Merge pull request #11788 from ydb-platform/mergelibs-241120-1113

Library import 241120-1113

1 files changed, 1 insertions, 40 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/__bit_reference b/contrib/libs/cxxsupp/libcxx/include/__bit_reference
index 107368759c..9032b8f018 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__bit_reference
+++ b/contrib/libs/cxxsupp/libcxx/include/__bit_reference
@@ -171,45 +171,6 @@ private:
   __bit_const_reference& operator=(const __bit_const_reference&) = delete;
 };
 
-// count
-
-template <bool _ToCount, class _Cp, bool _IsConst>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23 typename __bit_iterator<_Cp, _IsConst>::difference_type
-__count_bool(__bit_iterator<_Cp, _IsConst> __first, typename _Cp::size_type __n) {
-  using _It             = __bit_iterator<_Cp, _IsConst>;
-  using __storage_type  = typename _It::__storage_type;
-  using difference_type = typename _It::difference_type;
-
-  const int __bits_per_word = _It::__bits_per_word;
-  difference_type __r       = 0;
-  // do first partial word
-  if (__first.__ctz_ != 0) {
-    __storage_type __clz_f = static_cast<__storage_type>(__bits_per_word - __first.__ctz_);
-    __storage_type __dn    = std::min(__clz_f, __n);
-    __storage_type __m     = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
-    __r                    = std::__libcpp_popcount(std::__invert_if<!_ToCount>(*__first.__seg_) & __m);
-    __n -= __dn;
-    ++__first.__seg_;
-  }
-  // do middle whole words
-  for (; __n >= __bits_per_word; ++__first.__seg_, __n -= __bits_per_word)
-    __r += std::__libcpp_popcount(std::__invert_if<!_ToCount>(*__first.__seg_));
-  // do last partial word
-  if (__n > 0) {
-    __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
-    __r += std::__libcpp_popcount(std::__invert_if<!_ToCount>(*__first.__seg_) & __m);
-  }
-  return __r;
-}
-
-template <class _Cp, bool _IsConst, class _Tp>
-inline _LIBCPP_HIDE_FROM_ABI typename __bit_iterator<_Cp, _IsConst>::difference_type
-count(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last, const _Tp& __value) {
-  if (static_cast<bool>(__value))
-    return std::__count_bool<true>(__first, static_cast<typename _Cp::size_type>(__last - __first));
-  return std::__count_bool<false>(__first, static_cast<typename _Cp::size_type>(__last - __first));
-}
-
 // fill_n
 
 template <bool _FillValue, class _Cp>
@@ -1092,7 +1053,7 @@ private:
   _LIBCPP_CONSTEXPR_SINCE_CXX20 friend __bit_iterator<_Dp, _IC>
       __find_bool(__bit_iterator<_Dp, _IC>, typename _Dp::size_type);
   template <bool _ToCount, class _Dp, bool _IC>
-  friend typename __bit_iterator<_Dp, _IC>::difference_type _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX23
+  friend typename __bit_iterator<_Dp, _IC>::difference_type _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
       __count_bool(__bit_iterator<_Dp, _IC>, typename _Dp::size_type);
 };