0b615a09ae..cb7ababdf4 100644
--- a/contrib/libs/cxxsupp/libcxx/include/list
+++ b/contrib/libs/cxxsupp/libcxx/include/list
@@ -845,24 +845,24 @@ class _LIBCPP_TEMPLATE_VIS list
     typedef typename base::__link_pointer __link_pointer;
 
 public:
-    typedef _Tp                                                      value_type;
-    typedef _Alloc                                                   allocator_type;
+    typedef _Tp                                            value_type;
+    typedef _Alloc                                         allocator_type;
     static_assert((is_same<value_type, typename allocator_type::value_type>::value),
                   "Invalid allocator::value_type");
-    typedef value_type&                                              reference;
-    typedef const value_type&                                        const_reference;
-    typedef typename base::pointer                                   pointer;
-    typedef typename base::const_pointer                             const_pointer;
-    typedef typename __allocator_traits<allocator_type>::size_type   size_type;
-    typedef typename base::difference_type                           difference_type;
-    typedef typename base::iterator                                  iterator;
-    typedef typename base::const_iterator                            const_iterator;
-    typedef _VSTD::reverse_iterator<iterator>                        reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator>                  const_reverse_iterator;
+    typedef value_type&                                    reference;
+    typedef const value_type&                              const_reference;
+    typedef typename base::pointer                         pointer;
+    typedef typename base::const_pointer                   const_pointer;
+    typedef typename base::size_type                       size_type;
+    typedef typename base::difference_type                 difference_type;
+    typedef typename base::iterator                        iterator;
+    typedef typename base::const_iterator                  const_iterator;
+    typedef _VSTD::reverse_iterator<iterator>              reverse_iterator;
+    typedef _VSTD::reverse_iterator<const_iterator>        const_reverse_iterator;
 #if _LIBCPP_STD_VER > 17
-    typedef size_type                                                __remove_return_type;
+    typedef size_type                                      __remove_return_type;
 #else
-    typedef void                                                     __remove_return_type;
+    typedef void                                           __remove_return_type;
 #endif
 
     _LIBCPP_INLINE_VISIBILITY
@@ -885,7 +885,16 @@ public:
     explicit list(size_type __n, const allocator_type& __a);
 #endif
     list(size_type __n, const value_type& __x);
-    list(size_type __n, const value_type& __x, const allocator_type& __a);
+    template <class = __enable_if_t<__is_allocator<_Alloc>::value> >
+    list(size_type __n, const value_type& __x, const allocator_type& __a) : base(__a)
+    {
+#if _LIBCPP_DEBUG_LEVEL == 2
+        __get_db()->__insert_c(this);
+#endif
+        for (; __n > 0; --__n)
+            push_back(__x);
+    }
+
     template <class _InpIter>
         list(_InpIter __f, _InpIter __l,
              typename enable_if<__is_cpp17_input_iterator<_InpIter>::value>::type* = 0);
@@ -1242,17 +1251,6 @@ list<_Tp, _Alloc>::list(size_type __n, const value_type& __x)
 }
 
 template <class _Tp, class _Alloc>
-list<_Tp, _Alloc>::list(size_type __n, const value_type& __x, const allocator_type& __a)
-    : base(__a)
-{
-#if _LIBCPP_DEBUG_LEVEL == 2
-    __get_db()->__insert_c(this);
-#endif
-    for (; __n > 0; --__n)
-        push_back(__x);
-}
-
-template <class _Tp, class _Alloc>
 template <class _InpIter>
 list<_Tp, _Alloc>::list(_InpIter __f, _InpIter __l,
                         typename enable_if<__is_cpp17_input_iterator<_InpIter>::value>::type*)
diff --git a/contrib/libs/cxxsupp/libcxx/include/memory b/contrib/libs/cxxsupp/libcxx/include/memory
index e089462135..9b3e294467 100644
--- a/contrib/libs/cxxsupp/libcxx/include/memory
+++ b/contrib/libs/cxxsupp/libcxx/include/memory
@@ -669,6 +669,7 @@ void* align(size_t alignment, size_t size, void*& ptr, size_t& space);
 #include <__memory/allocator_arg_t.h>
 #include <__memory/allocator_traits.h>
 #include <__memory/compressed_pair.h>
+#include <__memory/concepts.h>
 #include <__memory/construct_at.h>
 #include <__memory/pointer_traits.h>
 #include <__memory/raw_storage_iterator.h>
diff --git a/contrib/libs/cxxsupp/libcxx/include/module.modulemap b/contrib/libs/cxxsupp/libcxx/include/module.modulemap
index 71acf7a6ef..ae1d2aeba9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/module.modulemap
+++ b/contrib/libs/cxxsupp/libcxx/include/module.modulemap
@@ -353,9 +353,9 @@ module std [system] {
     export *
 
     module __charconv {
-      module chars_format      { private header "__charconv/chars_format.h"      }
+      module chars_format      { private header "__charconv/chars_format.h" }
       module from_chars_result { private header "__charconv/from_chars_result.h" }
-      module to_chars_result   { private header "__charconv/to_chars_result.h"   }
+      module to_chars_result   { private header "__charconv/to_chars_result.h" }
     }
 
   }
@@ -373,15 +373,15 @@ module std [system] {
 
     module __compare {
       module common_comparison_category { private header "__compare/common_comparison_category.h" }
-      module compare_three_way          { private header "__compare/compare_three_way.h"          }
-      module compare_three_way_result   { private header "__compare/compare_three_way_result.h"   }
-      module is_eq                      { private header "__compare/is_eq.h"                      }
-      module ordering                   { private header "__compare/ordering.h"                   }
-      module partial_order              { private header "__compare/partial_order.h"              }
-      module strong_order               { private header "__compare/strong_order.h"               }
-      module synth_three_way            { private header "__compare/synth_three_way.h"            }
-      module three_way_comparable       { private header "__compare/three_way_comparable.h"       }
-      module weak_order                 { private header "__compare/weak_order.h"                 }
+      module compare_three_way          { private header "__compare/compare_three_way.h" }
+      module compare_three_way_result   { private header "__compare/compare_three_way_result.h" }
+      module is_eq                      { private header "__compare/is_eq.h" }
+      module ordering                   { private header "__compare/ordering.h" }
+      module partial_order              { private header "__compare/partial_order.h" }
+      module strong_order               { private header "__compare/strong_order.h" }
+      module synth_three_way            { private header "__compare/synth_three_way.h" }
+      module three_way_comparable       { private header "__compare/three_way_comparable.h" }
+      module weak_order                 { private header "__compare/weak_order.h" }
     }
   }
   module complex {
@@ -393,28 +393,28 @@ module std [system] {
     export *
 
     module __concepts {
-      module arithmetic                 { private header "__concepts/arithmetic.h"                }
-      module assignable                 { private header "__concepts/assignable.h"                }
-      module boolean_testable           { private header "__concepts/boolean_testable.h"          }
-      module class_or_enum              { private header "__concepts/class_or_enum.h"             }
-      module common_reference_with      { private header "__concepts/common_reference_with.h"     }
-      module common_with                { private header "__concepts/common_with.h"               }
-      module constructible              { private header "__concepts/constructible.h"             }
-      module convertible_to             { private header "__concepts/convertible_to.h"            }
-      module copyable                   { private header "__concepts/copyable.h"                  }
-      module derived_from               { private header "__concepts/derived_from.h"              }
-      module destructible               { private header "__concepts/destructible.h"              }
-      module different_from             { private header "__concepts/different_from.h"            }
-      module equality_comparable        { private header "__concepts/equality_comparable.h"       }
-      module invocable                  { private header "__concepts/invocable.h"                 }
-      module movable                    { private header "__concepts/movable.h"                   }
-      module predicate                  { private header "__concepts/predicate.h"                 }
-      module regular                    { private header "__concepts/regular.h"                   }
-      module relation                   { private header "__concepts/relation.h"                  }
-      module same_as                    { private header "__concepts/same_as.h"                   }
-      module semiregular                { private header "__concepts/semiregular.h"               }
-      module swappable                  { private header "__concepts/swappable.h"                 }
-      module totally_ordered            { private header "__concepts/totally_ordered.h"           }
+      module arithmetic                 { private header "__concepts/arithmetic.h" }
+      module assignable                 { private header "__concepts/assignable.h" }
+      module boolean_testable           { private header "__concepts/boolean_testable.h" }
+      module class_or_enum              { private header "__concepts/class_or_enum.h" }
+      module common_reference_with      { private header "__concepts/common_reference_with.h" }
+      module common_with                { private header "__concepts/common_with.h" }
+      module constructible              { private header "__concepts/constructible.h" }
+      module convertible_to             { private header "__concepts/convertible_to.h" }
+      module copyable                   { private header "__concepts/copyable.h" }
+      module derived_from               { private header "__concepts/derived_from.h" }
+      module destructible               { private header "__concepts/destructible.h" }
+      module different_from             { private header "__concepts/different_from.h" }
+      module equality_comparable        { private header "__concepts/equality_comparable.h" }
+      module invocable                  { private header "__concepts/invocable.h" }
+      module movable                    { private header "__concepts/movable.h" }
+      module predicate                  { private header "__concepts/predicate.h" }
+      module regular                    { private header "__concepts/regular.h" }
+      module relation                   { private header "__concepts/relation.h" }
+      module same_as                    { private header "__concepts/same_as.h" }
+      module semiregular                { private header "__concepts/semiregular.h" }
+      module swappable                  { private header "__concepts/swappable.h" }
+      module totally_ordered            { private header "__concepts/totally_ordered.h" }
     }
   }
   module condition_variable {
@@ -428,10 +428,10 @@ module std [system] {
     export *
 
