intermediate changes

ref:ca7f4ea59c35451f4846b211a4122df6ab12b4df
author: arcadia-devtools <arcadia-devtools@yandex-team.ru> 2022-03-01 14:07:11 +0300
committer: arcadia-devtools <arcadia-devtools@yandex-team.ru> 2022-03-01 14:07:11 +0300
commit: 2ec7758a9f5564266f5736c249c02d15d8316246 (patch)
tree: 5fa4cc3fb88d1a1aca0cb65d7e0eb0c710f358ce
parent: 6e8c5376d75151b514477715c1b9505d017b83eb (diff)
download: ydb-2ec7758a9f5564266f5736c249c02d15d8316246.tar.gz
228 files changed, 484 insertions, 414 deletions
diff --git a/build/ymake.core.conf b/build/ymake.core.conf
index 55b963bc8a4..247d1baf5d1 100644
--- a/build/ymake.core.conf
+++ b/build/ymake.core.conf
@@ -9,7 +9,7 @@
 FAKEID=3141592653
 
 SANDBOX_FAKEID=${FAKEID}.7600000
-CPP_FAKEID=9180286
+CPP_FAKEID=9184729
 GO_FAKEID=9056219
 ANDROID_FAKEID=8821472
 CLANG_TIDY_FAKEID=8625699
diff --git a/contrib/libs/cxxsupp/libcxx/import b/contrib/libs/cxxsupp/libcxx/import
index aefc388f80f..a326ac26b0e 100755
--- a/contrib/libs/cxxsupp/libcxx/import
+++ b/contrib/libs/cxxsupp/libcxx/import
@@ -1,6 +1,6 @@
 #!/bin/sh -e
 
-rev=efbe9ae2
+rev=e059329b
 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/__algorithm/binary_search.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/binary_search.h
index cd1d7b1a752..8fc55b9becb 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/binary_search.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/binary_search.h
@@ -11,8 +11,8 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
-#include <__algorithm/lower_bound.h>
 #include <__algorithm/comp_ref_type.h>
+#include <__algorithm/lower_bound.h>
 #include <__iterator/iterator_traits.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/copy_n.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/copy_n.h
index 6417a0543e5..38a84a4105a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/copy_n.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/copy_n.h
@@ -57,9 +57,10 @@ typename enable_if
 >::type
 copy_n(_InputIterator __first, _Size __orig_n, _OutputIterator __result)
 {
+    typedef typename iterator_traits<_InputIterator>::difference_type difference_type;
     typedef decltype(_VSTD::__convert_to_integral(__orig_n)) _IntegralSize;
     _IntegralSize __n = __orig_n;
-    return _VSTD::copy(__first, __first + __n, __result);
+    return _VSTD::copy(__first, __first + difference_type(__n), __result);
 }
 
 _LIBCPP_END_NAMESPACE_STD
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/find_end.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/find_end.h
index 95ac2199fd3..5d971c57a4e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/find_end.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/find_end.h
@@ -95,14 +95,16 @@ template <class _BinaryPredicate, class _RandomAccessIterator1, class _RandomAcc
 _LIBCPP_CONSTEXPR_AFTER_CXX11 _RandomAccessIterator1 __find_end(
     _RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1, _RandomAccessIterator2 __first2,
     _RandomAccessIterator2 __last2, _BinaryPredicate __pred, random_access_iterator_tag, random_access_iterator_tag) {
+  typedef typename iterator_traits<_RandomAccessIterator1>::difference_type _D1;
+  typedef typename iterator_traits<_RandomAccessIterator2>::difference_type _D2;
   // Take advantage of knowing source and pattern lengths.  Stop short when source is smaller than pattern
-  typename iterator_traits<_RandomAccessIterator2>::difference_type __len2 = __last2 - __first2;
+  _D2 __len2 = __last2 - __first2;
   if (__len2 == 0)
     return __last1;
-  typename iterator_traits<_RandomAccessIterator1>::difference_type __len1 = __last1 - __first1;
+  _D1 __len1 = __last1 - __first1;
   if (__len1 < __len2)
     return __last1;
-  const _RandomAccessIterator1 __s = __first1 + (__len2 - 1); // End of pattern match can't go before here
+  const _RandomAccessIterator1 __s = __first1 + _D1(__len2 - 1); // End of pattern match can't go before here
   _RandomAccessIterator1 __l1 = __last1;
   _RandomAccessIterator2 __l2 = __last2;
   --__l2;
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap.h
index 7fd5d6ff9a0..22c27a66d12 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap.h
@@ -11,6 +11,7 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__algorithm/is_heap_until.h>
 #include <__iterator/iterator_traits.h>
 
@@ -26,7 +27,8 @@ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
 bool
 is_heap(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
 {
-    return _VSTD::is_heap_until(__first, __last, __comp) == __last;
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return _VSTD::__is_heap_until<_Comp_ref>(__first, __last, __comp) == __last;
 }
 
 template<class _RandomAccessIterator>
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap_until.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap_until.h
index 99291c102bf..dd8a62f07fd 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap_until.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_heap_until.h
@@ -11,6 +11,7 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__iterator/iterator_traits.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -19,9 +20,9 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _RandomAccessIterator, class _Compare>
-_LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX17 _RandomAccessIterator
-is_heap_until(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
+template <class _Compare, class _RandomAccessIterator>
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _RandomAccessIterator
+__is_heap_until(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
 {
     typedef typename iterator_traits<_RandomAccessIterator>::difference_type difference_type;
     difference_type __len = __last - __first;
@@ -46,13 +47,19 @@ is_heap_until(_RandomAccessIterator __first, _RandomAccessIterator __last, _Comp
     return __last;
 }
 
+template <class _RandomAccessIterator, class _Compare>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _RandomAccessIterator
+is_heap_until(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
+{
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return _VSTD::__is_heap_until<_Comp_ref>(__first, __last, __comp);
+}
+
 template<class _RandomAccessIterator>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_RandomAccessIterator
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _RandomAccessIterator
 is_heap_until(_RandomAccessIterator __first, _RandomAccessIterator __last)
 {
-    return _VSTD::is_heap_until(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>());
+    return _VSTD::__is_heap_until(__first, __last, __less<typename iterator_traits<_RandomAccessIterator>::value_type>());
 }
 
 _LIBCPP_END_NAMESPACE_STD
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted.h
index c6954934e8c..57953295a88 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted.h
@@ -10,6 +10,7 @@
 #define _LIBCPP___ALGORITHM_IS_SORTED_H
 
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__algorithm/is_sorted_until.h>
 #include <__config>
 #include <__iterator/iterator_traits.h>
@@ -26,7 +27,8 @@ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
 bool
 is_sorted(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
 {
-    return _VSTD::is_sorted_until(__first, __last, __comp) == __last;
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return _VSTD::__is_sorted_until<_Comp_ref>(__first, __last, __comp) == __last;
 }
 
 template<class _ForwardIterator>
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted_until.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted_until.h
index 5b6385991a7..9a7f275c540 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted_until.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/is_sorted_until.h
@@ -11,6 +11,7 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__iterator/iterator_traits.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -19,9 +20,9 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _ForwardIterator, class _Compare>
-_LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
-is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
+template <class _Compare, class _ForwardIterator>
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
+__is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
 {
     if (__first != __last)
     {
@@ -36,10 +37,16 @@ is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __co
     return __last;
 }
 
+template <class _ForwardIterator, class _Compare>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
+is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
+{
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return _VSTD::__is_sorted_until<_Comp_ref>(__first, __last, __comp);
+}
+
 template<class _ForwardIterator>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_ForwardIterator
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
 is_sorted_until(_ForwardIterator __first, _ForwardIterator __last)
 {
     return _VSTD::is_sorted_until(__first, __last, __less<typename iterator_traits<_ForwardIterator>::value_type>());
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/max.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/max.h
index 2fa97cad87f..79cbd2be86b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/max.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/max.h
@@ -11,6 +11,7 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__algorithm/max_element.h>
 #include <initializer_list>
 
@@ -49,7 +50,8 @@ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
 _Tp
 max(initializer_list<_Tp> __t, _Compare __comp)
 {
-    return *_VSTD::max_element(__t.begin(), __t.end(), __comp);
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return *_VSTD::__max_element<_Comp_ref>(__t.begin(), __t.end(), __comp);
 }
 
 template<class _Tp>
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/max_element.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/max_element.h
index c51519605af..f932ca7049f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/max_element.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/max_element.h
@@ -11,6 +11,7 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__iterator/iterator_traits.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -19,11 +20,9 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _ForwardIterator, class _Compare>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
-_ForwardIterator
-max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
+template <class _Compare, class _ForwardIterator>
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator
+__max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
 {
     static_assert(__is_cpp17_forward_iterator<_ForwardIterator>::value,
         "std::max_element requires a ForwardIterator");
@@ -37,11 +36,17 @@ max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
     return __first;
 }
 
+template <class _ForwardIterator, class _Compare>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator
+max_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
+{
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return _VSTD::__max_element<_Comp_ref>(__first, __last, __comp);
+}
+
 
 template <class _ForwardIterator>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
-_ForwardIterator
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator
 max_element(_ForwardIterator __first, _ForwardIterator __last)
 {
     return _VSTD::max_element(__first, __last,
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/min.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/min.h
index 9fea7f70a2b..5cacb2f28e7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/min.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/min.h
@@ -11,6 +11,7 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__algorithm/min_element.h>
 #include <initializer_list>
 
@@ -49,7 +50,8 @@ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
 _Tp
 min(initializer_list<_Tp> __t, _Compare __comp)
 {
-    return *_VSTD::min_element(__t.begin(), __t.end(), __comp);
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return *_VSTD::__min_element<_Comp_ref>(__t.begin(), __t.end(), __comp);
 }
 
 template<class _Tp>
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/min_element.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/min_element.h
index 9bfd0793c69..3aebebca91a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/min_element.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/min_element.h
@@ -11,6 +11,7 @@
 
 #include <__config>
 #include <__algorithm/comp.h>
+#include <__algorithm/comp_ref_type.h>
 #include <__iterator/iterator_traits.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -19,11 +20,9 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _ForwardIterator, class _Compare>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
-_ForwardIterator
-min_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
+template <class _Compare, class _ForwardIterator>
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator
+__min_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
 {
     static_assert(__is_cpp17_forward_iterator<_ForwardIterator>::value,
         "std::min_element requires a ForwardIterator");
@@ -37,10 +36,16 @@ min_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
     return __first;
 }
 
+template <class _ForwardIterator, class _Compare>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator
+min_element(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp)
+{
+    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
+    return _VSTD::__min_element<_Comp_ref>(__first, __last, __comp);
+}
+
 template <class _ForwardIterator>
-_LIBCPP_NODISCARD_EXT inline
-_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
-_ForwardIterator
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 _ForwardIterator
 min_element(_ForwardIterator __first, _ForwardIterator __last)
 {
     return _VSTD::min_element(__first, __last,
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/search.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/search.h
index 367a5bf1c89..cfaec0ed1e1 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/search.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/search.h
@@ -68,7 +68,7 @@ __search(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1, _Rando
   const _D1 __len1 = __last1 - __first1;
   if (__len1 < __len2)
     return _VSTD::make_pair(__last1, __last1);
-  const _RandomAccessIterator1 __s = __last1 - (__len2 - 1); // Start of pattern match can't go beyond here
+  const _RandomAccessIterator1 __s = __last1 - _D1(__len2 - 1); // Start of pattern match can't go beyond here
 
   while (true) {
     while (true) {
@@ -83,7 +83,7 @@ __search(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1, _Rando
     _RandomAccessIterator2 __m2 = __first2;
     while (true) {
       if (++__m2 == __last2)
-        return _VSTD::make_pair(__first1, __first1 + __len2);
+        return _VSTD::make_pair(__first1, __first1 + _D1(__len2));
       ++__m1; // no need to check range on __m1 because __s guarantees we have enough source
       if (!__pred(*__m1, *__m2)) {
         ++__first1;
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/search_n.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/search_n.h
index 663edb37b41..67d066aa43d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/search_n.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/search_n.h
@@ -59,12 +59,13 @@ _LIBCPP_CONSTEXPR_AFTER_CXX17 _RandomAccessIterator __search_n(_RandomAccessIter
                                                                _RandomAccessIterator __last, _Size __count,
                                                                const _Tp& __value_, _BinaryPredicate __pred,
                                                                random_access_iterator_tag) {
+  typedef typename iterator_traits<_RandomAccessIterator>::difference_type difference_type;
   if (__count <= 0)
     return __first;
   _Size __len = static_cast<_Size>(__last - __first);
   if (__len < __count)
     return __last;
-  const _RandomAccessIterator __s = __last - (__count - 1); // Start of pattern match can't go beyond here
+  const _RandomAccessIterator __s = __last - difference_type(__count - 1); // Start of pattern match can't go beyond here
   while (true) {
     // Find first element in sequence that matchs __value_, with a mininum of loop checks
     while (true) {
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/sift_down.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/sift_down.h
index 6e801b48b44..4d99ff237c9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/sift_down.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/sift_down.h
@@ -38,7 +38,7 @@ __sift_down(_RandomAccessIterator __first, _RandomAccessIterator /*__last*/,
     __child = 2 * __child + 1;
     _RandomAccessIterator __child_i = __first + __child;
 
