Library import 16 (#2433)

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1 files changed, 4 insertions, 5 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/shift_right.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/shift_right.h
index 14bc761598..70aff45fe5 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/shift_right.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/shift_right.h
@@ -15,7 +15,6 @@
 #include <__config>
 #include <__iterator/iterator_traits.h>
 #include <__utility/swap.h>
-#include <type_traits>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
@@ -23,7 +22,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if _LIBCPP_STD_VER > 17
+#if _LIBCPP_STD_VER >= 20
 
 template <class _ForwardIterator>
 inline _LIBCPP_INLINE_VISIBILITY constexpr
@@ -35,14 +34,14 @@ shift_right(_ForwardIterator __first, _ForwardIterator __last,
         return __first;
     }
 
-    if constexpr (__is_cpp17_random_access_iterator<_ForwardIterator>::value) {
+    if constexpr (__has_random_access_iterator_category<_ForwardIterator>::value) {
         decltype(__n) __d = __last - __first;
         if (__n >= __d) {
             return __last;
         }
         _ForwardIterator __m = __first + (__d - __n);
         return _VSTD::move_backward(__first, __m, __last);
-    } else if constexpr (__is_cpp17_bidirectional_iterator<_ForwardIterator>::value) {
+    } else if constexpr (__has_bidirectional_iterator_category<_ForwardIterator>::value) {
         _ForwardIterator __m = __last;
         for (; __n > 0; --__n) {
             if (__m == __first) {
@@ -95,7 +94,7 @@ shift_right(_ForwardIterator __first, _ForwardIterator __last,
     }
 }
 
-#endif // _LIBCPP_STD_VER > 17
+#endif // _LIBCPP_STD_VER >= 20
 
 _LIBCPP_END_NAMESPACE_STD