     module __coroutine {
-      module coroutine_handle             { private header "__coroutine/coroutine_handle.h"             }
-      module coroutine_traits             { private header "__coroutine/coroutine_traits.h"             }
-      module trivial_awaitables           { private header "__coroutine/trivial_awaitables.h"           }
-      module noop_coroutine_handle        { private header "__coroutine/noop_coroutine_handle.h"        }
+      module coroutine_handle           { private header "__coroutine/coroutine_handle.h" }
+      module coroutine_traits           { private header "__coroutine/coroutine_traits.h" }
+      module trivial_awaitables         { private header "__coroutine/trivial_awaitables.h" }
+      module noop_coroutine_handle      { private header "__coroutine/noop_coroutine_handle.h" }
     }
   }
   module deque {
@@ -456,24 +456,24 @@ module std [system] {
     export *
 
     module __format {
-      module format_arg             { private header "__format/format_arg.h"           }
-      module format_args            { private header "__format/format_args.h"          }
+      module format_arg             { private header "__format/format_arg.h" }
+      module format_args            { private header "__format/format_args.h" }
       module format_context {
         private header "__format/format_context.h"
         export optional
         export locale
       }
-      module format_error           { private header "__format/format_error.h"           }
-      module format_fwd             { private header "__format/format_fwd.h"             }
-      module format_parse_context   { private header "__format/format_parse_context.h"   }
-      module format_string          { private header "__format/format_string.h"          }
-      module format_to_n_result     { private header "__format/format_to_n_result.h"     }
-      module formatter              { private header "__format/formatter.h"              }
-      module formatter_bool         { private header "__format/formatter_bool.h"         }
-      module formatter_char         { private header "__format/formatter_char.h"         }
-      module formatter_integer      { private header "__format/formatter_integer.h"      }
-      module formatter_integral     { private header "__format/formatter_integral.h"     }
-      module formatter_string       { private header "__format/formatter_string.h"       }
+      module format_error           { private header "__format/format_error.h" }
+      module format_fwd             { private header "__format/format_fwd.h" }
+      module format_parse_context   { private header "__format/format_parse_context.h" }
+      module format_string          { private header "__format/format_string.h" }
+      module format_to_n_result     { private header "__format/format_to_n_result.h" }
+      module formatter              { private header "__format/formatter.h" }
+      module formatter_bool         { private header "__format/formatter_bool.h" }
+      module formatter_char         { private header "__format/formatter_char.h" }
+      module formatter_integer      { private header "__format/formatter_integer.h" }
+      module formatter_integral     { private header "__format/formatter_integral.h" }
+      module formatter_string       { private header "__format/formatter_string.h" }
       module parser_std_format_spec { private header "__format/parser_std_format_spec.h" }
     }
   }
@@ -505,8 +505,8 @@ module std [system] {
       module identity                   { private header "__functional/identity.h" }
       module invoke                     { private header "__functional/invoke.h" }
       module is_transparent             { private header "__functional/is_transparent.h" }
-      module mem_fn                     { private header "__functional/mem_fn.h"  }
-      module mem_fun_ref                { private header "__functional/mem_fun_ref.h"  }
+      module mem_fn                     { private header "__functional/mem_fn.h" }
+      module mem_fun_ref                { private header "__functional/mem_fun_ref.h" }
       module not_fn                     { private header "__functional/not_fn.h" }
       module operations                 { private header "__functional/operations.h" }
       module perfect_forward            { private header "__functional/perfect_forward.h" }
@@ -630,21 +630,22 @@ module std [system] {
     export *
 
     module __memory {
-      module addressof                { private header "__memory/addressof.h"                }
-      module allocation_guard         { private header "__memory/allocation_guard.h"         }
-      module allocator                { private header "__memory/allocator.h"                }
-      module allocator_arg_t          { private header "__memory/allocator_arg_t.h"          }
-      module allocator_traits         { private header "__memory/allocator_traits.h"         }
-      module auto_ptr                 { private header "__memory/auto_ptr.h"                 }
-      module compressed_pair          { private header "__memory/compressed_pair.h"          }
-      module construct_at             { private header "__memory/construct_at.h"             }
-      module pointer_traits           { private header "__memory/pointer_traits.h"           }
-      module raw_storage_iterator     { private header "__memory/raw_storage_iterator.h"     }
-      module shared_ptr               { private header "__memory/shared_ptr.h"               }
-      module temporary_buffer         { private header "__memory/temporary_buffer.h"         }
+      module addressof                { private header "__memory/addressof.h" }
+      module allocation_guard         { private header "__memory/allocation_guard.h" }
+      module allocator                { private header "__memory/allocator.h" }
+      module allocator_arg_t          { private header "__memory/allocator_arg_t.h" }
+      module allocator_traits         { private header "__memory/allocator_traits.h" }
+      module auto_ptr                 { private header "__memory/auto_ptr.h" }
+      module compressed_pair          { private header "__memory/compressed_pair.h" }
+      module concepts                 { private header "__memory/concepts.h" }
+      module construct_at             { private header "__memory/construct_at.h" }
+      module pointer_traits           { private header "__memory/pointer_traits.h" }
+      module raw_storage_iterator     { private header "__memory/raw_storage_iterator.h" }
+      module shared_ptr               { private header "__memory/shared_ptr.h" }
+      module temporary_buffer         { private header "__memory/temporary_buffer.h" }
       module uninitialized_algorithms { private header "__memory/uninitialized_algorithms.h" }
-      module unique_ptr               { private header "__memory/unique_ptr.h"               }
-      module uses_allocator           { private header "__memory/uses_allocator.h"           }
+      module unique_ptr               { private header "__memory/unique_ptr.h" }
+      module uses_allocator           { private header "__memory/uses_allocator.h" }
     }
   }
   module mutex {
@@ -662,6 +663,22 @@ module std [system] {
   module numeric {
     header "numeric"
     export *
+
+    module __numeric {
+      module accumulate               { private header "__numeric/accumulate.h" }
+      module adjacent_difference      { private header "__numeric/adjacent_difference.h" }
+      module exclusive_scan           { private header "__numeric/exclusive_scan.h" }
+      module gcd_lcm                  { private header "__numeric/gcd_lcm.h" }
+      module inclusive_scan           { private header "__numeric/inclusive_scan.h" }
+      module inner_product            { private header "__numeric/inner_product.h" }
+      module iota                     { private header "__numeric/iota.h" }
+      module midpoint                 { private header "__numeric/midpoint.h" }
+      module partial_sum              { private header "__numeric/partial_sum.h" }
+      module reduce                   { private header "__numeric/reduce.h" }
+      module transform_exclusive_scan { private header "__numeric/transform_exclusive_scan.h" }
+      module transform_inclusive_scan { private header "__numeric/transform_inclusive_scan.h" }
+      module transform_reduce         { private header "__numeric/transform_reduce.h" }
+    }
   }
   module optional {
     header "optional"
@@ -683,41 +700,42 @@ module std [system] {
     export *
 