-    if ((__child + 1) < __len && __comp(*__child_i, *(__child_i + 1))) {
+    if ((__child + 1) < __len && __comp(*__child_i, *(__child_i + difference_type(1)))) {
         // right-child exists and is greater than left-child
         ++__child_i;
         ++__child;
@@ -63,7 +63,7 @@ __sift_down(_RandomAccessIterator __first, _RandomAccessIterator /*__last*/,
         __child = 2 * __child + 1;
         __child_i = __first + __child;
 
-        if ((__child + 1) < __len && __comp(*__child_i, *(__child_i + 1))) {
+        if ((__child + 1) < __len && __comp(*__child_i, *(__child_i + difference_type(1)))) {
             // right-child exists and is greater than left-child
             ++__child_i;
             ++__child;
diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/sort.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/sort.h
index 24d0a4935b4..bc127689a67 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/sort.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/sort.h
@@ -131,7 +131,7 @@ __selection_sort(_BidirectionalIterator __first, _BidirectionalIterator __last,
     _BidirectionalIterator __lm1 = __last;
     for (--__lm1; __first != __lm1; ++__first)
     {
-        _BidirectionalIterator __i = _VSTD::min_element<_BidirectionalIterator, _Compare&>(__first, __last, __comp);
+        _BidirectionalIterator __i = _VSTD::min_element(__first, __last, __comp);
         if (__i != __first)
             swap(*__first, *__i);
     }
@@ -160,10 +160,11 @@ template <class _Compare, class _RandomAccessIterator>
 void
 __insertion_sort_3(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
 {
+    typedef typename iterator_traits<_RandomAccessIterator>::difference_type difference_type;
     typedef typename iterator_traits<_RandomAccessIterator>::value_type value_type;
-    _RandomAccessIterator __j = __first+2;
-    _VSTD::__sort3<_Compare>(__first, __first+1, __j, __comp);
-    for (_RandomAccessIterator __i = __j+1; __i != __last; ++__i)
+    _RandomAccessIterator __j = __first+difference_type(2);
+    _VSTD::__sort3<_Compare>(__first, __first+difference_type(1), __j, __comp);
+    for (_RandomAccessIterator __i = __j+difference_type(1); __i != __last; ++__i)
     {
         if (__comp(*__i, *__j))
         {
@@ -185,6 +186,7 @@ template <class _Compare, class _RandomAccessIterator>
 bool
 __insertion_sort_incomplete(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp)
 {
+    typedef typename iterator_traits<_RandomAccessIterator>::difference_type difference_type;
     switch (__last - __first)
     {
     case 0:
@@ -195,21 +197,21 @@ __insertion_sort_incomplete(_RandomAccessIterator __first, _RandomAccessIterator
             swap(*__first, *__last);
         return true;
     case 3:
-        _VSTD::__sort3<_Compare>(__first, __first+1, --__last, __comp);
+        _VSTD::__sort3<_Compare>(__first, __first+difference_type(1), --__last, __comp);
         return true;
     case 4:
-        _VSTD::__sort4<_Compare>(__first, __first+1, __first+2, --__last, __comp);
+        _VSTD::__sort4<_Compare>(__first, __first+difference_type(1), __first+difference_type(2), --__last, __comp);
         return true;
     case 5:
-        _VSTD::__sort5<_Compare>(__first, __first+1, __first+2, __first+3, --__last, __comp);
+        _VSTD::__sort5<_Compare>(__first, __first+difference_type(1), __first+difference_type(2), __first+difference_type(3), --__last, __comp);
         return true;
     }
     typedef typename iterator_traits<_RandomAccessIterator>::value_type value_type;
-    _RandomAccessIterator __j = __first+2;
-    _VSTD::__sort3<_Compare>(__first, __first+1, __j, __comp);
+    _RandomAccessIterator __j = __first+difference_type(2);
+    _VSTD::__sort3<_Compare>(__first, __first+difference_type(1), __j, __comp);
     const unsigned __limit = 8;
     unsigned __count = 0;
-    for (_RandomAccessIterator __i = __j+1; __i != __last; ++__i)
+    for (_RandomAccessIterator __i = __j+difference_type(1); __i != __last; ++__i)
     {
         if (__comp(*__i, *__j))
         {
@@ -268,13 +270,12 @@ __insertion_sort_move(_BidirectionalIterator __first1, _BidirectionalIterator __
 template <class _Compare, class _RandomAccessIterator>
 void
 __introsort(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp,
-            typename _VSTD::iterator_traits<_RandomAccessIterator>::difference_type __depth)
+            typename iterator_traits<_RandomAccessIterator>::difference_type __depth)
 {
     typedef typename iterator_traits<_RandomAccessIterator>::difference_type difference_type;
     typedef typename iterator_traits<_RandomAccessIterator>::value_type value_type;
     const difference_type __limit = is_trivially_copy_constructible<value_type>::value &&
                                     is_trivially_copy_assignable<value_type>::value ? 30 : 6;
-    typedef typename __comp_ref_type<_Compare>::type _Comp_ref;
     while (true)
     {
     __restart:
@@ -289,13 +290,13 @@ __introsort(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compar
                 swap(*__first, *__last);
             return;
         case 3:
-            _VSTD::__sort3<_Compare>(__first, __first+1, --__last, __comp);
+            _VSTD::__sort3<_Compare>(__first, __first+difference_type(1), --__last, __comp);
             return;
         case 4:
-            _VSTD::__sort4<_Compare>(__first, __first+1, __first+2, --__last, __comp);
+            _VSTD::__sort4<_Compare>(__first, __first+difference_type(1), __first+difference_type(2), --__last, __comp);
             return;
         case 5:
-            _VSTD::__sort5<_Compare>(__first, __first+1, __first+2, __first+3, --__last, __comp);
+            _VSTD::__sort5<_Compare>(__first, __first+difference_type(1), __first+difference_type(2), __first+difference_type(3), --__last, __comp);
             return;
         }
         if (__len <= __limit)
@@ -307,7 +308,7 @@ __introsort(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compar
         if (__depth == 0)
         {
           // Fallback to heap sort as Introsort suggests.
-          _VSTD::__partial_sort<_Comp_ref>(__first, __last, __last, _Comp_ref(__comp));
+          _VSTD::__partial_sort<_Compare>(__first, __last, __last, __comp);
           return;
         }
         --__depth;
@@ -434,7 +435,7 @@ __introsort(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compar
         if (__n_swaps == 0)
         {
             bool __fs = _VSTD::__insertion_sort_incomplete<_Compare>(__first, __i, __comp);
-            if (_VSTD::__insertion_sort_incomplete<_Compare>(__i+1, __last, __comp))
+            if (_VSTD::__insertion_sort_incomplete<_Compare>(__i+difference_type(1), __last, __comp))
             {
                 if (__fs)
                     return;
@@ -458,7 +459,7 @@ __introsort(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compar
         }
         else
         {
-          _VSTD::__introsort<_Compare>(__i + 1, __last, __comp, __depth);
+          _VSTD::__introsort<_Compare>(__i + difference_type(1), __last, __comp, __depth);
           __last = __i;
         }
     }
@@ -478,7 +479,7 @@ template <class _Compare, class _RandomAccessIterator>
 void __sort(_RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp) {
   typedef typename iterator_traits<_RandomAccessIterator>::difference_type difference_type;
   difference_type __depth_limit = 2 * __log2i(__last - __first);
-  __introsort(__first, __last, __comp, __depth_limit);
+  _VSTD::__introsort<_Compare>(__first, __last, __comp, __depth_limit);
 }
 
 template <class _Compare, class _Tp>
diff --git a/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_defaults.h b/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_defaults.h
index 18b4599ea65..1e079a5ad7e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_defaults.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_defaults.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------- __bsd_locale_defaults.h -----------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h b/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h
index aa64b54c4d0..2d5c2eca467 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__bsd_locale_fallbacks.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------- __bsd_locale_fallbacks.h ----------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__charconv/from_chars_result.h b/contrib/libs/cxxsupp/libcxx/include/__charconv/from_chars_result.h
index 6d289ba79fd..fbd7d508115 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__charconv/from_chars_result.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__charconv/from_chars_result.h
@@ -25,6 +25,9 @@ struct _LIBCPP_TYPE_VIS from_chars_result
 {
     const char* ptr;
     errc ec;
+#  if _LIBCPP_STD_VER > 17
+    _LIBCPP_HIDE_FROM_ABI friend bool operator==(const from_chars_result&, const from_chars_result&) = default;
+#  endif
 };
 
 #endif // _LIBCPP_CXX03_LANG
diff --git a/contrib/libs/cxxsupp/libcxx/include/__charconv/to_chars_result.h b/contrib/libs/cxxsupp/libcxx/include/__charconv/to_chars_result.h
index b610a6adcfb..f515ee3122c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__charconv/to_chars_result.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__charconv/to_chars_result.h
@@ -25,6 +25,9 @@ struct _LIBCPP_TYPE_VIS to_chars_result
 {
     char* ptr;
     errc ec;
+#  if _LIBCPP_STD_VER > 17
+    _LIBCPP_HIDE_FROM_ABI friend bool operator==(const to_chars_result&, const to_chars_result&) = default;
+#  endif
 };
 
 #endif // _LIBCPP_CXX03_LANG
diff --git a/contrib/libs/cxxsupp/libcxx/include/__compare/common_comparison_category.h b/contrib/libs/cxxsupp/libcxx/include/__compare/common_comparison_category.h
index 09afb06243e..37a28db1d65 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__compare/common_comparison_category.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__compare/common_comparison_category.h
@@ -19,7 +19,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
+#if _LIBCPP_STD_VER > 17
 
 namespace __comp_detail {
 
@@ -87,7 +87,7 @@ struct _LIBCPP_TEMPLATE_VIS common_comparison_category {
 template<class... _Ts>
 using common_comparison_category_t = typename common_comparison_category<_Ts...>::type;
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
+#endif // _LIBCPP_STD_VER > 17
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__compare/compare_three_way.h b/contrib/libs/cxxsupp/libcxx/include/__compare/compare_three_way.h
index 492908a3a0d..3edddf1a1c9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__compare/compare_three_way.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__compare/compare_three_way.h
@@ -20,7 +20,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 struct _LIBCPP_TEMPLATE_VIS compare_three_way
 {
@@ -34,7 +34,7 @@ struct _LIBCPP_TEMPLATE_VIS compare_three_way
     using is_transparent = void;
 };
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__compare/ordering.h b/contrib/libs/cxxsupp/libcxx/include/__compare/ordering.h
index 2cab8b9a2ed..feaf837a4fb 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__compare/ordering.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__compare/ordering.h
@@ -25,7 +25,7 @@ namespace std {
 _LIBCPP_BEGIN_NAMESPACE_STD
 #endif
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
+#if _LIBCPP_STD_VER > 17
 
 // exposition only
 enum class _LIBCPP_ENUM_VIS _OrdResult : signed char {
@@ -319,7 +319,7 @@ inline constexpr strong_ordering strong_ordering::equal(_OrdResult::__equiv);
 inline constexpr strong_ordering strong_ordering::equivalent(_OrdResult::__equiv);
 inline constexpr strong_ordering strong_ordering::greater(_OrdResult::__greater);
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
+#endif // _LIBCPP_STD_VER > 17
 
 #if defined(_MSC_VER) && !defined(__clang__)
 }
diff --git a/contrib/libs/cxxsupp/libcxx/include/__compare/synth_three_way.h b/contrib/libs/cxxsupp/libcxx/include/__compare/synth_three_way.h
index cc0b0f2c2af..3d8e738816d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__compare/synth_three_way.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__compare/synth_three_way.h
@@ -21,7 +21,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 // [expos.only.func]
 