     module __random {
-      module bernoulli_distribution          { private header "__random/bernoulli_distribution.h"          }
-      module binomial_distribution           { private header "__random/binomial_distribution.h"           }
-      module cauchy_distribution             { private header "__random/cauchy_distribution.h"             }
-      module chi_squared_distribution        { private header "__random/chi_squared_distribution.h"        }
-      module default_random_engine           { private header "__random/default_random_engine.h"           }
-      module discard_block_engine            { private header "__random/discard_block_engine.h"            }
-      module discrete_distribution           { private header "__random/discrete_distribution.h"           }
-      module exponential_distribution        { private header "__random/exponential_distribution.h"        }
-      module extreme_value_distribution      { private header "__random/extreme_value_distribution.h"      }
-      module fisher_f_distribution           { private header "__random/fisher_f_distribution.h"           }
-      module gamma_distribution              { private header "__random/gamma_distribution.h"              }
-      module generate_canonical              { private header "__random/generate_canonical.h"              }
-      module geometric_distribution          { private header "__random/geometric_distribution.h"          }
-      module independent_bits_engine         { private header "__random/independent_bits_engine.h"         }
-      module is_seed_sequence                { private header "__random/is_seed_sequence.h"                }
-      module knuth_b                         { private header "__random/knuth_b.h"                         }
-      module linear_congruential_engine      { private header "__random/linear_congruential_engine.h"      }
-      module log2                            { private header "__random/log2.h"                            }
-      module lognormal_distribution          { private header "__random/lognormal_distribution.h"          }
-      module mersenne_twister_engine         { private header "__random/mersenne_twister_engine.h"         }
-      module negative_binomial_distribution  { private header "__random/negative_binomial_distribution.h"  }
-      module normal_distribution             { private header "__random/normal_distribution.h"             }
+      module bernoulli_distribution          { private header "__random/bernoulli_distribution.h" }
+      module binomial_distribution           { private header "__random/binomial_distribution.h" }
+      module cauchy_distribution             { private header "__random/cauchy_distribution.h" }
+      module chi_squared_distribution        { private header "__random/chi_squared_distribution.h" }
+      module clamp_to_integral               { private header "__random/clamp_to_integral.h" }
+      module default_random_engine           { private header "__random/default_random_engine.h" }
+      module discard_block_engine            { private header "__random/discard_block_engine.h" }
+      module discrete_distribution           { private header "__random/discrete_distribution.h" }
+      module exponential_distribution        { private header "__random/exponential_distribution.h" }
+      module extreme_value_distribution      { private header "__random/extreme_value_distribution.h" }
+      module fisher_f_distribution           { private header "__random/fisher_f_distribution.h" }
+      module gamma_distribution              { private header "__random/gamma_distribution.h" }
+      module generate_canonical              { private header "__random/generate_canonical.h" }
+      module geometric_distribution          { private header "__random/geometric_distribution.h" }
+      module independent_bits_engine         { private header "__random/independent_bits_engine.h" }
+      module is_seed_sequence                { private header "__random/is_seed_sequence.h" }
+      module knuth_b                         { private header "__random/knuth_b.h" }
+      module linear_congruential_engine      { private header "__random/linear_congruential_engine.h" }
+      module log2                            { private header "__random/log2.h" }
+      module lognormal_distribution          { private header "__random/lognormal_distribution.h" }
+      module mersenne_twister_engine         { private header "__random/mersenne_twister_engine.h" }
+      module negative_binomial_distribution  { private header "__random/negative_binomial_distribution.h" }
+      module normal_distribution             { private header "__random/normal_distribution.h" }
       module piecewise_constant_distribution { private header "__random/piecewise_constant_distribution.h" }
-      module piecewise_linear_distribution   { private header "__random/piecewise_linear_distribution.h"   }
-      module poisson_distribution            { private header "__random/poisson_distribution.h"            }
-      module random_device                   { private header "__random/random_device.h"                   }
-      module ranlux                          { private header "__random/ranlux.h"                          }
-      module seed_seq                        { private header "__random/seed_seq.h"                        }
-      module shuffle_order_engine            { private header "__random/shuffle_order_engine.h"            }
-      module student_t_distribution          { private header "__random/student_t_distribution.h"          }
-      module subtract_with_carry_engine      { private header "__random/subtract_with_carry_engine.h"      }
-      module uniform_int_distribution        { private header "__random/uniform_int_distribution.h"        }
-      module uniform_random_bit_generator    { private header "__random/uniform_random_bit_generator.h"    }
-      module uniform_real_distribution       { private header "__random/uniform_real_distribution.h"       }
-      module weibull_distribution            { private header "__random/weibull_distribution.h"            }
+      module piecewise_linear_distribution   { private header "__random/piecewise_linear_distribution.h" }
+      module poisson_distribution            { private header "__random/poisson_distribution.h" }
+      module random_device                   { private header "__random/random_device.h" }
+      module ranlux                          { private header "__random/ranlux.h" }
+      module seed_seq                        { private header "__random/seed_seq.h" }
+      module shuffle_order_engine            { private header "__random/shuffle_order_engine.h" }
+      module student_t_distribution          { private header "__random/student_t_distribution.h" }
+      module subtract_with_carry_engine      { private header "__random/subtract_with_carry_engine.h" }
+      module uniform_int_distribution        { private header "__random/uniform_int_distribution.h" }
+      module uniform_random_bit_generator    { private header "__random/uniform_random_bit_generator.h" }
+      module uniform_real_distribution       { private header "__random/uniform_real_distribution.h" }
+      module weibull_distribution            { private header "__random/weibull_distribution.h" }
     }
   }
   module ranges {
@@ -728,39 +746,39 @@ module std [system] {
     export *
 
     module __ranges {
-      module access                 { private header "__ranges/access.h"                }
+      module access                 { private header "__ranges/access.h" }
       module all                    {
         private header "__ranges/all.h"
         export functional.__functional.compose
         export functional.__functional.perfect_forward
       }
-      module common_view            { private header "__ranges/common_view.h"           }
-      module concepts               { private header "__ranges/concepts.h"              }
-      module copyable_box           { private header "__ranges/copyable_box.h"          }
-      module counted                { private header "__ranges/counted.h"               }
-      module dangling               { private header "__ranges/dangling.h"              }
-      module data                   { private header "__ranges/data.h"                  }
-      module drop_view              { private header "__ranges/drop_view.h"             }
-      module empty                  { private header "__ranges/empty.h"                 }
-      module empty_view             { private header "__ranges/empty_view.h"            }
+      module common_view            { private header "__ranges/common_view.h" }
+      module concepts               { private header "__ranges/concepts.h" }
+      module copyable_box           { private header "__ranges/copyable_box.h" }
+      module counted                { private header "__ranges/counted.h" }
+      module dangling               { private header "__ranges/dangling.h" }
+      module data                   { private header "__ranges/data.h" }
+      module drop_view              { private header "__ranges/drop_view.h" }
+      module empty                  { private header "__ranges/empty.h" }
+      module empty_view             { private header "__ranges/empty_view.h" }
       module enable_borrowed_range  { private header "__ranges/enable_borrowed_range.h" }
-      module enable_view            { private header "__ranges/enable_view.h"           }
-      module iota_view              { private header "__ranges/iota_view.h"             }
-      module join_view              { private header "__ranges/join_view.h"             }
+      module enable_view            { private header "__ranges/enable_view.h" }
+      module iota_view              { private header "__ranges/iota_view.h" }
+      module join_view              { private header "__ranges/join_view.h" }
       module non_propagating_cache  { private header "__ranges/non_propagating_cache.h" }
-      module range_adaptor          { private header "__ranges/range_adaptor.h"         }
-      module ref_view               { private header "__ranges/ref_view.h"              }
-      module reverse_view           { private header "__ranges/reverse_view.h"          }
-      module size                   { private header "__ranges/size.h"                  }
-      module single_view            { private header "__ranges/single_view.h"           }
-      module subrange               { private header "__ranges/subrange.h"              }
-      module take_view              { private header "__ranges/take_view.h"             }
+      module range_adaptor          { private header "__ranges/range_adaptor.h" }
+      module ref_view               { private header "__ranges/ref_view.h" }
+      module reverse_view           { private header "__ranges/reverse_view.h" }
+      module size                   { private header "__ranges/size.h" }
+      module single_view            { private header "__ranges/single_view.h" }
+      module subrange               { private header "__ranges/subrange.h" }
+      module take_view              { private header "__ranges/take_view.h" }
       module transform_view         {
         private header "__ranges/transform_view.h"
         export functional.__functional.bind_back
         export functional.__functional.perfect_forward
       }
-      module view_interface         { private header "__ranges/view_interface.h"        }
+      module view_interface         { private header "__ranges/view_interface.h" }
     }
   }
   module ratio {
@@ -875,21 +893,21 @@ module std [system] {
     export *
 
     module __utility {
-      module as_const            { private header "__utility/as_const.h"            }
-      module cmp                 { private header "__utility/cmp.h"                 }
-      module decay_copy          { private header "__utility/decay_copy.h"          }
-      module declval             { private header "__utility/declval.h"             }
-      module exchange            { private header "__utility/exchange.h"            }
-      module forward             { private header "__utility/forward.h"             }
-      module in_place            { private header "__utility/in_place.h"            }
-      module integer_sequence    { private header "__utility/integer_sequence.h"    }
-      module move                { private header "__utility/move.h"                }
-      module pair                { private header "__utility/pair.h"                }
+      module as_const            { private header "__utility/as_const.h" }
+      module cmp                 { private header "__utility/cmp.h" }
+      module decay_copy          { private header "__utility/decay_copy.h" }
+      module declval             { private header "__utility/declval.h" }
+      module exchange            { private header "__utility/exchange.h" }
+      module forward             { private header "__utility/forward.h" }
+      module in_place            { private header "__utility/in_place.h" }
+      module integer_sequence    { private header "__utility/integer_sequence.h" }
+      module move                { private header "__utility/move.h" }
+      module pair                { private header "__utility/pair.h" }
       module piecewise_construct { private header "__utility/piecewise_construct.h" }
-      module priority_tag        { private header "__utility/priority_tag.h"        }
-      module rel_ops             { private header "__utility/rel_ops.h"             }
-      module swap                { private header "__utility/swap.h"                }
-      module to_underlying       { private header "__utility/to_underlying.h"       }
+      module priority_tag        { private header "__utility/priority_tag.h" }
+      module rel_ops             { private header "__utility/rel_ops.h" }
+      module swap                { private header "__utility/swap.h" }
+      module to_underlying       { private header "__utility/to_underlying.h" }
     }
   }
   module valarray {
@@ -920,22 +938,22 @@ module std [system] {
   module __availability      { private header "__availability"      export * }
   module __bit_reference     { private header "__bit_reference"     export * }
   module __bits              { private header "__bits"              export * }
-  module __debug             { header "__debug"             export * }
+  module __debug             {         header "__debug"             export * }
   module __errc              { private header "__errc"              export * }
   module __function_like     { private header "__function_like.h"   export * }
-  module __hash_table        { header "__hash_table"        export * }
+  module __hash_table        {         header "__hash_table"        export * }
   module __locale            { private header "__locale"            export * }
   module __mbstate           { private header "__mbstate_t.h"       export * }
   module __mutex_base        { private header "__mutex_base"        export * }
   module __node_handle       { private header "__node_handle"       export * }
-  module __nullptr           { header "__nullptr"           export * }
+  module __nullptr           {         header "__nullptr"           export * }
   module __split_buffer      { private header "__split_buffer"      export * }
   module __std_stream        { private header "__std_stream"        export * }
   module __string            { private header "__string"            export * }
-  module __threading_support { header "__threading_support" export * }
-  module __tree              { header "__tree"              export * }
+  module __threading_support {         header "__threading_support" export * }
+  module __tree              {         header "__tree"              export * }
   module __tuple             { private header "__tuple"             export * }
-  module __undef_macros      { header "__undef_macros"      export * }
+  module __undef_macros      {         header "__undef_macros"      export * }
 
   module experimental {
     requires cplusplus11
diff --git a/contrib/libs/cxxsupp/libcxx/include/mutex b/contrib/libs/cxxsupp/libcxx/include/mutex
index 7e5dc94482..049904e40b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/mutex
+++ b/contrib/libs/cxxsupp/libcxx/include/mutex
@@ -219,14 +219,12 @@ class _LIBCPP_TYPE_VIS recursive_mutex
     __libcpp_recursive_mutex_t __m_;
 
 public:
-     recursive_mutex();
-     ~recursive_mutex();
+    recursive_mutex();
+    ~recursive_mutex();
 
-private:
-    recursive_mutex(const recursive_mutex&); // = delete;
-    recursive_mutex& operator=(const recursive_mutex&); // = delete;
+    recursive_mutex(const recursive_mutex&) = delete;
+    recursive_mutex& operator=(const recursive_mutex&) = delete;
 
-public:
     void lock();
     bool try_lock() _NOEXCEPT;
     void unlock()  _NOEXCEPT;
@@ -246,9 +244,8 @@ public:
      timed_mutex();
      ~timed_mutex();
 
-private:
-    timed_mutex(const timed_mutex&); // = delete;
-    timed_mutex& operator=(const timed_mutex&); // = delete;
+    timed_mutex(const timed_mutex&) = delete;
+    timed_mutex& operator=(const timed_mutex&) = delete;
 
 public:
     void lock();
@@ -287,14 +284,12 @@ class _LIBCPP_TYPE_VIS recursive_timed_mutex
     size_t             __count_;
     __thread_id        __id_;
 public:
-     recursive_timed_mutex();
-     ~recursive_timed_mutex();
+    recursive_timed_mutex();
+    ~recursive_timed_mutex();
 
-private:
-    recursive_timed_mutex(const recursive_timed_mutex&); // = delete;
-    recursive_timed_mutex& operator=(const recursive_timed_mutex&); // = delete;
+    recursive_timed_mutex(const recursive_timed_mutex&) = delete;
+    recursive_timed_mutex& operator=(const recursive_timed_mutex&) = delete;
 
-public:
     void lock();
     bool try_lock() _NOEXCEPT;
     template <class _Rep, class _Period>
@@ -580,6 +575,8 @@ struct _LIBCPP_TEMPLATE_VIS once_flag
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR
         once_flag() _NOEXCEPT : __state_(0) {}
+    once_flag(const once_flag&) = delete;
+    once_flag& operator=(const once_flag&) = delete;
 
 #if defined(_LIBCPP_ABI_MICROSOFT)
    typedef uintptr_t _State_type;
@@ -587,11 +584,7 @@ struct _LIBCPP_TEMPLATE_VIS once_flag
    typedef unsigned long _State_type;
 #endif
 
-
 private:
-    once_flag(const once_flag&); // = delete;
-    once_flag& operator=(const once_flag&); // = delete;
-
 #if defined(_LIBCPP_ABI_MICROSOFT)
     atomic<_State_type> __state_;
 #else
diff --git a/contrib/libs/cxxsupp/libcxx/include/new b/contrib/libs/cxxsupp/libcxx/include/new
index 593af9d5c6..be0d972f42 100644
--- a/contrib/libs/cxxsupp/libcxx/include/new
+++ b/contrib/libs/cxxsupp/libcxx/include/new
@@ -177,7 +177,7 @@ struct destroying_delete_t {
 inline constexpr destroying_delete_t destroying_delete{};
 #endif // _LIBCPP_STD_VER > 17
 
-}  // std
+} // namespace std
 
 #if defined(_LIBCPP_CXX03_LANG)
 #define _THROW_BAD_ALLOC throw(std::bad_alloc)
diff --git a/contrib/libs/cxxsupp/libcxx/include/numeric b/contrib/libs/cxxsupp/libcxx/include/numeric
index 12fefa9e5c..273bbac9be 100644
--- a/contrib/libs/cxxsupp/libcxx/include/numeric
+++ b/contrib/libs/cxxsupp/libcxx/include/numeric
@@ -145,492 +145,31 @@ template<class T>
 */
 
 #include <__config>
-#include <__debug>
 #include <cmath> // for isnormal
 #include <functional>
 #include <iterator>
-#include <limits> // for numeric_limits
 #include <version>
 