@@ -44,7 +44,7 @@ _LIBCPP_HIDE_FROM_ABI inline constexpr auto __synth_three_way =
 template <class _Tp, class _Up = _Tp>
 using __synth_three_way_result = decltype(__synth_three_way(declval<_Tp&>(), declval<_Up&>()));
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__compare/three_way_comparable.h b/contrib/libs/cxxsupp/libcxx/include/__compare/three_way_comparable.h
index 2560cf64024..c4794949007 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__compare/three_way_comparable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__compare/three_way_comparable.h
@@ -24,7 +24,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 template<class _Tp, class _Cat>
 concept __compares_as =
@@ -51,7 +51,7 @@ concept three_way_comparable_with =
     { __u <=> __t } -> __compares_as<_Cat>;
   };
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__config b/contrib/libs/cxxsupp/libcxx/include/__config
index 0557fe2b486..d2e69a122e6 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__config
+++ b/contrib/libs/cxxsupp/libcxx/include/__config
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- __config ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -1239,11 +1239,10 @@ extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(
 #  define _LIBCPP_HAS_GCC_ATOMIC_IMP
 #endif
 
-#if (!defined(_LIBCPP_HAS_C_ATOMIC_IMP) && \
-     !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \
-     !defined(_LIBCPP_COMPILER_MSVC) && \
-     !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP)) \
-     || defined(_LIBCPP_HAS_NO_THREADS)
+#if !defined(_LIBCPP_HAS_C_ATOMIC_IMP) && \
+    !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \
+    !defined(_LIBCPP_COMPILER_MSVC) && \
+    !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP)
 #  define _LIBCPP_HAS_NO_ATOMIC_HEADER
 #else
 #  ifndef _LIBCPP_ATOMIC_FLAG_TYPE
@@ -1361,10 +1360,6 @@ extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(
 #define _LIBCPP_HAS_NO_CXX20_COROUTINES
 #endif
 
-#if !defined(__cpp_impl_three_way_comparison) || __cpp_impl_three_way_comparison < 201907L
-#define _LIBCPP_HAS_NO_SPACESHIP_OPERATOR
-#endif
-
 // Yandex-specific: We build our own libc++, so it has everything available
 #define _LIBCPP_DISABLE_AVAILABILITY
 // End of Yandex-specific
diff --git a/contrib/libs/cxxsupp/libcxx/include/__coroutine/coroutine_handle.h b/contrib/libs/cxxsupp/libcxx/include/__coroutine/coroutine_handle.h
index bddd45e72e2..64657c0585b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__coroutine/coroutine_handle.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__coroutine/coroutine_handle.h
@@ -94,31 +94,6 @@ private:
 };
 
 // [coroutine.handle.compare]
-#if defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
-
-inline _LIBCPP_HIDE_FROM_ABI
-constexpr bool operator==(coroutine_handle<> __x, coroutine_handle<> __y) noexcept {
-    return __x.address() == __y.address();
-}
-inline _LIBCPP_HIDE_FROM_ABI
-constexpr bool operator<(coroutine_handle<> __x, coroutine_handle<> __y) noexcept {
-    return less<void*>()(__x.address(), __y.address());
-}
-inline _LIBCPP_HIDE_FROM_ABI
-constexpr bool operator>(coroutine_handle<> __x, coroutine_handle<> __y) noexcept {
-    return __y < __x;
-}
-inline _LIBCPP_HIDE_FROM_ABI
-constexpr bool operator<=(coroutine_handle<> __x, coroutine_handle<> __y) noexcept {
-    return !(__x > __y);
-}
-inline _LIBCPP_HIDE_FROM_ABI
-constexpr bool operator>=(coroutine_handle<> __x, coroutine_handle<> __y) noexcept {
-    return !(__x < __y);
-}
-
-#else
-
 inline _LIBCPP_HIDE_FROM_ABI
 constexpr bool operator==(coroutine_handle<> __x, coroutine_handle<> __y) noexcept {
     return __x.address() == __y.address();
@@ -128,8 +103,6 @@ constexpr strong_ordering operator<=>(coroutine_handle<> __x, coroutine_handle<>
     return compare_three_way()(__x.address(), __y.address());
 }
 
-#endif // defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
-
 template <class _Promise>
 struct _LIBCPP_TEMPLATE_VIS coroutine_handle {
 public:
diff --git a/contrib/libs/cxxsupp/libcxx/include/__debug b/contrib/libs/cxxsupp/libcxx/include/__debug
index 771e4316320..e25039c088c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__debug
+++ b/contrib/libs/cxxsupp/libcxx/include/__debug
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- __debug ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__errc b/contrib/libs/cxxsupp/libcxx/include/__errc
index 81da2e1970c..68d5fa32015 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__errc
+++ b/contrib/libs/cxxsupp/libcxx/include/__errc
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- __errc ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__format/formatter.h b/contrib/libs/cxxsupp/libcxx/include/__format/formatter.h
index 38fd88e855f..1adce75a861 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__format/formatter.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__format/formatter.h
@@ -60,6 +60,49 @@ private:
   }
 };
 
+namespace __format_spec {
+
+_LIBCPP_HIDE_FROM_ABI inline char* __insert_sign(char* __buf, bool __negative,
+                                                 _Flags::_Sign __sign) {
+  if (__negative)
+    *__buf++ = '-';
+  else
+    switch (__sign) {
+    case _Flags::_Sign::__default:
+    case _Flags::_Sign::__minus:
+      // No sign added.
+      break;
+    case _Flags::_Sign::__plus:
+      *__buf++ = '+';
+      break;
+    case _Flags::_Sign::__space:
+      *__buf++ = ' ';
+      break;
+    }
+
+  return __buf;
+}
+
+_LIBCPP_HIDE_FROM_ABI constexpr char __hex_to_upper(char c) {
+  switch (c) {
+  case 'a':
+    return 'A';
+  case 'b':
+    return 'B';
+  case 'c':
+    return 'C';
+  case 'd':
+    return 'D';
+  case 'e':
+    return 'E';
+  case 'f':
+    return 'F';
+  }
+  return c;
+}
+
+} // namespace __format_spec
+
 namespace __formatter {
 
 /** The character types that formatters are specialized for. */
diff --git a/contrib/libs/cxxsupp/libcxx/include/__format/formatter_integral.h b/contrib/libs/cxxsupp/libcxx/include/__format/formatter_integral.h
index 6a232f21fa8..5f1353effd7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__format/formatter_integral.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__format/formatter_integral.h
@@ -133,45 +133,6 @@ _LIBCPP_HIDE_FROM_ABI constexpr size_t __buffer_size() noexcept
          + 1;                        // Reserve space for the sign.
 }
 
-_LIBCPP_HIDE_FROM_ABI inline char* __insert_sign(char* __buf, bool __negative,
-                                                 _Flags::_Sign __sign) {
-  if (__negative)
-    *__buf++ = '-';
-  else
-    switch (__sign) {
-    case _Flags::_Sign::__default:
-    case _Flags::_Sign::__minus:
-      // No sign added.
-      break;
-    case _Flags::_Sign::__plus:
-      *__buf++ = '+';
-      break;
-    case _Flags::_Sign::__space:
-      *__buf++ = ' ';
-      break;
-    }
-
-  return __buf;
-}
-
-_LIBCPP_HIDE_FROM_ABI constexpr char __hex_to_upper(char c) {
-  switch (c) {
-  case 'a':
-    return 'A';
-  case 'b':
-    return 'B';
-  case 'c':
-    return 'C';
-  case 'd':
-    return 'D';
-  case 'e':
-    return 'E';
-  case 'f':
-    return 'F';
-  }
-  return c;
-}
-
 /**
  * Determines the required grouping based on the size of the input.
  *
diff --git a/contrib/libs/cxxsupp/libcxx/include/__memory/shared_ptr.h b/contrib/libs/cxxsupp/libcxx/include/__memory/shared_ptr.h
index 1179b8a610e..00b376a4bf9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__memory/shared_ptr.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__memory/shared_ptr.h
@@ -1600,7 +1600,7 @@ basic_ostream<_CharT, _Traits>&
 operator<<(basic_ostream<_CharT, _Traits>& __os, shared_ptr<_Yp> const& __p);
 
 
-#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
+#if !defined(_LIBCPP_HAS_NO_THREADS)
 
 class _LIBCPP_TYPE_VIS __sp_mut
 {
@@ -1740,7 +1740,7 @@ atomic_compare_exchange_weak_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v
     return atomic_compare_exchange_weak(__p, __v, __w);
 }
 
-#endif // !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
+#endif // !defined(_LIBCPP_HAS_NO_THREADS)
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__nullptr b/contrib/libs/cxxsupp/libcxx/include/__nullptr
index e1475116423..d02be215ef1 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__nullptr
+++ b/contrib/libs/cxxsupp/libcxx/include/__nullptr
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- __nullptr --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/access.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/access.h
index 559711359c5..b0b89c0eeea 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/access.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/access.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ __ranges/access.h ---------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/concepts.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/concepts.h
index 90028e34b7b..dc1cece33b8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/concepts.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/concepts.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------- __ranges/concepts.h ----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h
index 8060dd558a9..7eade494cce 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/data.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ __ranges/data.h ------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/enable_borrowed_range.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/enable_borrowed_range.h
index 220db8bbf5c..20b1d42b26c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/enable_borrowed_range.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/enable_borrowed_range.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------ __ranges/enable_borrowed_range.h ------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h b/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h
index de1296cbd26..208a9a22694 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__ranges/transform_view.h
@@ -303,14 +303,12 @@ public:
     return __x.__current_ >= __y.__current_;
   }
 
-#if !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
   _LIBCPP_HIDE_FROM_ABI
   friend constexpr auto operator<=>(const __iterator& __x, const __iterator& __y)
     requires random_access_range<_Base> && three_way_comparable<iterator_t<_Base>>
   {
     return __x.__current_ <=> __y.__current_;
   }
-#endif // !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
 
   _LIBCPP_HIDE_FROM_ABI
   friend constexpr __iterator operator+(__iterator __i, difference_type __n)
diff --git a/contrib/libs/cxxsupp/libcxx/include/__string b/contrib/libs/cxxsupp/libcxx/include/__string
index 7074a735386..50f6f5e4755 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__string
+++ b/contrib/libs/cxxsupp/libcxx/include/__string
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- __string ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__thread/poll_with_backoff.h b/contrib/libs/cxxsupp/libcxx/include/__thread/poll_with_backoff.h
new file mode 100644
index 00000000000..e1d8a9c90c5
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/__thread/poll_with_backoff.h
@@ -0,0 +1,68 @@
+// -*- 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___THREAD_POLL_WITH_BACKOFF_H
+#define _LIBCPP___THREAD_POLL_WITH_BACKOFF_H
+
+#include <__config>
+#include <chrono>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+static _LIBCPP_CONSTEXPR const int __libcpp_polling_count = 64;
+
+// Polls a thread for a condition given by a predicate, and backs off based on a backoff policy
+// before polling again.
+//
+// - __f is the "test function" that should return true if polling succeeded, and false if it failed.
+//
+// - __bf is the "backoff policy", which is called with the duration since we started polling. It should
+//   return false in order to resume polling, and true if polling should stop entirely for some reason.
+//   In general, backoff policies sleep for some time before returning control to the polling loop.
+//
+// - __max_elapsed is the maximum duration to try polling for. If the maximum duration is exceeded,
+//   the polling loop will return false to report a timeout.
+template<class _Fn, class _BFn>
+_LIBCPP_AVAILABILITY_SYNC _LIBCPP_HIDE_FROM_ABI
+bool __libcpp_thread_poll_with_backoff(_Fn&& __f, _BFn&& __bf, chrono::nanoseconds __max_elapsed = chrono::nanoseconds::zero()) {
+    auto const __start = chrono::high_resolution_clock::now();
+    for (int __count = 0;;) {
+      if (__f())
+        return true; // _Fn completion means success
+      if (__count < __libcpp_polling_count) {
+        __count += 1;
+        continue;
+      }
+      chrono::nanoseconds const __elapsed = chrono::high_resolution_clock::now() - __start;
+      if (__max_elapsed != chrono::nanoseconds::zero() && __max_elapsed < __elapsed)
+          return false; // timeout failure
+      if (__bf(__elapsed))
+        return false; // _BFn completion means failure
+    }
+}
+
+// A trivial backoff policy that always immediately returns the control to
+// the polling loop.
+//
+// This is not very well-behaved since it will cause the polling loop to spin,
+// so this should most likely only be used on single-threaded systems where there
+// are no other threads to compete with.
+struct __spinning_backoff_policy {
+  _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR
+  bool operator()(chrono::nanoseconds const&) const {
+      return false;
+  }
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___THREAD_POLL_WITH_BACKOFF_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__threading_support b/contrib/libs/cxxsupp/libcxx/include/__threading_support
index 7bf2363d20e..9f70ad18b4d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__threading_support
+++ b/contrib/libs/cxxsupp/libcxx/include/__threading_support
@@ -12,6 +12,7 @@
 