+#include <__numeric/accumulate.h>
+#include <__numeric/adjacent_difference.h>
+#include <__numeric/exclusive_scan.h>
+#include <__numeric/gcd_lcm.h>
+#include <__numeric/inclusive_scan.h>
+#include <__numeric/inner_product.h>
+#include <__numeric/iota.h>
+#include <__numeric/midpoint.h>
+#include <__numeric/partial_sum.h>
+#include <__numeric/reduce.h>
+#include <__numeric/transform_exclusive_scan.h>
+#include <__numeric/transform_inclusive_scan.h>
+#include <__numeric/transform_reduce.h>
+
 #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 _InputIterator, class _Tp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-accumulate(_InputIterator __first, _InputIterator __last, _Tp __init)
-{
-    for (; __first != __last; ++__first)
-#if _LIBCPP_STD_VER > 17
-        __init = _VSTD::move(__init) + *__first;
-#else
-        __init = __init + *__first;
-#endif
-    return __init;
-}
-
-template <class _InputIterator, class _Tp, class _BinaryOperation>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-accumulate(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOperation __binary_op)
-{
-    for (; __first != __last; ++__first)
-#if _LIBCPP_STD_VER > 17
-        __init = __binary_op(_VSTD::move(__init), *__first);
-#else
-        __init = __binary_op(__init, *__first);
-#endif
-    return __init;
-}
-
-#if _LIBCPP_STD_VER > 14
-template <class _InputIterator, class _Tp, class _BinaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-reduce(_InputIterator __first, _InputIterator __last, _Tp __init, _BinaryOp __b)
-{
-    for (; __first != __last; ++__first)
-        __init = __b(__init, *__first);
-    return __init;
-}
-
-template <class _InputIterator, class _Tp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-reduce(_InputIterator __first, _InputIterator __last, _Tp __init)
-{
-    return _VSTD::reduce(__first, __last, __init, _VSTD::plus<>());
-}
-
-template <class _InputIterator>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-typename iterator_traits<_InputIterator>::value_type
-reduce(_InputIterator __first, _InputIterator __last)
-{
-    return _VSTD::reduce(__first, __last,
-       typename iterator_traits<_InputIterator>::value_type{});
-}
-#endif
-
-template <class _InputIterator1, class _InputIterator2, class _Tp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _Tp __init)
-{
-    for (; __first1 != __last1; ++__first1, (void) ++__first2)
-#if _LIBCPP_STD_VER > 17
-        __init = _VSTD::move(__init) + *__first1 * *__first2;
-#else
-        __init = __init + *__first1 * *__first2;
-#endif
-    return __init;
-}
-
-template <class _InputIterator1, class _InputIterator2, class _Tp, class _BinaryOperation1, class _BinaryOperation2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-inner_product(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2,
-              _Tp __init, _BinaryOperation1 __binary_op1, _BinaryOperation2 __binary_op2)
-{
-    for (; __first1 != __last1; ++__first1, (void) ++__first2)
-#if _LIBCPP_STD_VER > 17
-        __init = __binary_op1(_VSTD::move(__init), __binary_op2(*__first1, *__first2));
-#else
-        __init = __binary_op1(__init, __binary_op2(*__first1, *__first2));
-#endif
-    return __init;
-}
-
-#if _LIBCPP_STD_VER > 14
-template <class _InputIterator, class _Tp, class _BinaryOp, class _UnaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-transform_reduce(_InputIterator __first, _InputIterator __last,
-           _Tp __init,  _BinaryOp __b, _UnaryOp __u)
-{
-    for (; __first != __last; ++__first)
-        __init = __b(__init, __u(*__first));
-    return __init;
-}
-
-template <class _InputIterator1, class _InputIterator2,
-          class _Tp, class _BinaryOp1, class _BinaryOp2>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-transform_reduce(_InputIterator1 __first1, _InputIterator1 __last1,
-                 _InputIterator2 __first2, _Tp __init,  _BinaryOp1 __b1, _BinaryOp2 __b2)
-{
-    for (; __first1 != __last1; ++__first1, (void) ++__first2)
-        __init = __b1(__init, __b2(*__first1, *__first2));
-    return __init;
-}
-
-template <class _InputIterator1, class _InputIterator2, class _Tp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_Tp
-transform_reduce(_InputIterator1 __first1, _InputIterator1 __last1,
-                 _InputIterator2 __first2, _Tp __init)
-{
-    return _VSTD::transform_reduce(__first1, __last1, __first2, _VSTD::move(__init),
-                                   _VSTD::plus<>(), _VSTD::multiplies<>());
-}
-#endif
-
-template <class _InputIterator, class _OutputIterator>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
-{
-    if (__first != __last)
-    {
-        typename iterator_traits<_InputIterator>::value_type __t(*__first);
-        *__result = __t;
-        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
-        {
-#if _LIBCPP_STD_VER > 17
-            __t = _VSTD::move(__t) + *__first;
-#else
-            __t = __t + *__first;
-#endif
-            *__result = __t;
-        }
-    }
-    return __result;
-}
-
-template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-partial_sum(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
-              _BinaryOperation __binary_op)
-{
-    if (__first != __last)
-    {
-        typename iterator_traits<_InputIterator>::value_type __t(*__first);
-        *__result = __t;
-        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
-        {
-#if _LIBCPP_STD_VER > 17
-            __t = __binary_op(_VSTD::move(__t), *__first);
-#else
-            __t = __binary_op(__t, *__first);
-#endif
-            *__result = __t;
-        }
-    }
-    return __result;
-}
-
-#if _LIBCPP_STD_VER > 14
-template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-exclusive_scan(_InputIterator __first, _InputIterator __last,
-               _OutputIterator __result, _Tp __init, _BinaryOp __b)
-{
-    if (__first != __last)
-    {
-        _Tp __tmp(__b(__init, *__first));
-        while (true)
-        {
-            *__result = _VSTD::move(__init);
-            ++__result;
-            ++__first;
-            if (__first == __last)
-                break;
-            __init = _VSTD::move(__tmp);
-            __tmp = __b(__init, *__first);
-        }
-    }
-    return __result;
-}
-
-template <class _InputIterator, class _OutputIterator, class _Tp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-exclusive_scan(_InputIterator __first, _InputIterator __last,
-               _OutputIterator __result, _Tp __init)
-{
-    return _VSTD::exclusive_scan(__first, __last, __result, __init, _VSTD::plus<>());
-}
-
-template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator inclusive_scan(_InputIterator __first, _InputIterator __last,
-                               _OutputIterator __result, _BinaryOp __b,  _Tp __init)
-{
-    for (; __first != __last; ++__first, (void) ++__result) {
-        __init = __b(__init, *__first);
-        *__result = __init;
-    }
-    return __result;
-}
-
-template <class _InputIterator, class _OutputIterator, class _BinaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator inclusive_scan(_InputIterator __first, _InputIterator __last,
-                               _OutputIterator __result, _BinaryOp __b)
-{
-    if (__first != __last) {
-        typename iterator_traits<_InputIterator>::value_type __init = *__first;
-        *__result++ = __init;
-        if (++__first != __last)
-            return _VSTD::inclusive_scan(__first, __last, __result, __b, __init);
-    }
-
-    return __result;
-}
-
-template <class _InputIterator, class _OutputIterator>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator inclusive_scan(_InputIterator __first, _InputIterator __last,
-                               _OutputIterator __result)
-{
-    return _VSTD::inclusive_scan(__first, __last, __result, _VSTD::plus<>());
-}
-
-template <class _InputIterator, class _OutputIterator, class _Tp,
-          class _BinaryOp, class _UnaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-transform_exclusive_scan(_InputIterator __first, _InputIterator __last,
-                           _OutputIterator __result, _Tp __init,
-                           _BinaryOp __b, _UnaryOp __u)
-{
-    if (__first != __last)
-    {
-        _Tp __saved = __init;
-        do
-        {
-            __init = __b(__init, __u(*__first));
-            *__result = __saved;
-            __saved = __init;
-            ++__result;
-        } while (++__first != __last);
-    }
-    return __result;
-}
-
-template <class _InputIterator, class _OutputIterator, class _Tp, class _BinaryOp, class _UnaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-transform_inclusive_scan(_InputIterator __first, _InputIterator __last,
-                           _OutputIterator __result, _BinaryOp __b, _UnaryOp __u, _Tp __init)
-{
-    for (; __first != __last; ++__first, (void) ++__result) {
-        __init = __b(__init, __u(*__first));
-        *__result = __init;
-        }
-
-    return __result;
-}
-
-template <class _InputIterator, class _OutputIterator, class _BinaryOp, class _UnaryOp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-transform_inclusive_scan(_InputIterator __first, _InputIterator __last,
-                               _OutputIterator __result, _BinaryOp __b, _UnaryOp __u)
-{
-    if (__first != __last) {
-        typename iterator_traits<_InputIterator>::value_type __init = __u(*__first);
-        *__result++ = __init;
-        if (++__first != __last)
-            return _VSTD::transform_inclusive_scan(__first, __last, __result, __b, __u, __init);
-    }
-
-    return __result;
-}
-#endif
-
-template <class _InputIterator, class _OutputIterator>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
-{
-    if (__first != __last)
-    {
-        typename iterator_traits<_InputIterator>::value_type __acc(*__first);
-        *__result = __acc;
-        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
-        {
-            typename iterator_traits<_InputIterator>::value_type __val(*__first);
-#if _LIBCPP_STD_VER > 17
-            *__result = __val - _VSTD::move(__acc);
-#else
-            *__result = __val - __acc;
-#endif
-            __acc = _VSTD::move(__val);
-        }
-    }
-    return __result;
-}
-
-template <class _InputIterator, class _OutputIterator, class _BinaryOperation>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-adjacent_difference(_InputIterator __first, _InputIterator __last, _OutputIterator __result,
-                      _BinaryOperation __binary_op)
-{
-    if (__first != __last)
-    {
-        typename iterator_traits<_InputIterator>::value_type __acc(*__first);
-        *__result = __acc;
-        for (++__first, (void) ++__result; __first != __last; ++__first, (void) ++__result)
-        {
-            typename iterator_traits<_InputIterator>::value_type __val(*__first);
-#if _LIBCPP_STD_VER > 17
-            *__result = __binary_op(__val, _VSTD::move(__acc));
-#else
-            *__result = __binary_op(__val, __acc);
-#endif
-            __acc = _VSTD::move(__val);
-        }
-    }
-    return __result;
-}
-
-template <class _ForwardIterator, class _Tp>
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-void
-iota(_ForwardIterator __first, _ForwardIterator __last, _Tp __value_)
-{
-    for (; __first != __last; ++__first, (void) ++__value_)
-        *__first = __value_;
-}
-
-
-#if _LIBCPP_STD_VER > 14
-template <typename _Result, typename _Source, bool _IsSigned = is_signed<_Source>::value> struct __ct_abs;
-
-template <typename _Result, typename _Source>
-struct __ct_abs<_Result, _Source, true> {
-    _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
-    _Result operator()(_Source __t) const noexcept
-    {
-        if (__t >= 0) return __t;
-        if (__t == numeric_limits<_Source>::min()) return -static_cast<_Result>(__t);
-        return -__t;
-    }
-};
-
-template <typename _Result, typename _Source>
-struct __ct_abs<_Result, _Source, false> {
-    _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
-    _Result operator()(_Source __t) const noexcept { return __t; }
-};
-
-
-template<class _Tp>
-_LIBCPP_CONSTEXPR _LIBCPP_HIDDEN
-_Tp __gcd(_Tp __m, _Tp __n)
-{
-    static_assert((!is_signed<_Tp>::value), "");
-    return __n == 0 ? __m : _VSTD::__gcd<_Tp>(__n, __m % __n);
-}
-
-
-template<class _Tp, class _Up>
-_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
-common_type_t<_Tp,_Up>
-gcd(_Tp __m, _Up __n)
-{
-    static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to gcd must be integer types");
-    static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to gcd cannot be bool" );
-    static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to gcd cannot be bool" );
-    using _Rp = common_type_t<_Tp,_Up>;
-    using _Wp = make_unsigned_t<_Rp>;
-    return static_cast<_Rp>(_VSTD::__gcd(
-        static_cast<_Wp>(__ct_abs<_Rp, _Tp>()(__m)),
-        static_cast<_Wp>(__ct_abs<_Rp, _Up>()(__n))));
-}
-
-template<class _Tp, class _Up>
-_LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
-common_type_t<_Tp,_Up>
-lcm(_Tp __m, _Up __n)
-{
-    static_assert((is_integral<_Tp>::value && is_integral<_Up>::value), "Arguments to lcm must be integer types");
-    static_assert((!is_same<typename remove_cv<_Tp>::type, bool>::value), "First argument to lcm cannot be bool" );
-    static_assert((!is_same<typename remove_cv<_Up>::type, bool>::value), "Second argument to lcm cannot be bool" );
-    if (__m == 0 || __n == 0)
-        return 0;
-
-    using _Rp = common_type_t<_Tp,_Up>;
-    _Rp __val1 = __ct_abs<_Rp, _Tp>()(__m) / _VSTD::gcd(__m, __n);
-    _Rp __val2 = __ct_abs<_Rp, _Up>()(__n);
-    _LIBCPP_ASSERT((numeric_limits<_Rp>::max() / __val1 > __val2), "Overflow in lcm");
-    return __val1 * __val2;
-}
-
-#endif /* _LIBCPP_STD_VER > 14 */
-
-#if _LIBCPP_STD_VER > 17
-template <class _Tp>
-_LIBCPP_INLINE_VISIBILITY constexpr
-enable_if_t<is_integral_v<_Tp> && !is_same_v<bool, _Tp> && !is_null_pointer_v<_Tp>, _Tp>
-midpoint(_Tp __a, _Tp __b) noexcept
-_LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
-{
-    using _Up = make_unsigned_t<_Tp>;
-    constexpr _Up __bitshift = numeric_limits<_Up>::digits - 1;
-
-    _Up __diff = _Up(__b) - _Up(__a);
-    _Up __sign_bit = __b < __a;
-
-    _Up __half_diff = (__diff / 2) + (__sign_bit << __bitshift) + (__sign_bit & __diff);
-
-    return __a + __half_diff;
-}
-
-
-template <class _TPtr>
-_LIBCPP_INLINE_VISIBILITY constexpr
-enable_if_t<is_pointer_v<_TPtr>
-             && is_object_v<remove_pointer_t<_TPtr>>
-             && ! is_void_v<remove_pointer_t<_TPtr>>
-             && (sizeof(remove_pointer_t<_TPtr>) > 0), _TPtr>
-midpoint(_TPtr __a, _TPtr __b) noexcept
-{
-    return __a + _VSTD::midpoint(ptrdiff_t(0), __b - __a);
-}
-
-
-template <typename _Tp>
-constexpr int __sign(_Tp __val) {
-    return (_Tp(0) < __val) - (__val < _Tp(0));
-}
-
-template <typename _Fp>
-constexpr _Fp __fp_abs(_Fp __f) { return __f >= 0 ? __f : -__f; }
-
-template <class _Fp>
-_LIBCPP_INLINE_VISIBILITY constexpr
-enable_if_t<is_floating_point_v<_Fp>, _Fp>
-midpoint(_Fp __a, _Fp __b) noexcept
-{
-	constexpr _Fp __lo = numeric_limits<_Fp>::min()*2;
-	constexpr _Fp __hi = numeric_limits<_Fp>::max()/2;
-    return __fp_abs(__a) <= __hi && __fp_abs(__b) <= __hi ?  // typical case: overflow is impossible
-      (__a + __b)/2 :                                        // always correctly rounded
-      __fp_abs(__a) < __lo ? __a + __b/2 :                   // not safe to halve a
-      __fp_abs(__b) < __lo ? __a/2 + __b :                   // not safe to halve b
-      __a/2 + __b/2;                                         // otherwise correctly rounded
-}
-
-#endif // _LIBCPP_STD_VER > 17
-
-_LIBCPP_END_NAMESPACE_STD
-
-_LIBCPP_POP_MACROS
-
 #if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
-//#   include <__pstl_numeric>
+// #   include <__pstl_numeric>
 #endif
 