 #include <__availability>
 #include <__config>
+#include <__thread/poll_with_backoff.h>
 #include <chrono>
 #include <errno.h>
 #include <iosfwd>
@@ -269,29 +270,6 @@ struct __libcpp_timed_backoff_policy {
   }
 };
 
-static _LIBCPP_CONSTEXPR const int __libcpp_polling_count = 64;
-
-template<class _Fn, class _BFn>
-_LIBCPP_AVAILABILITY_SYNC _LIBCPP_INLINE_VISIBILITY
-bool __libcpp_thread_poll_with_backoff(
-  _Fn && __f, _BFn && __bf, chrono::nanoseconds __max_elapsed = chrono::nanoseconds::zero())
-{
-    auto const __start = chrono::high_resolution_clock::now();
-    for(int __count = 0;;) {
-      if(__f())
-        return true; // _Fn completion means success
-      if(__count < __libcpp_polling_count) {
-        __count += 1;
-        continue;
-      }
-      chrono::nanoseconds const __elapsed = chrono::high_resolution_clock::now() - __start;
-      if(__max_elapsed != chrono::nanoseconds::zero() && __max_elapsed < __elapsed)
-          return false; // timeout failure
-      if(__bf(__elapsed))
-        return false; // _BFn completion means failure
-    }
-}
-
 #if (!defined(_LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL) || \
      defined(_LIBCPP_BUILDING_THREAD_LIBRARY_EXTERNAL))
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/__undef_macros b/contrib/libs/cxxsupp/libcxx/include/__undef_macros
index 4923ee6b4a1..40b2b64d0a6 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__undef_macros
+++ b/contrib/libs/cxxsupp/libcxx/include/__undef_macros
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ __undef_macros ------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/__utility/pair.h b/contrib/libs/cxxsupp/libcxx/include/__utility/pair.h
index 3a1ba8ab7c7..960dd071f20 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__utility/pair.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__utility/pair.h
@@ -340,7 +340,7 @@ operator==(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
     return __x.first == __y.first && __x.second == __y.second;
 }
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 template <class _T1, class _T2>
 _LIBCPP_HIDE_FROM_ABI constexpr
@@ -355,7 +355,7 @@ operator<=>(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
     return _VSTD::__synth_three_way(__x.second, __y.second);
 }
 
-#else // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#else // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 template <class _T1, class _T2>
 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
@@ -397,7 +397,7 @@ operator<=(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
     return !(__y < __x);
 }
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 template <class _T1, class _T2>
 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
diff --git a/contrib/libs/cxxsupp/libcxx/include/__utility/to_underlying.h b/contrib/libs/cxxsupp/libcxx/include/__utility/to_underlying.h
index 084d3694e5d..54f99108a38 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__utility/to_underlying.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__utility/to_underlying.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------- __utility/to_underlying.h --------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/algorithm b/contrib/libs/cxxsupp/libcxx/include/algorithm
index 3fe0c8c1c9c..463060d6f62 100644
--- a/contrib/libs/cxxsupp/libcxx/include/algorithm
+++ b/contrib/libs/cxxsupp/libcxx/include/algorithm
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- algorithm ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/any b/contrib/libs/cxxsupp/libcxx/include/any
index 3a826c4d50b..c5b7af2953b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/any
+++ b/contrib/libs/cxxsupp/libcxx/include/any
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------------ any -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/array b/contrib/libs/cxxsupp/libcxx/include/array
index 0ddfc955af9..06884eab4a8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/array
+++ b/contrib/libs/cxxsupp/libcxx/include/array
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- array -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/atomic b/contrib/libs/cxxsupp/libcxx/include/atomic
index 992c7459618..188b36c69f7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/atomic
+++ b/contrib/libs/cxxsupp/libcxx/include/atomic
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- atomic -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -520,20 +520,21 @@ template <class T>
 
 #include <__availability>
 #include <__config>
-#include <__threading_support>
+#include <__thread/poll_with_backoff.h>
 #include <cstddef>
 #include <cstdint>
 #include <cstring>
 #include <type_traits>
 #include <version>
 
+#ifndef _LIBCPP_HAS_NO_THREADS
+# include <__threading_support>
+#endif
+
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
 #endif
 
-#ifdef _LIBCPP_HAS_NO_THREADS
-# error <atomic> is not supported on this single threaded system
-#endif
 #ifdef _LIBCPP_HAS_NO_ATOMIC_HEADER
 # error <atomic> is not implemented
 #endif
@@ -1461,7 +1462,7 @@ template <typename _Tp,
 #endif //_LIBCPP_ATOMIC_ONLY_USE_BUILTINS
 struct __cxx_atomic_impl : public _Base {
     static_assert(is_trivially_copyable<_Tp>::value,
-      "std::atomic<Tp> requires that 'Tp' be a trivially copyable type");
+      "std::atomic<T> requires that 'T' be a trivially copyable type");
 
   _LIBCPP_INLINE_VISIBILITY __cxx_atomic_impl() _NOEXCEPT _LIBCPP_DEFAULT
   _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR explicit __cxx_atomic_impl(_Tp value) _NOEXCEPT
@@ -1476,6 +1477,16 @@ struct __cxx_atomic_impl : public _Base {
 
 using __cxx_atomic_contention_t = __cxx_atomic_impl<__cxx_contention_t>;
 
+#if defined(_LIBCPP_HAS_NO_THREADS)
+#   define _LIBCPP_HAS_NO_PLATFORM_WAIT
+#endif
+
+// TODO:
+// _LIBCPP_HAS_NO_PLATFORM_WAIT is currently a "dead" macro, in the sense that
+// it is not tied anywhere into the build system or even documented. We should
+// clean it up because it is technically never defined except when threads are
+// disabled. We should clean it up in its own changeset in case we break "bad"
+// users.
 #ifndef _LIBCPP_HAS_NO_PLATFORM_WAIT
 
 _LIBCPP_AVAILABILITY_SYNC _LIBCPP_EXPORTED_FROM_ABI void __cxx_atomic_notify_one(void const volatile*);
@@ -1527,7 +1538,12 @@ _LIBCPP_INLINE_VISIBILITY void __cxx_atomic_notify_one(__cxx_atomic_impl<_Tp> co
 template <class _Atp, class _Fn>
 _LIBCPP_INLINE_VISIBILITY bool __cxx_atomic_wait(_Atp*, _Fn && __test_fn)
 {
-    return __libcpp_thread_poll_with_backoff(__test_fn, __libcpp_timed_backoff_policy());
+#if defined(_LIBCPP_HAS_NO_THREADS)
+    using _Policy = __spinning_backoff_policy;
+#else
+    using _Policy = __libcpp_timed_backoff_policy;
+#endif
+    return __libcpp_thread_poll_with_backoff(__test_fn, _Policy());
 }
 
 #endif // _LIBCPP_HAS_NO_PLATFORM_WAIT
diff --git a/contrib/libs/cxxsupp/libcxx/include/barrier b/contrib/libs/cxxsupp/libcxx/include/barrier
index c40a1e43f31..555fdacd3b8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/barrier
+++ b/contrib/libs/cxxsupp/libcxx/include/barrier
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- barrier ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/bit b/contrib/libs/cxxsupp/libcxx/include/bit
index eab67977a19..634475b9987 100644
--- a/contrib/libs/cxxsupp/libcxx/include/bit
+++ b/contrib/libs/cxxsupp/libcxx/include/bit
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------------ bit ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/bitset b/contrib/libs/cxxsupp/libcxx/include/bitset
index 9f58bbcd379..74346b13f06 100644
--- a/contrib/libs/cxxsupp/libcxx/include/bitset
+++ b/contrib/libs/cxxsupp/libcxx/include/bitset
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- bitset ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cassert b/contrib/libs/cxxsupp/libcxx/include/cassert
index 25a0a746b8d..ebd5a56bb04 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cassert
+++ b/contrib/libs/cxxsupp/libcxx/include/cassert
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- cassert -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ccomplex b/contrib/libs/cxxsupp/libcxx/include/ccomplex
index cea45091284..3402fc9a391 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ccomplex
+++ b/contrib/libs/cxxsupp/libcxx/include/ccomplex
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- ccomplex ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cctype b/contrib/libs/cxxsupp/libcxx/include/cctype
index b078056862a..4235cd6acc8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cctype
+++ b/contrib/libs/cxxsupp/libcxx/include/cctype
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- cctype ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cerrno b/contrib/libs/cxxsupp/libcxx/include/cerrno
index 1388d7eac22..486588e31fc 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cerrno
+++ b/contrib/libs/cxxsupp/libcxx/include/cerrno
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- cerrno ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cfenv b/contrib/libs/cxxsupp/libcxx/include/cfenv
index 05b55ee364f..94ab79377c8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cfenv
+++ b/contrib/libs/cxxsupp/libcxx/include/cfenv
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- cfenv -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cfloat b/contrib/libs/cxxsupp/libcxx/include/cfloat
index 77ff5261e3a..76374083407 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cfloat
+++ b/contrib/libs/cxxsupp/libcxx/include/cfloat
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cfloat -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/charconv b/contrib/libs/cxxsupp/libcxx/include/charconv
index c0e43e57155..3c969dc79ab 100644
--- a/contrib/libs/cxxsupp/libcxx/include/charconv
+++ b/contrib/libs/cxxsupp/libcxx/include/charconv
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------------ charconv ------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -27,6 +27,7 @@ namespace std {
   struct to_chars_result {
     char* ptr;
     errc ec;
+    friend bool operator==(const to_chars_result&, const to_chars_result&) = default; // since C++20
   };
 
   to_chars_result to_chars(char* first, char* last, see below value,
@@ -56,6 +57,7 @@ namespace std {
   struct from_chars_result {
     const char* ptr;
     errc ec;
+    friend bool operator==(const from_chars_result&, const from_chars_result&) = default; // since C++20
   };
 
   from_chars_result from_chars(const char* first, const char* last,
diff --git a/contrib/libs/cxxsupp/libcxx/include/chrono b/contrib/libs/cxxsupp/libcxx/include/chrono
index c36c8f9e729..b133a6b460b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/chrono
+++ b/contrib/libs/cxxsupp/libcxx/include/chrono
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- chrono ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cinttypes b/contrib/libs/cxxsupp/libcxx/include/cinttypes
index 7ce4a8ad5d8..07d54a3b626 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cinttypes
+++ b/contrib/libs/cxxsupp/libcxx/include/cinttypes
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cinttypes --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ciso646 b/contrib/libs/cxxsupp/libcxx/include/ciso646
index c37f6379746..b2538d06a8d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ciso646
+++ b/contrib/libs/cxxsupp/libcxx/include/ciso646
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- ciso646 ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/climits b/contrib/libs/cxxsupp/libcxx/include/climits
index 217ec6286e8..2040e1ad02a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/climits
+++ b/contrib/libs/cxxsupp/libcxx/include/climits
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- climits ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/clocale b/contrib/libs/cxxsupp/libcxx/include/clocale
index ea4f8014bb2..ed8c7d24063 100644
--- a/contrib/libs/cxxsupp/libcxx/include/clocale
+++ b/contrib/libs/cxxsupp/libcxx/include/clocale
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- clocale ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cmath b/contrib/libs/cxxsupp/libcxx/include/cmath
index e14905c57cf..5ad779ec00b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cmath
+++ b/contrib/libs/cxxsupp/libcxx/include/cmath
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- cmath -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/codecvt b/contrib/libs/cxxsupp/libcxx/include/codecvt
index 4ae07be3f82..60d3db882c0 100644
--- a/contrib/libs/cxxsupp/libcxx/include/codecvt
+++ b/contrib/libs/cxxsupp/libcxx/include/codecvt
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- codecvt -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/compare b/contrib/libs/cxxsupp/libcxx/include/compare
index ddb83135475..8a2a8290706 100644
--- a/contrib/libs/cxxsupp/libcxx/include/compare
+++ b/contrib/libs/cxxsupp/libcxx/include/compare
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- compare -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -149,7 +149,7 @@ namespace std {
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
+#if _LIBCPP_STD_VER > 17
 
 // [cmp.alg], comparison algorithms
 // TODO: unimplemented
@@ -157,7 +157,7 @@ template<class _Tp> constexpr strong_ordering strong_order(const _Tp& __lhs, con
 template<class _Tp> constexpr weak_ordering weak_order(const _Tp& __lhs, const _Tp& __rhs);
 template<class _Tp> constexpr partial_ordering partial_order(const _Tp& __lhs, const _Tp& __rhs);
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR)
+#endif // _LIBCPP_STD_VER > 17
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/complex b/contrib/libs/cxxsupp/libcxx/include/complex
index e6443791f3f..7c9a5b94fa7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/complex
+++ b/contrib/libs/cxxsupp/libcxx/include/complex
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- complex ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/complex.h b/contrib/libs/cxxsupp/libcxx/include/complex.h
index b614759adac..c718eaec05a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/complex.h
+++ b/contrib/libs/cxxsupp/libcxx/include/complex.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- complex.h --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/condition_variable b/contrib/libs/cxxsupp/libcxx/include/condition_variable
index a33250c6779..0569e2254d1 100644
--- a/contrib/libs/cxxsupp/libcxx/include/condition_variable
+++ b/contrib/libs/cxxsupp/libcxx/include/condition_variable
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------- condition_variable ----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/csetjmp b/contrib/libs/cxxsupp/libcxx/include/csetjmp
index 41902f0e471..f7afe616875 100644
--- a/contrib/libs/cxxsupp/libcxx/include/csetjmp
+++ b/contrib/libs/cxxsupp/libcxx/include/csetjmp
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- csetjmp ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/csignal b/contrib/libs/cxxsupp/libcxx/include/csignal
index 3b262b561a4..e2c71a98769 100644
--- a/contrib/libs/cxxsupp/libcxx/include/csignal
+++ b/contrib/libs/cxxsupp/libcxx/include/csignal
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- csignal ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cstdarg b/contrib/libs/cxxsupp/libcxx/include/cstdarg
index 352db8b8c1d..17fa5a55052 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cstdarg
+++ b/contrib/libs/cxxsupp/libcxx/include/cstdarg
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cstdarg ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cstdbool b/contrib/libs/cxxsupp/libcxx/include/cstdbool
index 7708537ca8e..b7bdb9a555b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cstdbool
+++ b/contrib/libs/cxxsupp/libcxx/include/cstdbool
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cstdbool ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cstddef b/contrib/libs/cxxsupp/libcxx/include/cstddef
index e7673037d39..0514896a296 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cstddef
+++ b/contrib/libs/cxxsupp/libcxx/include/cstddef
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cstddef ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cstdint b/contrib/libs/cxxsupp/libcxx/include/cstdint
index aa7c8b5cbf5..8fbdd6e523f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cstdint
+++ b/contrib/libs/cxxsupp/libcxx/include/cstdint
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cstdint ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cstdio b/contrib/libs/cxxsupp/libcxx/include/cstdio
index 6a88bee6e81..492439f675c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cstdio
+++ b/contrib/libs/cxxsupp/libcxx/include/cstdio
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- cstdio ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cstdlib b/contrib/libs/cxxsupp/libcxx/include/cstdlib
index e1645f636d4..219c68c6d37 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cstdlib
+++ b/contrib/libs/cxxsupp/libcxx/include/cstdlib
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cstdlib ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cstring b/contrib/libs/cxxsupp/libcxx/include/cstring
index d69d27c1a9f..91036f575a3 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cstring
+++ b/contrib/libs/cxxsupp/libcxx/include/cstring
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cstring ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ctgmath b/contrib/libs/cxxsupp/libcxx/include/ctgmath
index 41f7f0a172e..108e948800d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ctgmath
+++ b/contrib/libs/cxxsupp/libcxx/include/ctgmath
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- ctgmath -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ctime b/contrib/libs/cxxsupp/libcxx/include/ctime
index 816618f6a37..779187d0ef5 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ctime
+++ b/contrib/libs/cxxsupp/libcxx/include/ctime
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- ctime -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ctype.h b/contrib/libs/cxxsupp/libcxx/include/ctype.h
index e64c643477b..1b4b56a3d08 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ctype.h
+++ b/contrib/libs/cxxsupp/libcxx/include/ctype.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- ctype.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cwchar b/contrib/libs/cxxsupp/libcxx/include/cwchar
index c596398d3e0..e07f2df9845 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cwchar
+++ b/contrib/libs/cxxsupp/libcxx/include/cwchar
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cwchar -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/cwctype b/contrib/libs/cxxsupp/libcxx/include/cwctype
index 27eea2f1573..b3ef1ae905a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/cwctype
+++ b/contrib/libs/cxxsupp/libcxx/include/cwctype
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- cwctype ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/deque b/contrib/libs/cxxsupp/libcxx/include/deque
index dd47fb124d0..c6619d3b77e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/deque
+++ b/contrib/libs/cxxsupp/libcxx/include/deque
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- deque -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/errno.h b/contrib/libs/cxxsupp/libcxx/include/errno.h
index a00707aa4c3..d4aca9cabf8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/errno.h
+++ b/contrib/libs/cxxsupp/libcxx/include/errno.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- errno.h -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/exception b/contrib/libs/cxxsupp/libcxx/include/exception
index e83e9fee2ec..f29147d9356 100644
--- a/contrib/libs/cxxsupp/libcxx/include/exception
+++ b/contrib/libs/cxxsupp/libcxx/include/exception
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- exception ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/execution b/contrib/libs/cxxsupp/libcxx/include/execution
index 5d06f769b96..f87bb77f93e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/execution
+++ b/contrib/libs/cxxsupp/libcxx/include/execution
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------- execution ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/__config b/contrib/libs/cxxsupp/libcxx/include/experimental/__config
index 9c16474031d..c7a7d68118a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/__config
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/__config
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- __config ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/algorithm b/contrib/libs/cxxsupp/libcxx/include/experimental/algorithm
index 79572ff51f8..bcf372cafd7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/algorithm
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/algorithm
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- algorithm ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/coroutine b/contrib/libs/cxxsupp/libcxx/include/experimental/coroutine
index bac6062c3ff..16b4028765b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/coroutine
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/coroutine
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------------- coroutine -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/deque b/contrib/libs/cxxsupp/libcxx/include/experimental/deque
index 73c2787c7a0..594ddff22f9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/deque
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/deque
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- deque ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/filesystem b/contrib/libs/cxxsupp/libcxx/include/experimental/filesystem
index d2e6237df34..45d80b66a87 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/filesystem
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/filesystem
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- filesystem -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/forward_list b/contrib/libs/cxxsupp/libcxx/include/experimental/forward_list
index 93f6debe9cb..6781424cf2c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/forward_list
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/forward_list
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- forward_list -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/functional b/contrib/libs/cxxsupp/libcxx/include/experimental/functional
index e3220e16cae..bcff51e8056 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/functional
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/functional
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- functional --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/iterator b/contrib/libs/cxxsupp/libcxx/include/experimental/iterator
index 09ea2cbcc7d..10c903832d8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/iterator
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/iterator
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------------- iterator -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/list b/contrib/libs/cxxsupp/libcxx/include/experimental/list
index adc64a8b537..099d80fd8db 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/list
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/list
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- list ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/map b/contrib/libs/cxxsupp/libcxx/include/experimental/map
index 965d7582c9d..27ff7e862e2 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/map
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/map
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------------- map ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/memory_resource b/contrib/libs/cxxsupp/libcxx/include/experimental/memory_resource
index 75e502d78c2..71a4f51c50e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/memory_resource
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/memory_resource
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ memory_resource -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/propagate_const b/contrib/libs/cxxsupp/libcxx/include/experimental/propagate_const
index ce4b879b7ea..12376dcec24 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/propagate_const
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/propagate_const
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ propagate_const -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/regex b/contrib/libs/cxxsupp/libcxx/include/experimental/regex
index dcd45ac56a8..ced0e950a12 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/regex
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/regex
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------------- regex ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/set b/contrib/libs/cxxsupp/libcxx/include/experimental/set
index 52f4df38427..891510bbb8d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/set
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/set
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- list ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/simd b/contrib/libs/cxxsupp/libcxx/include/experimental/simd
index 59a71395858..1f17ee96f0b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/simd
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/simd
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------------- simd ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/string b/contrib/libs/cxxsupp/libcxx/include/experimental/string
index 63890ac51b0..b881fcf3af1 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/string
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/string
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- string ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/type_traits b/contrib/libs/cxxsupp/libcxx/include/experimental/type_traits
index ea1335f96af..408e62d5cb8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/type_traits
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/type_traits
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- type_traits -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_map b/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_map
index eca9cea793a..fc8cc7f77bf 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_map
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_map
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------- unordered_map ------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_set b/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_set
index 323868f785a..39342da5f67 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_set
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/unordered_set
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------- unordered_set ------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/utility b/contrib/libs/cxxsupp/libcxx/include/experimental/utility
index 0bca0f7c9c4..6d819da9bb1 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/utility
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/utility
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- utility ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/experimental/vector b/contrib/libs/cxxsupp/libcxx/include/experimental/vector
index 9b810120695..a22698ef7ce 100644
--- a/contrib/libs/cxxsupp/libcxx/include/experimental/vector
+++ b/contrib/libs/cxxsupp/libcxx/include/experimental/vector
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- vector ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ext/__hash b/contrib/libs/cxxsupp/libcxx/include/ext/__hash
index fbeddf03a40..268577f3c92 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ext/__hash
+++ b/contrib/libs/cxxsupp/libcxx/include/ext/__hash
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------- hash_set ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ext/hash_map b/contrib/libs/cxxsupp/libcxx/include/ext/hash_map
index 60e32b09e3e..6c757e2fba3 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ext/hash_map
+++ b/contrib/libs/cxxsupp/libcxx/include/ext/hash_map
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- hash_map ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ext/hash_set b/contrib/libs/cxxsupp/libcxx/include/ext/hash_set
index af3f9c5de0c..b61f5f1da44 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ext/hash_set
+++ b/contrib/libs/cxxsupp/libcxx/include/ext/hash_set
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------- hash_set ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/filesystem b/contrib/libs/cxxsupp/libcxx/include/filesystem
index 8c75d88c878..5333c2e63bf 100644
--- a/contrib/libs/cxxsupp/libcxx/include/filesystem
+++ b/contrib/libs/cxxsupp/libcxx/include/filesystem
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- filesystem -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/float.h b/contrib/libs/cxxsupp/libcxx/include/float.h
index ec7197e2922..57afc748660 100644
--- a/contrib/libs/cxxsupp/libcxx/include/float.h
+++ b/contrib/libs/cxxsupp/libcxx/include/float.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- float.h ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/format b/contrib/libs/cxxsupp/libcxx/include/format
index 53ecb5a43d4..e1d47c9f84d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/format
+++ b/contrib/libs/cxxsupp/libcxx/include/format
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- format -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/forward_list b/contrib/libs/cxxsupp/libcxx/include/forward_list
index 41059a58784..9d19e741f06 100644
--- a/contrib/libs/cxxsupp/libcxx/include/forward_list
+++ b/contrib/libs/cxxsupp/libcxx/include/forward_list
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------- forward_list ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/fstream b/contrib/libs/cxxsupp/libcxx/include/fstream
index d5a9aca37d4..86ced74da91 100644
--- a/contrib/libs/cxxsupp/libcxx/include/fstream
+++ b/contrib/libs/cxxsupp/libcxx/include/fstream
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------- fstream ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/future b/contrib/libs/cxxsupp/libcxx/include/future
index 89acdba62bf..99df8831a77 100644
--- a/contrib/libs/cxxsupp/libcxx/include/future
+++ b/contrib/libs/cxxsupp/libcxx/include/future