 #endif // _LIBCPP_NUMERIC
diff --git a/contrib/libs/cxxsupp/libcxx/include/optional b/contrib/libs/cxxsupp/libcxx/include/optional
index 998ae31921..1d16767dcf 100644
--- a/contrib/libs/cxxsupp/libcxx/include/optional
+++ b/contrib/libs/cxxsupp/libcxx/include/optional
@@ -175,7 +175,7 @@ public:
     virtual const char* what() const _NOEXCEPT;
 };
 
-}  // std
+} // namespace std
 
 #if _LIBCPP_STD_VER > 14
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/ostream b/contrib/libs/cxxsupp/libcxx/include/ostream
index 98f36ea7ac..d948d591c8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ostream
+++ b/contrib/libs/cxxsupp/libcxx/include/ostream
@@ -249,12 +249,11 @@ class _LIBCPP_TEMPLATE_VIS basic_ostream<_CharT, _Traits>::sentry
     bool __ok_;
     basic_ostream<_CharT, _Traits>& __os_;
 
-    sentry(const sentry&); // = delete;
-    sentry& operator=(const sentry&); // = delete;
-
 public:
     explicit sentry(basic_ostream<_CharT, _Traits>& __os);
     ~sentry();
+    sentry(const sentry&) = delete;
+    sentry& operator=(const sentry&) = delete;
 
     _LIBCPP_INLINE_VISIBILITY
     explicit operator bool() const {return __ok_;}
diff --git a/contrib/libs/cxxsupp/libcxx/include/random b/contrib/libs/cxxsupp/libcxx/include/random
index 9eb70bac00..c88bfce03b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/random
+++ b/contrib/libs/cxxsupp/libcxx/include/random
@@ -1682,6 +1682,7 @@ class piecewise_linear_distribution
 #include <__random/binomial_distribution.h>
 #include <__random/cauchy_distribution.h>
 #include <__random/chi_squared_distribution.h>
+#include <__random/clamp_to_integral.h>
 #include <__random/default_random_engine.h>
 #include <__random/discard_block_engine.h>
 #include <__random/discrete_distribution.h>
diff --git a/contrib/libs/cxxsupp/libcxx/include/regex b/contrib/libs/cxxsupp/libcxx/include/regex
index 815ff7d386..8203c81659 100644
--- a/contrib/libs/cxxsupp/libcxx/include/regex
+++ b/contrib/libs/cxxsupp/libcxx/include/regex
@@ -978,7 +978,7 @@ enum error_type
     __re_err_parse
 };
 
-}  // regex_constants
+} // namespace regex_constants
 
 class _LIBCPP_EXCEPTION_ABI regex_error
     : public runtime_error
diff --git a/contrib/libs/cxxsupp/libcxx/include/stdexcept b/contrib/libs/cxxsupp/libcxx/include/stdexcept
index ddbc6303b6..c1dc05669b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stdexcept
+++ b/contrib/libs/cxxsupp/libcxx/include/stdexcept
@@ -209,7 +209,7 @@ public:
 #endif
 };
 
-}  // std
+} // namespace std
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/string b/contrib/libs/cxxsupp/libcxx/include/string
index e5d7541449..4660cde9c8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/string
+++ b/contrib/libs/cxxsupp/libcxx/include/string
@@ -4603,8 +4603,8 @@ inline namespace literals
     {
         return basic_string<char32_t> (__str, __len);
     }
-  }
-}
+  } // namespace string_literals
+} // namespace literals
 #endif
 
 _LIBCPP_END_NAMESPACE_STD
diff --git a/contrib/libs/cxxsupp/libcxx/include/string_view b/contrib/libs/cxxsupp/libcxx/include/string_view
index 71fea01816..c1282606d6 100644
--- a/contrib/libs/cxxsupp/libcxx/include/string_view
+++ b/contrib/libs/cxxsupp/libcxx/include/string_view
@@ -87,6 +87,8 @@ namespace std {
       constexpr basic_string_view(const charT* str, size_type len);
       template <class It, class End>
       constexpr basic_string_view(It begin, End end); // C++20
+      template <class Range>
+      constexpr basic_string_view(Range&& r); // C++23
 
       // 7.4, basic_string_view iterator support
       constexpr const_iterator begin() const noexcept;
@@ -171,6 +173,8 @@ namespace std {
   // basic_string_view deduction guides
   template<class It, class End>
     basic_string_view(It, End) -> basic_string_view<iter_value_t<It>>; // C++20
+  template<class Range>
+    basic_string_view(Range&&) -> basic_string_view<ranges::range_value_t<Range>>; // C++23
 
   // 7.11, Hash support
   template <class T> struct hash;
@@ -191,12 +195,13 @@ namespace std {
 
 */
 
-#include <__concepts/convertible_to.h>
-#include <__concepts/same_as.h>
 #include <__config>
 #include <__debug>
+#include <__ranges/concepts.h>
+#include <__ranges/data.h>
 #include <__ranges/enable_borrowed_range.h>
 #include <__ranges/enable_view.h>
+#include <__ranges/size.h>
 #include <__string>
 #include <algorithm>
 #include <compare>
@@ -204,6 +209,7 @@ namespace std {
 #include <iterator>
 #include <limits>
 #include <stdexcept>
+#include <type_traits>
 #include <version>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -290,7 +296,7 @@ public:
 