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- future -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/initializer_list b/contrib/libs/cxxsupp/libcxx/include/initializer_list
index 89502392ab5..ae8b2c5bd5a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/initializer_list
+++ b/contrib/libs/cxxsupp/libcxx/include/initializer_list
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------- initializer_list -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/inttypes.h b/contrib/libs/cxxsupp/libcxx/include/inttypes.h
index 6f8021263ea..0ca5c9eba1d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/inttypes.h
+++ b/contrib/libs/cxxsupp/libcxx/include/inttypes.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- inttypes.h -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/iomanip b/contrib/libs/cxxsupp/libcxx/include/iomanip
index 47d573b5fc8..ba434b983b1 100644
--- a/contrib/libs/cxxsupp/libcxx/include/iomanip
+++ b/contrib/libs/cxxsupp/libcxx/include/iomanip
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- iomanip ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ios b/contrib/libs/cxxsupp/libcxx/include/ios
index c9230d6a948..b7d32946bff 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ios
+++ b/contrib/libs/cxxsupp/libcxx/include/ios
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- ios -------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/iosfwd b/contrib/libs/cxxsupp/libcxx/include/iosfwd
index 477dd97260f..9d87f686b5a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/iosfwd
+++ b/contrib/libs/cxxsupp/libcxx/include/iosfwd
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- iosfwd -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/iostream b/contrib/libs/cxxsupp/libcxx/include/iostream
index be32183e3a8..e28a0a5ec23 100644
--- a/contrib/libs/cxxsupp/libcxx/include/iostream
+++ b/contrib/libs/cxxsupp/libcxx/include/iostream
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- iostream ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/istream b/contrib/libs/cxxsupp/libcxx/include/istream
index 6fb296f820f..2f39e35f464 100644
--- a/contrib/libs/cxxsupp/libcxx/include/istream
+++ b/contrib/libs/cxxsupp/libcxx/include/istream
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- istream ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/iterator b/contrib/libs/cxxsupp/libcxx/include/iterator
index 1f34d250f5a..4dd9902d79a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/iterator
+++ b/contrib/libs/cxxsupp/libcxx/include/iterator
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- iterator ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/latch b/contrib/libs/cxxsupp/libcxx/include/latch
index 10ae5721fbe..e65825991b5 100644
--- a/contrib/libs/cxxsupp/libcxx/include/latch
+++ b/contrib/libs/cxxsupp/libcxx/include/latch
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- latch -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/limits b/contrib/libs/cxxsupp/libcxx/include/limits
index a6d51785249..245c84eea88 100644
--- a/contrib/libs/cxxsupp/libcxx/include/limits
+++ b/contrib/libs/cxxsupp/libcxx/include/limits
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- limits ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/limits.h b/contrib/libs/cxxsupp/libcxx/include/limits.h
index ebbfa6aa168..b79a2b3f273 100644
--- a/contrib/libs/cxxsupp/libcxx/include/limits.h
+++ b/contrib/libs/cxxsupp/libcxx/include/limits.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- limits.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/list b/contrib/libs/cxxsupp/libcxx/include/list
index 54bc5902f82..0b615a09aec 100644
--- a/contrib/libs/cxxsupp/libcxx/include/list
+++ b/contrib/libs/cxxsupp/libcxx/include/list
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- list ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/locale b/contrib/libs/cxxsupp/libcxx/include/locale
index 549b0af25bf..91749f768a2 100644
--- a/contrib/libs/cxxsupp/libcxx/include/locale
+++ b/contrib/libs/cxxsupp/libcxx/include/locale
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- locale ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/locale.h b/contrib/libs/cxxsupp/libcxx/include/locale.h
index 52c452001d3..aa3942c9b49 100644
--- a/contrib/libs/cxxsupp/libcxx/include/locale.h
+++ b/contrib/libs/cxxsupp/libcxx/include/locale.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- locale.h --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/map b/contrib/libs/cxxsupp/libcxx/include/map
index 7f060d0a897..f319fad8fe6 100644
--- a/contrib/libs/cxxsupp/libcxx/include/map
+++ b/contrib/libs/cxxsupp/libcxx/include/map
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------------- map ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/math.h b/contrib/libs/cxxsupp/libcxx/include/math.h
index 9ab54031df5..246c3aa1e1f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/math.h
+++ b/contrib/libs/cxxsupp/libcxx/include/math.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- math.h ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/memory b/contrib/libs/cxxsupp/libcxx/include/memory
index 7f6665e846d..e0894621358 100644
--- a/contrib/libs/cxxsupp/libcxx/include/memory
+++ b/contrib/libs/cxxsupp/libcxx/include/memory
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- memory ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/module.modulemap b/contrib/libs/cxxsupp/libcxx/include/module.modulemap
index b159d58b7b9..f34442ed5c9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/module.modulemap
+++ b/contrib/libs/cxxsupp/libcxx/include/module.modulemap
@@ -799,6 +799,10 @@ module std [system] {
   module thread {
     header "thread"
     export *
+
+    module __thread {
+      module poll_with_backoff { private header "__thread/poll_with_backoff.h" }
+    }
   }
   module tuple {
     header "tuple"
diff --git a/contrib/libs/cxxsupp/libcxx/include/mutex b/contrib/libs/cxxsupp/libcxx/include/mutex
index c96d7b14a80..7e5dc94482e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/mutex
+++ b/contrib/libs/cxxsupp/libcxx/include/mutex
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- mutex ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/new b/contrib/libs/cxxsupp/libcxx/include/new
index 711b3ccd225..593af9d5c61 100644
--- a/contrib/libs/cxxsupp/libcxx/include/new
+++ b/contrib/libs/cxxsupp/libcxx/include/new
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===----------------------------- new ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/numbers b/contrib/libs/cxxsupp/libcxx/include/numbers
index ced55e0eadf..dffb81062da 100644
--- a/contrib/libs/cxxsupp/libcxx/include/numbers
+++ b/contrib/libs/cxxsupp/libcxx/include/numbers
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- numbers ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/numeric b/contrib/libs/cxxsupp/libcxx/include/numeric
index 8ea7ecc3753..12fefa9e5c5 100644
--- a/contrib/libs/cxxsupp/libcxx/include/numeric
+++ b/contrib/libs/cxxsupp/libcxx/include/numeric
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- numeric ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/optional b/contrib/libs/cxxsupp/libcxx/include/optional
index 0f6d2330511..998ae319219 100644
--- a/contrib/libs/cxxsupp/libcxx/include/optional
+++ b/contrib/libs/cxxsupp/libcxx/include/optional
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- optional ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ostream b/contrib/libs/cxxsupp/libcxx/include/ostream
index 1b3dd547996..98f36ea7acc 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ostream
+++ b/contrib/libs/cxxsupp/libcxx/include/ostream
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- ostream -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/queue b/contrib/libs/cxxsupp/libcxx/include/queue
index 2c5fa3237f5..03081eb844b 100644
--- a/contrib/libs/cxxsupp/libcxx/include/queue
+++ b/contrib/libs/cxxsupp/libcxx/include/queue
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- queue ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/random b/contrib/libs/cxxsupp/libcxx/include/random
index 13202508970..afe96902321 100644
--- a/contrib/libs/cxxsupp/libcxx/include/random
+++ b/contrib/libs/cxxsupp/libcxx/include/random
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- random -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ranges b/contrib/libs/cxxsupp/libcxx/include/ranges
index 58bdbf39190..8a99ee64cfc 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ranges
+++ b/contrib/libs/cxxsupp/libcxx/include/ranges
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- ranges -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/ratio b/contrib/libs/cxxsupp/libcxx/include/ratio
index 16d3b2b831e..16b45a28ed8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ratio
+++ b/contrib/libs/cxxsupp/libcxx/include/ratio
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- ratio -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/regex b/contrib/libs/cxxsupp/libcxx/include/regex
index c0d1edac5ef..815ff7d3862 100644
--- a/contrib/libs/cxxsupp/libcxx/include/regex
+++ b/contrib/libs/cxxsupp/libcxx/include/regex
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- regex ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/scoped_allocator b/contrib/libs/cxxsupp/libcxx/include/scoped_allocator
index 5c2aeb7cf71..2b15655e2c0 100644
--- a/contrib/libs/cxxsupp/libcxx/include/scoped_allocator
+++ b/contrib/libs/cxxsupp/libcxx/include/scoped_allocator
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- scoped_allocator --------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/semaphore b/contrib/libs/cxxsupp/libcxx/include/semaphore
index db03fb967ed..2c2518bce46 100644
--- a/contrib/libs/cxxsupp/libcxx/include/semaphore
+++ b/contrib/libs/cxxsupp/libcxx/include/semaphore
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- semaphore --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/set b/contrib/libs/cxxsupp/libcxx/include/set
index 1718a644d49..295f821e539 100644
--- a/contrib/libs/cxxsupp/libcxx/include/set
+++ b/contrib/libs/cxxsupp/libcxx/include/set
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- set -------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/setjmp.h b/contrib/libs/cxxsupp/libcxx/include/setjmp.h
index f31aefb5f82..4d10a2a536d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/setjmp.h
+++ b/contrib/libs/cxxsupp/libcxx/include/setjmp.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- setjmp.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/shared_mutex b/contrib/libs/cxxsupp/libcxx/include/shared_mutex
index 8205c3e0af0..f866443b8e2 100644
--- a/contrib/libs/cxxsupp/libcxx/include/shared_mutex
+++ b/contrib/libs/cxxsupp/libcxx/include/shared_mutex
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ shared_mutex --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/span b/contrib/libs/cxxsupp/libcxx/include/span
index d10cb738057..b04ea1943fa 100644
--- a/contrib/libs/cxxsupp/libcxx/include/span
+++ b/contrib/libs/cxxsupp/libcxx/include/span
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------------ span ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/sstream b/contrib/libs/cxxsupp/libcxx/include/sstream
index fbe5ffcab4c..e63d1434ac7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/sstream
+++ b/contrib/libs/cxxsupp/libcxx/include/sstream
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- sstream ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/stack b/contrib/libs/cxxsupp/libcxx/include/stack
index 436993c6f3c..5d959c33c74 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stack
+++ b/contrib/libs/cxxsupp/libcxx/include/stack
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- stack -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/stdbool.h b/contrib/libs/cxxsupp/libcxx/include/stdbool.h
index 08229b8ed98..00910969ce9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stdbool.h
+++ b/contrib/libs/cxxsupp/libcxx/include/stdbool.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- stdbool.h --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/stddef.h b/contrib/libs/cxxsupp/libcxx/include/stddef.h
index bee1edb40dc..3ae0681b65d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stddef.h
+++ b/contrib/libs/cxxsupp/libcxx/include/stddef.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- stddef.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/stdexcept b/contrib/libs/cxxsupp/libcxx/include/stdexcept
index c0470d1e1dd..ddbc6303b62 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stdexcept
+++ b/contrib/libs/cxxsupp/libcxx/include/stdexcept
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- stdexcept --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/stdint.h b/contrib/libs/cxxsupp/libcxx/include/stdint.h
index 73f57000eb6..6d048a2029c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stdint.h
+++ b/contrib/libs/cxxsupp/libcxx/include/stdint.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- stdint.h --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/stdio.h b/contrib/libs/cxxsupp/libcxx/include/stdio.h
index 9d4ea634a55..7b29df3ce05 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stdio.h
+++ b/contrib/libs/cxxsupp/libcxx/include/stdio.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- stdio.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/stdlib.h b/contrib/libs/cxxsupp/libcxx/include/stdlib.h
index 45da948184f..7f4525d4892 100644
--- a/contrib/libs/cxxsupp/libcxx/include/stdlib.h
+++ b/contrib/libs/cxxsupp/libcxx/include/stdlib.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- stdlib.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/streambuf b/contrib/libs/cxxsupp/libcxx/include/streambuf
index 385d4869458..db3078d809a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/streambuf
+++ b/contrib/libs/cxxsupp/libcxx/include/streambuf
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------- streambuf ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/string b/contrib/libs/cxxsupp/libcxx/include/string
index 235e4e6dc9d..e5d7541449e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/string
+++ b/contrib/libs/cxxsupp/libcxx/include/string
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- string -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/string.h b/contrib/libs/cxxsupp/libcxx/include/string.h
index e12f5895b8b..edf92fbbb6f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/string.h
+++ b/contrib/libs/cxxsupp/libcxx/include/string.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- string.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/string_view b/contrib/libs/cxxsupp/libcxx/include/string_view
index 8df3ff297c5..71fea01816e 100644
--- a/contrib/libs/cxxsupp/libcxx/include/string_view
+++ b/contrib/libs/cxxsupp/libcxx/include/string_view
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ string_view ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/strstream b/contrib/libs/cxxsupp/libcxx/include/strstream
index ca837aef670..a5f17a9dc31 100644
--- a/contrib/libs/cxxsupp/libcxx/include/strstream
+++ b/contrib/libs/cxxsupp/libcxx/include/strstream
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- strstream --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/system_error b/contrib/libs/cxxsupp/libcxx/include/system_error
index 365f024ca6d..ed487d144b9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/system_error
+++ b/contrib/libs/cxxsupp/libcxx/include/system_error
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===---------------------------- system_error ----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/tgmath.h b/contrib/libs/cxxsupp/libcxx/include/tgmath.h
index ba9396e6abb..412bde1d5ea 100644
--- a/contrib/libs/cxxsupp/libcxx/include/tgmath.h
+++ b/contrib/libs/cxxsupp/libcxx/include/tgmath.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- tgmath.h ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/thread b/contrib/libs/cxxsupp/libcxx/include/thread
index 9b591976acc..a51a11c0d3c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/thread
+++ b/contrib/libs/cxxsupp/libcxx/include/thread
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- thread -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -86,6 +86,7 @@ void sleep_for(const chrono::duration<Rep, Period>& rel_time);
 #include <__debug>
 #include <__functional_base>
 #include <__mutex_base>
+#include <__thread/poll_with_backoff.h>
 #include <__threading_support>
 #include <__utility/decay_copy.h>
 #include <__utility/forward.h>
diff --git a/contrib/libs/cxxsupp/libcxx/include/tuple b/contrib/libs/cxxsupp/libcxx/include/tuple
index be57f984dd6..88188d74426 100644
--- a/contrib/libs/cxxsupp/libcxx/include/tuple
+++ b/contrib/libs/cxxsupp/libcxx/include/tuple
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- tuple ------------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -1323,7 +1323,7 @@ operator==(const tuple<_Tp...>& __x, const tuple<_Up...>& __y)
     return __tuple_equal<sizeof...(_Tp)>()(__x, __y);
 }
 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 // operator<=>
 