 #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_RANGES)
     template <contiguous_iterator _It, sized_sentinel_for<_It> _End>
-      requires (same_as<iter_value_t<_It>, _CharT> && !convertible_to<_End, size_type>)
+      requires (is_same_v<iter_value_t<_It>, _CharT> && !is_convertible_v<_End, size_type>)
     constexpr _LIBCPP_HIDE_FROM_ABI basic_string_view(_It __begin, _End __end)
        : __data(_VSTD::to_address(__begin)), __size(__end - __begin)
     {
@@ -298,6 +304,25 @@ public:
     }
 #endif
 
+#if _LIBCPP_STD_VER > 20 && !defined(_LIBCPP_HAS_NO_RANGES)
+    template <class _Range>
+      requires (
+        !is_same_v<remove_cvref_t<_Range>, basic_string_view> &&
+        ranges::contiguous_range<_Range> &&
+        ranges::sized_range<_Range> &&
+        is_same_v<ranges::range_value_t<_Range>, _CharT> &&
+        !is_convertible_v<_Range, const _CharT*> &&
+        (!requires(remove_cvref_t<_Range>& d) {
+          d.operator _VSTD::basic_string_view<_CharT, _Traits>();
+        }) &&
+        (!requires {
+         typename remove_reference_t<_Range>::traits_type;
+        } || is_same_v<typename remove_reference_t<_Range>::traits_type, _Traits>)
+      )
+    constexpr _LIBCPP_HIDE_FROM_ABI
+    basic_string_view(_Range&& __r) : __data(ranges::data(__r)), __size(ranges::size(__r)) {}
+#endif
+
     _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
     basic_string_view(nullptr_t) = delete;
 
@@ -342,7 +367,7 @@ public:
     size_type length()   const _NOEXCEPT { return __size; }
 
     _LIBCPP_CONSTEXPR _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT { return numeric_limits<size_type>::max(); }
+    size_type max_size() const _NOEXCEPT { return numeric_limits<size_type>::max() / sizeof(value_type); }
 
     _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
     bool empty()         const _NOEXCEPT { return __size == 0; }
@@ -709,6 +734,12 @@ template <contiguous_iterator _It, sized_sentinel_for<_It> _End>
   basic_string_view(_It, _End) -> basic_string_view<iter_value_t<_It>>;
 #endif
 
+
+#if _LIBCPP_STD_VER > 20 && !defined(_LIBCPP_HAS_NO_RANGES)
+template <ranges::contiguous_range _Range>
+  basic_string_view(_Range) -> basic_string_view<ranges::range_value_t<_Range>>;
+#endif
+
 // [string.view.comparison]
 // operator ==
 template<class _CharT, class _Traits>
@@ -720,14 +751,9 @@ bool operator==(basic_string_view<_CharT, _Traits> __lhs,
     return __lhs.compare(__rhs) == 0;
 }
 
-// Workaround for the bug in MSVC and clang on windows. Looks like MSVC generates the same
-// mangled name for this function as for the previous function. So we introduce
-// artificial difference to avoid that.
-#if defined(_LIBCPP_COMPILER_MSVC) || (defined(_WIN32) && defined(_LIBCPP_COMPILER_CLANG))
+// The dummy default template parameters are used to work around a MSVC issue with mangling, see VSO-409236 for details.
+// This applies to the other sufficient overloads below for the other comparison operators.
 template<class _CharT, class _Traits, int = 1>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator==(basic_string_view<_CharT, _Traits> __lhs,
                 typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
@@ -736,11 +762,7 @@ bool operator==(basic_string_view<_CharT, _Traits> __lhs,
     return __lhs.compare(__rhs) == 0;
 }
 
-#if defined(_LIBCPP_COMPILER_MSVC) || (defined(_WIN32) && defined(_LIBCPP_COMPILER_CLANG))
 template<class _CharT, class _Traits, int = 2>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator==(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
                 basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
@@ -761,11 +783,7 @@ bool operator!=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_Cha
 }
 
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 1>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator!=(basic_string_view<_CharT, _Traits> __lhs,
                 typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
@@ -775,11 +793,7 @@ bool operator!=(basic_string_view<_CharT, _Traits> __lhs,
     return __lhs.compare(__rhs) != 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 2>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator!=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
                 basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
@@ -798,11 +812,7 @@ bool operator<(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_Char
     return __lhs.compare(__rhs) < 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 1>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator<(basic_string_view<_CharT, _Traits> __lhs,
                 typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
@@ -810,11 +820,7 @@ bool operator<(basic_string_view<_CharT, _Traits> __lhs,
     return __lhs.compare(__rhs) < 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 2>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator<(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
                 basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
@@ -831,11 +837,7 @@ bool operator> (basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_Cha
     return __lhs.compare(__rhs) > 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 1>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator>(basic_string_view<_CharT, _Traits> __lhs,
                 typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
@@ -843,11 +845,7 @@ bool operator>(basic_string_view<_CharT, _Traits> __lhs,
     return __lhs.compare(__rhs) > 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 2>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator>(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
                 basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
@@ -864,11 +862,7 @@ bool operator<=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_Cha
     return __lhs.compare(__rhs) <= 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 1>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator<=(basic_string_view<_CharT, _Traits> __lhs,
                 typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
@@ -876,11 +870,7 @@ bool operator<=(basic_string_view<_CharT, _Traits> __lhs,
     return __lhs.compare(__rhs) <= 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 2>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator<=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
                 basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
@@ -898,11 +888,7 @@ bool operator>=(basic_string_view<_CharT, _Traits> __lhs, basic_string_view<_Cha
 }
 
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 1>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator>=(basic_string_view<_CharT, _Traits> __lhs,
                 typename common_type<basic_string_view<_CharT, _Traits> >::type __rhs) _NOEXCEPT
@@ -910,11 +896,7 @@ bool operator>=(basic_string_view<_CharT, _Traits> __lhs,
     return __lhs.compare(__rhs) >= 0;
 }
 
-#ifdef _LIBCPP_COMPILER_MSVC
 template<class _CharT, class _Traits, int = 2>
-#else
-template<class _CharT, class _Traits>
-#endif
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
 bool operator>=(typename common_type<basic_string_view<_CharT, _Traits> >::type __lhs,
                 basic_string_view<_CharT, _Traits> __rhs) _NOEXCEPT
@@ -978,8 +960,8 @@ inline namespace literals
     {
         return basic_string_view<char32_t> (__str, __len);
     }
-  }
-}
+  } // namespace string_view_literals
+} // namespace literals
 #endif
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/system_error b/contrib/libs/cxxsupp/libcxx/include/system_error
index ed487d144b..b599fb3934 100644
--- a/contrib/libs/cxxsupp/libcxx/include/system_error
+++ b/contrib/libs/cxxsupp/libcxx/include/system_error
@@ -208,13 +208,11 @@ public:
     error_category() _NOEXCEPT;
 #else
     _LIBCPP_INLINE_VISIBILITY
-    _LIBCPP_CONSTEXPR_AFTER_CXX11 error_category() _NOEXCEPT _LIBCPP_DEFAULT
+    _LIBCPP_CONSTEXPR_AFTER_CXX11 error_category() _NOEXCEPT = default;
 #endif
-private:
-    error_category(const error_category&);// = delete;
-    error_category& operator=(const error_category&);// = delete;
+    error_category(const error_category&) = delete;
+    error_category& operator=(const error_category&) = delete;
 
-public:
     virtual const char* name() const _NOEXCEPT = 0;
     virtual error_condition default_error_condition(int __ev) const _NOEXCEPT;
     virtual bool equivalent(int __code, const error_condition& __condition) const _NOEXCEPT;
diff --git a/contrib/libs/cxxsupp/libcxx/include/thread b/contrib/libs/cxxsupp/libcxx/include/thread
index a51a11c0d3..bf751c87aa 100644
--- a/contrib/libs/cxxsupp/libcxx/include/thread
+++ b/contrib/libs/cxxsupp/libcxx/include/thread
@@ -403,7 +403,7 @@ sleep_until(const chrono::time_point<chrono::steady_clock, _Duration>& __t)
 inline _LIBCPP_INLINE_VISIBILITY
 void yield() _NOEXCEPT {__libcpp_thread_yield();}
 
-}  // this_thread
+} // namespace this_thread
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/tuple b/contrib/libs/cxxsupp/libcxx/include/tuple
index 88188d7442..9480848dcf 100644
--- a/contrib/libs/cxxsupp/libcxx/include/tuple
+++ b/contrib/libs/cxxsupp/libcxx/include/tuple
@@ -1217,7 +1217,7 @@ struct __find_exactly_one_checked<_T1> {
     static_assert(!is_same<_T1, _T1>::value, "type not in empty type list");
 };
 