@@ -1345,7 +1345,7 @@ operator<=>(const tuple<_Tp...>& __x, const tuple<_Up...>& __y)
     return _VSTD::__tuple_compare_three_way(__x, __y, index_sequence_for<_Tp...>{});
 }
 
-#else // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#else // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 template <class ..._Tp, class ..._Up>
 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
@@ -1415,7 +1415,7 @@ operator<=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y)
     return !(__y < __x);
 }
 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_SPACESHIP_OPERATOR) && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
 
 // tuple_cat
 
diff --git a/contrib/libs/cxxsupp/libcxx/include/type_traits b/contrib/libs/cxxsupp/libcxx/include/type_traits
index add71a380f2..9c8571c5f7c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/type_traits
+++ b/contrib/libs/cxxsupp/libcxx/include/type_traits
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------ type_traits ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/typeindex b/contrib/libs/cxxsupp/libcxx/include/typeindex
index 88bb9ef03d6..790aea4d476 100644
--- a/contrib/libs/cxxsupp/libcxx/include/typeindex
+++ b/contrib/libs/cxxsupp/libcxx/include/typeindex
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- typeindex ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/typeinfo b/contrib/libs/cxxsupp/libcxx/include/typeinfo
index 80c938646b0..f62e03e0f62 100644
--- a/contrib/libs/cxxsupp/libcxx/include/typeinfo
+++ b/contrib/libs/cxxsupp/libcxx/include/typeinfo
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- typeinfo ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/unordered_map b/contrib/libs/cxxsupp/libcxx/include/unordered_map
index c6d4137b210..53ddb95663d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/unordered_map
+++ b/contrib/libs/cxxsupp/libcxx/include/unordered_map
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- unordered_map -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/unordered_set b/contrib/libs/cxxsupp/libcxx/include/unordered_set
index 33b54d957ff..1b62e31bb91 100644
--- a/contrib/libs/cxxsupp/libcxx/include/unordered_set
+++ b/contrib/libs/cxxsupp/libcxx/include/unordered_set
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- unordered_set -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/utility b/contrib/libs/cxxsupp/libcxx/include/utility
index f8b954fc454..2b3c4dfa3f0 100644
--- a/contrib/libs/cxxsupp/libcxx/include/utility
+++ b/contrib/libs/cxxsupp/libcxx/include/utility
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- utility -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/valarray b/contrib/libs/cxxsupp/libcxx/include/valarray
index 2e895d59fd6..79587f44cc4 100644
--- a/contrib/libs/cxxsupp/libcxx/include/valarray
+++ b/contrib/libs/cxxsupp/libcxx/include/valarray
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------------------------- valarray ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/variant b/contrib/libs/cxxsupp/libcxx/include/variant
index 972c18a8113..83ecac04510 100644
--- a/contrib/libs/cxxsupp/libcxx/include/variant
+++ b/contrib/libs/cxxsupp/libcxx/include/variant
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------------ variant -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/vector b/contrib/libs/cxxsupp/libcxx/include/vector
index 12f45517590..5efd72c4766 100644
--- a/contrib/libs/cxxsupp/libcxx/include/vector
+++ b/contrib/libs/cxxsupp/libcxx/include/vector
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===------------------------------ vector --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/version b/contrib/libs/cxxsupp/libcxx/include/version
index 1a17b954563..738f9b9e9e9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/version
+++ b/contrib/libs/cxxsupp/libcxx/include/version
@@ -149,7 +149,7 @@ __cpp_lib_syncbuf                                       201803L <syncstream>
 __cpp_lib_three_way_comparison                          201907L <compare>
 __cpp_lib_to_address                                    201711L <memory>
 __cpp_lib_to_array                                      201907L <array>
-__cpp_lib_to_chars                                      201611L <utility>
+__cpp_lib_to_chars                                      201611L <charconv>
 __cpp_lib_to_underlying                                 202102L <utility>
 __cpp_lib_transformation_trait_aliases                  201304L <type_traits>
 __cpp_lib_transparent_operators                         201510L <functional> <memory>
@@ -209,9 +209,7 @@ __cpp_lib_void_t                                        201411L <type_traits>
 #   define __cpp_lib_array_constexpr                    201603L
 # endif
 # define __cpp_lib_as_const                             201510L
-# if !defined(_LIBCPP_HAS_NO_THREADS)
-#   define __cpp_lib_atomic_is_always_lock_free         201603L
-# endif
+# define __cpp_lib_atomic_is_always_lock_free           201603L
 # define __cpp_lib_bool_constant                        201505L
 // # define __cpp_lib_boyer_moore_searcher                 201603L
 # define __cpp_lib_byte                                 201603L
@@ -269,25 +267,13 @@ __cpp_lib_void_t                                        201411L <type_traits>
 # undef  __cpp_lib_array_constexpr
 # define __cpp_lib_array_constexpr                      201811L
 // # define __cpp_lib_assume_aligned                       201811L
-# if !defined(_LIBCPP_HAS_NO_THREADS)
-#   define __cpp_lib_atomic_flag_test                   201907L
-# endif
-# if !defined(_LIBCPP_HAS_NO_THREADS)
-// #   define __cpp_lib_atomic_float                       201711L
-# endif
-# if !defined(_LIBCPP_HAS_NO_THREADS)
-#   define __cpp_lib_atomic_lock_free_type_aliases      201907L
-# endif
-# if !defined(_LIBCPP_HAS_NO_THREADS)
-// #   define __cpp_lib_atomic_ref                         201806L
-# endif
-# if !defined(_LIBCPP_HAS_NO_THREADS)
-// #   define __cpp_lib_atomic_shared_ptr                  201711L
-# endif
-# if !defined(_LIBCPP_HAS_NO_THREADS)
-#   define __cpp_lib_atomic_value_initialization        201911L
-# endif
-# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_atomic_wait)
+# define __cpp_lib_atomic_flag_test                     201907L
+// # define __cpp_lib_atomic_float                         201711L
+# define __cpp_lib_atomic_lock_free_type_aliases        201907L
+// # define __cpp_lib_atomic_ref                           201806L
+// # define __cpp_lib_atomic_shared_ptr                    201711L
+# define __cpp_lib_atomic_value_initialization          201911L
+# if !defined(_LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_atomic_wait)
 #   define __cpp_lib_atomic_wait                        201907L
 # endif
 # if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_DISABLE_FTM___cpp_lib_barrier)
diff --git a/contrib/libs/cxxsupp/libcxx/include/wchar.h b/contrib/libs/cxxsupp/libcxx/include/wchar.h
index 10d88dada67..c729b5d1a06 100644
--- a/contrib/libs/cxxsupp/libcxx/include/wchar.h
+++ b/contrib/libs/cxxsupp/libcxx/include/wchar.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- wchar.h ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/include/wctype.h b/contrib/libs/cxxsupp/libcxx/include/wctype.h
index e6f813b8b13..21fe50f037a 100644
--- a/contrib/libs/cxxsupp/libcxx/include/wctype.h
+++ b/contrib/libs/cxxsupp/libcxx/include/wctype.h
@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===--------------------------- wctype.h ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/algorithm.cpp b/contrib/libs/cxxsupp/libcxx/src/algorithm.cpp
index 16221f4b751..4cc7c2725aa 100644
--- a/contrib/libs/cxxsupp/libcxx/src/algorithm.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/algorithm.cpp
@@ -1,4 +1,4 @@
-//===----------------------- algorithm.cpp --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/any.cpp b/contrib/libs/cxxsupp/libcxx/src/any.cpp
index 415d23b0c94..2939fe29969 100644
--- a/contrib/libs/cxxsupp/libcxx/src/any.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/any.cpp
@@ -1,4 +1,4 @@
-//===---------------------------- any.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/atomic.cpp b/contrib/libs/cxxsupp/libcxx/src/atomic.cpp
index 9ae1fb5199b..9b61a16106c 100644
--- a/contrib/libs/cxxsupp/libcxx/src/atomic.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/atomic.cpp
@@ -1,4 +1,4 @@
-//===------------------------- atomic.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/barrier.cpp b/contrib/libs/cxxsupp/libcxx/src/barrier.cpp
index 9ee476993b8..0f9dad987fa 100644
--- a/contrib/libs/cxxsupp/libcxx/src/barrier.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/barrier.cpp
@@ -1,4 +1,4 @@
-//===------------------------- barrier.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/bind.cpp b/contrib/libs/cxxsupp/libcxx/src/bind.cpp
index 53efdf9df37..a54df2c0dd7 100644
--- a/contrib/libs/cxxsupp/libcxx/src/bind.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/bind.cpp
@@ -1,4 +1,4 @@
-//===-------------------------- bind.cpp ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/charconv.cpp b/contrib/libs/cxxsupp/libcxx/src/charconv.cpp
index 78439f96831..533e59b04d6 100644
--- a/contrib/libs/cxxsupp/libcxx/src/charconv.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/charconv.cpp
@@ -1,4 +1,4 @@
-//===------------------------- charconv.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/chrono.cpp b/contrib/libs/cxxsupp/libcxx/src/chrono.cpp
index b18e4f7cb9b..b16bf972413 100644
--- a/contrib/libs/cxxsupp/libcxx/src/chrono.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/chrono.cpp
@@ -1,4 +1,4 @@
-//===------------------------- chrono.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/condition_variable.cpp b/contrib/libs/cxxsupp/libcxx/src/condition_variable.cpp
index 1e29083e6e1..0ade56b4843 100644
--- a/contrib/libs/cxxsupp/libcxx/src/condition_variable.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/condition_variable.cpp
@@ -1,4 +1,4 @@
-//===-------------------- condition_variable.cpp --------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/condition_variable_destructor.cpp b/contrib/libs/cxxsupp/libcxx/src/condition_variable_destructor.cpp
index 44fa240ba78..350e6b77f24 100644
--- a/contrib/libs/cxxsupp/libcxx/src/condition_variable_destructor.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/condition_variable_destructor.cpp
@@ -1,4 +1,4 @@
-//===---------------- condition_variable_destructor.cpp ------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/debug.cpp b/contrib/libs/cxxsupp/libcxx/src/debug.cpp
index dd5963fcce1..ae31c91d154 100644
--- a/contrib/libs/cxxsupp/libcxx/src/debug.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/debug.cpp
@@ -1,4 +1,4 @@
-//===-------------------------- debug.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/exception.cpp b/contrib/libs/cxxsupp/libcxx/src/exception.cpp
index cc732883778..d5e6a4a76ff 100644
--- a/contrib/libs/cxxsupp/libcxx/src/exception.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/exception.cpp
@@ -1,4 +1,4 @@
-//===------------------------ exception.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/experimental/memory_resource.cpp b/contrib/libs/cxxsupp/libcxx/src/experimental/memory_resource.cpp
index 5f9d3b8a4cb..be2fb47fad1 100644
--- a/contrib/libs/cxxsupp/libcxx/src/experimental/memory_resource.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/experimental/memory_resource.cpp
@@ -1,4 +1,4 @@
-//===------------------------ memory_resource.cpp -------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/filesystem/directory_iterator.cpp b/contrib/libs/cxxsupp/libcxx/src/filesystem/directory_iterator.cpp
index a098dd163b9..ea32a2d2bd5 100644
--- a/contrib/libs/cxxsupp/libcxx/src/filesystem/directory_iterator.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/filesystem/directory_iterator.cpp
@@ -1,4 +1,4 @@
-//===------------------ directory_iterator.cpp ----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/filesystem/operations.cpp b/contrib/libs/cxxsupp/libcxx/src/filesystem/operations.cpp
index 63593be223e..d69fff11a03 100644
--- a/contrib/libs/cxxsupp/libcxx/src/filesystem/operations.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/filesystem/operations.cpp
@@ -1,4 +1,4 @@
-//===--------------------- filesystem/ops.cpp -----------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/format.cpp b/contrib/libs/cxxsupp/libcxx/src/format.cpp
index c36c20e60a9..7ae2af59b7f 100644
--- a/contrib/libs/cxxsupp/libcxx/src/format.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/format.cpp
@@ -1,4 +1,4 @@
-//===------------------------- format.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/functional.cpp b/contrib/libs/cxxsupp/libcxx/src/functional.cpp
index fbc620058bc..d8cfaa70337 100644
--- a/contrib/libs/cxxsupp/libcxx/src/functional.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/functional.cpp
@@ -1,4 +1,4 @@
-//===----------------------- functional.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/future.cpp b/contrib/libs/cxxsupp/libcxx/src/future.cpp
index 4c59f89e56a..177fe7523eb 100644
--- a/contrib/libs/cxxsupp/libcxx/src/future.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/future.cpp
@@ -1,4 +1,4 @@
-//===------------------------- future.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/hash.cpp b/contrib/libs/cxxsupp/libcxx/src/hash.cpp
index 89bb736c86c..b8e921ad067 100644
--- a/contrib/libs/cxxsupp/libcxx/src/hash.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/hash.cpp
@@ -1,4 +1,4 @@
-//===-------------------------- hash.cpp ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/include/apple_availability.h b/contrib/libs/cxxsupp/libcxx/src/include/apple_availability.h
index 0f999d3feaf..504700ebd0a 100644
--- a/contrib/libs/cxxsupp/libcxx/src/include/apple_availability.h
+++ b/contrib/libs/cxxsupp/libcxx/src/include/apple_availability.h
@@ -1,4 +1,4 @@
-//===------------------------ apple_availability.h ------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/include/config_elast.h b/contrib/libs/cxxsupp/libcxx/src/include/config_elast.h
index 7880c733fb8..0ed53a3b20d 100644
--- a/contrib/libs/cxxsupp/libcxx/src/include/config_elast.h
+++ b/contrib/libs/cxxsupp/libcxx/src/include/config_elast.h
@@ -1,4 +1,4 @@
-//===----------------------- config_elast.h -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/include/refstring.h b/contrib/libs/cxxsupp/libcxx/src/include/refstring.h
index 3edd240a5d6..6a0ebda6a22 100644
--- a/contrib/libs/cxxsupp/libcxx/src/include/refstring.h
+++ b/contrib/libs/cxxsupp/libcxx/src/include/refstring.h
@@ -1,4 +1,4 @@
-//===------------------------ __refstring ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/ios.cpp b/contrib/libs/cxxsupp/libcxx/src/ios.cpp
index a8a99015a97..a9bd1dc3239 100644
--- a/contrib/libs/cxxsupp/libcxx/src/ios.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/ios.cpp
@@ -1,4 +1,4 @@
-//===-------------------------- ios.cpp -----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/iostream.cpp b/contrib/libs/cxxsupp/libcxx/src/iostream.cpp
index 5c1f5ed9eed..296b5c3f2c4 100644
--- a/contrib/libs/cxxsupp/libcxx/src/iostream.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/iostream.cpp
@@ -1,4 +1,4 @@
-//===------------------------ iostream.cpp --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/locale.cpp b/contrib/libs/cxxsupp/libcxx/src/locale.cpp
index ec8a811262d..35dc4a831d5 100644
--- a/contrib/libs/cxxsupp/libcxx/src/locale.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/locale.cpp
@@ -1,4 +1,4 @@
-//===------------------------- locale.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -982,6 +982,8 @@ ctype<wchar_t>::do_narrow(const char_type* low, const char_type* high, char dfau
 
 locale::id ctype<char>::id;
 
+const size_t ctype<char>::table_size;
+
 ctype<char>::ctype(const mask* tab, bool del, size_t refs)
     : locale::facet(refs),
       __tab_(tab),
diff --git a/contrib/libs/cxxsupp/libcxx/src/memory.cpp b/contrib/libs/cxxsupp/libcxx/src/memory.cpp
index 29b3c1da76e..78082e18d0d 100644
--- a/contrib/libs/cxxsupp/libcxx/src/memory.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/memory.cpp
@@ -1,4 +1,4 @@
-//===------------------------ memory.cpp ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -8,11 +8,11 @@
 
 #include "memory"
 #ifndef _LIBCPP_HAS_NO_THREADS
-#include "mutex"
-#include "thread"
-#if defined(__ELF__) && defined(_LIBCPP_LINK_PTHREAD_LIB)
-#pragma comment(lib, "pthread")
-#endif
+#   include "mutex"
+#   include "thread"
+#   if defined(__ELF__) && defined(_LIBCPP_LINK_PTHREAD_LIB)
+#       pragma comment(lib, "pthread")
+#   endif
 #endif
 #if !defined(_LIBCPP_HAS_NO_THREADS)
 #include <atomic>
@@ -162,7 +162,7 @@ __shared_weak_count::__get_deleter(const type_info&) const noexcept
     return nullptr;
 }
 
-#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
+#if !defined(_LIBCPP_HAS_NO_THREADS)
 
 _LIBCPP_SAFE_STATIC static const std::size_t __sp_mut_count = 16;
 _LIBCPP_SAFE_STATIC static __libcpp_mutex_t mut_back[__sp_mut_count] =
@@ -213,7 +213,7 @@ __get_sp_mut(const void* p)
     return muts[hash<const void*>()(p) & (__sp_mut_count-1)];
 }
 
-#endif // !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
+#endif // !defined(_LIBCPP_HAS_NO_THREADS)
 
 void*
 align(size_t alignment, size_t size, void*& ptr, size_t& space)
diff --git a/contrib/libs/cxxsupp/libcxx/src/mutex.cpp b/contrib/libs/cxxsupp/libcxx/src/mutex.cpp
index 124d59bc647..b9028e64bbc 100644
--- a/contrib/libs/cxxsupp/libcxx/src/mutex.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/mutex.cpp
@@ -1,4 +1,4 @@
-//===------------------------- mutex.cpp ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/mutex_destructor.cpp b/contrib/libs/cxxsupp/libcxx/src/mutex_destructor.cpp
index 07197c3fb4c..e8b1e42dd54 100644
--- a/contrib/libs/cxxsupp/libcxx/src/mutex_destructor.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/mutex_destructor.cpp
@@ -1,4 +1,4 @@
-//===--------------------- mutex_destructor.cpp ---------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/new.cpp b/contrib/libs/cxxsupp/libcxx/src/new.cpp
index 85afe3039e5..4f19000b531 100644
--- a/contrib/libs/cxxsupp/libcxx/src/new.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/new.cpp
@@ -1,4 +1,4 @@
-//===--------------------------- new.cpp ----------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/optional.cpp b/contrib/libs/cxxsupp/libcxx/src/optional.cpp
index 39405bec12a..251ebe2e682 100644
--- a/contrib/libs/cxxsupp/libcxx/src/optional.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/optional.cpp
@@ -1,4 +1,4 @@
-//===------------------------ optional.cpp --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/random.cpp b/contrib/libs/cxxsupp/libcxx/src/random.cpp
index d9833b09004..83b98c68f45 100644
--- a/contrib/libs/cxxsupp/libcxx/src/random.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/random.cpp
@@ -1,4 +1,4 @@
-//===-------------------------- random.cpp --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/random_shuffle.cpp b/contrib/libs/cxxsupp/libcxx/src/random_shuffle.cpp
index be2c47fa0de..df9b7d53c84 100644
--- a/contrib/libs/cxxsupp/libcxx/src/random_shuffle.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/random_shuffle.cpp
@@ -1,4 +1,4 @@
-//===----------------------- random_shuffle.cpp ---------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/regex.cpp b/contrib/libs/cxxsupp/libcxx/src/regex.cpp
index d31e4948743..425339a5c9b 100644
--- a/contrib/libs/cxxsupp/libcxx/src/regex.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/regex.cpp
@@ -1,4 +1,4 @@
-//===-------------------------- regex.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/shared_mutex.cpp b/contrib/libs/cxxsupp/libcxx/src/shared_mutex.cpp
index 5feef9f4889..6a5a738a676 100644
--- a/contrib/libs/cxxsupp/libcxx/src/shared_mutex.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/shared_mutex.cpp
@@ -1,4 +1,4 @@
-//===---------------------- shared_mutex.cpp ------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/stdexcept.cpp b/contrib/libs/cxxsupp/libcxx/src/stdexcept.cpp
index f8f335f34ae..b9c89703f3e 100644
--- a/contrib/libs/cxxsupp/libcxx/src/stdexcept.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/stdexcept.cpp
@@ -1,4 +1,4 @@
-//===------------------------ stdexcept.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/string.cpp b/contrib/libs/cxxsupp/libcxx/src/string.cpp
index c8dae342726..608dcb2c586 100644
--- a/contrib/libs/cxxsupp/libcxx/src/string.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/string.cpp
@@ -1,4 +1,4 @@
-//===------------------------- string.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/strstream.cpp b/contrib/libs/cxxsupp/libcxx/src/strstream.cpp
index ae66806833a..e62c07768bd 100644
--- a/contrib/libs/cxxsupp/libcxx/src/strstream.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/strstream.cpp
@@ -1,4 +1,4 @@
-//===------------------------ strstream.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/support/ibm/mbsnrtowcs.cpp b/contrib/libs/cxxsupp/libcxx/src/support/ibm/mbsnrtowcs.cpp
index 125bdbea1c5..d7220fb46d8 100644
--- a/contrib/libs/cxxsupp/libcxx/src/support/ibm/mbsnrtowcs.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/support/ibm/mbsnrtowcs.cpp
@@ -1,4 +1,4 @@
-//===----------------------- mbsnrtowcs.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/support/ibm/wcsnrtombs.cpp b/contrib/libs/cxxsupp/libcxx/src/support/ibm/wcsnrtombs.cpp
index 01c6241dc54..66395bfdcb2 100644
--- a/contrib/libs/cxxsupp/libcxx/src/support/ibm/wcsnrtombs.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/support/ibm/wcsnrtombs.cpp
@@ -1,4 +1,4 @@
-//===----------------------- wcsnrtombs.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_default.ipp b/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_default.ipp
index 5d22b7894c3..d0218bfbc61 100644
--- a/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_default.ipp
+++ b/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_default.ipp
@@ -1,4 +1,4 @@
-//===--------------------- stdexcept_default.ipp --------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_vcruntime.ipp b/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_vcruntime.ipp
index 94eed465ae9..8a6d939cb09 100644
--- a/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_vcruntime.ipp
+++ b/contrib/libs/cxxsupp/libcxx/src/support/runtime/stdexcept_vcruntime.ipp
@@ -1,4 +1,4 @@
-//===------------------- stdexcept_vcruntime.ipp --------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/system_error.cpp b/contrib/libs/cxxsupp/libcxx/src/system_error.cpp
index a1ea6c4754e..82472cbc84b 100644
--- a/contrib/libs/cxxsupp/libcxx/src/system_error.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/system_error.cpp
@@ -1,4 +1,4 @@
-//===---------------------- system_error.cpp ------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/typeinfo.cpp b/contrib/libs/cxxsupp/libcxx/src/typeinfo.cpp
index baace5643c6..3534c66331d 100644
--- a/contrib/libs/cxxsupp/libcxx/src/typeinfo.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/typeinfo.cpp
@@ -1,4 +1,4 @@
-//===------------------------- typeinfo.cpp -------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/utility.cpp b/contrib/libs/cxxsupp/libcxx/src/utility.cpp
index 6a690dc2879..6d2cc4accee 100644
--- a/contrib/libs/cxxsupp/libcxx/src/utility.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/utility.cpp
@@ -1,4 +1,4 @@
-//===------------------------ utility.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/valarray.cpp b/contrib/libs/cxxsupp/libcxx/src/valarray.cpp
index 64d26583c74..5a3a869181c 100644
--- a/contrib/libs/cxxsupp/libcxx/src/valarray.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/valarray.cpp
@@ -1,4 +1,4 @@
-//===------------------------ valarray.cpp --------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/variant.cpp b/contrib/libs/cxxsupp/libcxx/src/variant.cpp
index 1fe70a1809c..d38d3a799d3 100644
--- a/contrib/libs/cxxsupp/libcxx/src/variant.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/variant.cpp
@@ -1,4 +1,4 @@
-//===------------------------ variant.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
diff --git a/contrib/libs/cxxsupp/libcxx/src/vector.cpp b/contrib/libs/cxxsupp/libcxx/src/vector.cpp
index 0570ede733c..cc3d291e350 100644
--- a/contrib/libs/cxxsupp/libcxx/src/vector.cpp
+++ b/contrib/libs/cxxsupp/libcxx/src/vector.cpp
@@ -1,4 +1,4 @@
-//===------------------------- vector.cpp ---------------------------------===//
+//===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
author	arcadia-devtools <arcadia-devtools@yandex-team.ru>	2022-03-01 14:07:11 +0300
committer	arcadia-devtools <arcadia-devtools@yandex-team.ru>	2022-03-01 14:07:11 +0300
commit	2ec7758a9f5564266f5736c249c02d15d8316246 (patch)
tree	5fa4cc3fb88d1a1aca0cb65d7e0eb0c710f358ce
parent	6e8c5376d75151b514477715c1b9505d017b83eb (diff)
download	ydb-2ec7758a9f5564266f5736c249c02d15d8316246.tar.gz