-} // namespace __find_detail;
+} // namespace __find_detail
 
 template <typename _T1, typename... _Args>
 struct __find_exactly_one_t
@@ -1274,7 +1274,7 @@ struct __ignore_t
 
 namespace {
   constexpr __ignore_t<unsigned char> ignore = __ignore_t<unsigned char>();
-}
+} // namespace
 
 template <class... _Tp>
 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
diff --git a/contrib/libs/cxxsupp/libcxx/include/type_traits b/contrib/libs/cxxsupp/libcxx/include/type_traits
index 9c8571c5f7..760ddc5d12 100644
--- a/contrib/libs/cxxsupp/libcxx/include/type_traits
+++ b/contrib/libs/cxxsupp/libcxx/include/type_traits
@@ -1443,10 +1443,7 @@ template<class _Tp> using type_identity_t = typename type_identity<_Tp>::type;
 
 // is_signed
 
-// Before Clang 10, __is_signed didn't work for floating-point types or enums.
-#if __has_keyword(__is_signed) &&                                              \
-    !(defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 1000) &&               \
-    !defined(__CUDACC__)
+#if __has_keyword(__is_signed) && !defined(__CUDACC__)
 
 template<class _Tp>
 struct _LIBCPP_TEMPLATE_VIS is_signed : _BoolConstant<__is_signed(_Tp)> { };
@@ -4009,7 +4006,7 @@ struct __nothrow_swappable_with {
 template <class _Tp, class _Up>
 struct __nothrow_swappable_with<_Tp, _Up, false> : false_type {};
 
-}  // __detail
+} // namespace __detail
 
 template <class _Tp>
 struct __is_swappable
diff --git a/contrib/libs/cxxsupp/libcxx/include/typeinfo b/contrib/libs/cxxsupp/libcxx/include/typeinfo
index f62e03e0f6..697d3d6bb4 100644
--- a/contrib/libs/cxxsupp/libcxx/include/typeinfo
+++ b/contrib/libs/cxxsupp/libcxx/include/typeinfo
@@ -379,7 +379,7 @@ public:
 #endif
 };
 
-}  // std
+} // namespace std
 
 #ifdef _LIBCPP_ABI_MICROSOFT
 class type_info : public std::type_info {};
diff --git a/contrib/libs/cxxsupp/libcxx/include/utility b/contrib/libs/cxxsupp/libcxx/include/utility
index 4fa90289a4..ac8470e269 100644
--- a/contrib/libs/cxxsupp/libcxx/include/utility
+++ b/contrib/libs/cxxsupp/libcxx/include/utility
@@ -235,4 +235,8 @@ template <class T>
 #include <initializer_list>
 #include <version>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
 #endif // _LIBCPP_UTILITY
diff --git a/contrib/libs/cxxsupp/libcxx/include/vector b/contrib/libs/cxxsupp/libcxx/include/vector
index 5efd72c476..185d77671d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/vector
+++ b/contrib/libs/cxxsupp/libcxx/include/vector
@@ -348,28 +348,28 @@ class _LIBCPP_TEMPLATE_VIS vector
     : private __vector_base<_Tp, _Allocator>
 {
 private:
-    typedef __vector_base<_Tp, _Allocator>                           __base;
-    typedef allocator<_Tp>                                           __default_allocator_type;
+    typedef __vector_base<_Tp, _Allocator>                  __base;
+    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 __allocator_traits<allocator_type>::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;
+    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;
 #if _YNDX_LIBCPP_MAKE_VECTOR_ITERATOR_POINTERS == 1
-    typedef pointer                                                  iterator;
-    typedef const_pointer                                            const_iterator;
+    typedef pointer                                         iterator;
+    typedef const_pointer                                   const_iterator;
 #else
-    typedef __wrap_iter<pointer>                                     iterator;
-    typedef __wrap_iter<const_pointer>                               const_iterator;
+    typedef __wrap_iter<pointer>                            iterator;
+    typedef __wrap_iter<const_pointer>                      const_iterator;
 #endif
-    typedef _VSTD::reverse_iterator<iterator>                        reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator>                  const_reverse_iterator;
+    typedef _VSTD::reverse_iterator<iterator>               reverse_iterator;
+    typedef _VSTD::reverse_iterator<const_iterator>         const_reverse_iterator;
 
     static_assert((is_same<typename allocator_type::value_type, value_type>::value),
                   "Allocator::value_type must be same type as value_type");
@@ -398,7 +398,21 @@ public:
     explicit vector(size_type __n, const allocator_type& __a);
 #endif
     vector(size_type __n, const value_type& __x);
-    vector(size_type __n, const value_type& __x, const allocator_type& __a);
+
+    template <class = __enable_if_t<__is_allocator<_Allocator>::value> >
+    vector(size_type __n, const value_type& __x, const allocator_type& __a)
+        : __base(__a)
+    {
+#if _LIBCPP_DEBUG_LEVEL == 2
+      __get_db()->__insert_c(this);
+#endif
+      if (__n > 0)
+      {
+          __vallocate(__n);
+          __construct_at_end(__n, __x);
+      }
+    }
+
     template <class _InputIterator>
         vector(_InputIterator __first,
                typename enable_if<__is_cpp17_input_iterator  <_InputIterator>::value &&
@@ -1160,20 +1174,6 @@ vector<_Tp, _Allocator>::vector(size_type __n, const value_type& __x)
 }
 
 template <class _Tp, class _Allocator>
-vector<_Tp, _Allocator>::vector(size_type __n, const value_type& __x, const allocator_type& __a)
-    : __base(__a)
-{
-#if _LIBCPP_DEBUG_LEVEL == 2
-    __get_db()->__insert_c(this);
-#endif
-    if (__n > 0)
-    {
-        __vallocate(__n);
-        __construct_at_end(__n, __x);
-    }
-}
-
-template <class _Tp, class _Allocator>
 template <class _InputIterator>
 vector<_Tp, _Allocator>::vector(_InputIterator __first,
        typename enable_if<__is_cpp17_input_iterator  <_InputIterator>::value &&
diff --git a/contrib/libs/cxxsupp/libcxx/include/version b/contrib/libs/cxxsupp/libcxx/include/version
index 741ab41951..f69d85889a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/version
+++ b/contrib/libs/cxxsupp/libcxx/include/version
@@ -73,7 +73,7 @@ __cpp_lib_exchange_function                             201304L <utility>
 __cpp_lib_execution                                     201902L <execution>
                                                         201603L // C++17
 __cpp_lib_filesystem                                    201703L <filesystem>
-__cpp_lib_format                                        201907L <format>
+__cpp_lib_format                                        202106L <format>
 __cpp_lib_gcd_lcm                                       201606L <numeric>
 __cpp_lib_generic_associative_lookup                    201304L <map> <set>
 __cpp_lib_generic_unordered_lookup                      201811L <unordered_map> <unordered_set>
@@ -309,7 +309,7 @@ __cpp_lib_void_t                                        201411L <type_traits>
 # undef  __cpp_lib_execution
 // # define __cpp_lib_execution                            201902L
 # if !defined(_LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_format)
-// #   define __cpp_lib_format                             201907L
+// #   define __cpp_lib_format                             202106L
 # endif
 # define __cpp_lib_generic_unordered_lookup             201811L
 # define __cpp_lib_int_pow2                             202002L
diff --git a/contrib/libs/cxxsupp/libcxx/src/filesystem/filesystem_common.h b/contrib/libs/cxxsupp/libcxx/src/filesystem/filesystem_common.h
index 9c6fdf34f6..39e53b7843 100644
--- a/contrib/libs/cxxsupp/libcxx/src/filesystem/filesystem_common.h
+++ b/contrib/libs/cxxsupp/libcxx/src/filesystem/filesystem_common.h
@@ -60,7 +60,7 @@ errc __win_err_to_errc(int err);
 
 namespace {
 
-static _LIBCPP_FORMAT_PRINTF(1, 0) string
+static _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 1, 0) string
 format_string_impl(const char* msg, va_list ap) {
   array<char, 256> buf;
 
@@ -84,7 +84,7 @@ format_string_impl(const char* msg, va_list ap) {
   return result;
 }
 
-static _LIBCPP_FORMAT_PRINTF(1, 2) string
+static _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 1, 2) string
 format_string(const char* msg, ...) {
   string ret;
   va_list ap;
@@ -182,7 +182,7 @@ struct ErrorHandler {
     _LIBCPP_UNREACHABLE();
   }
 
-  _LIBCPP_FORMAT_PRINTF(3, 0)
+  _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 0)
   void report_impl(const error_code& ec, const char* msg, va_list ap) const {
     if (ec_) {
       *ec_ = ec;
@@ -201,7 +201,7 @@ struct ErrorHandler {
     _LIBCPP_UNREACHABLE();
   }
 
-  _LIBCPP_FORMAT_PRINTF(3, 4)
+  _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4)
   T report(const error_code& ec, const char* msg, ...) const {
     va_list ap;
     va_start(ap, msg);
@@ -223,7 +223,7 @@ struct ErrorHandler {
     return report(make_error_code(err));
   }
 
-  _LIBCPP_FORMAT_PRINTF(3, 4)
+  _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4)
   T report(errc const& err, const char* msg, ...) const {
     va_list ap;
     va_start(ap, msg);