diff options
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__algorithm/copy_backward.h')
| -rw-r--r-- | contrib/llvm-project/libcxx/include/__algorithm/copy_backward.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/llvm-project/libcxx/include/__algorithm/copy_backward.h b/contrib/llvm-project/libcxx/include/__algorithm/copy_backward.h index 26b8c4d791fd..c5fa64bc8d75 100644 --- a/contrib/llvm-project/libcxx/include/__algorithm/copy_backward.h +++ b/contrib/llvm-project/libcxx/include/__algorithm/copy_backward.h @@ -20,7 +20,6 @@ #include <__ranges/subrange.h> #include <__utility/move.h> #include <__utility/pair.h> -#include <cstring> #include <type_traits> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) @@ -44,9 +43,10 @@ __copy_backward(_InputIterator __first, _InputIterator __last, _OutputIterator _ template <class _AlgPolicy, class _Iter1, class _Sent1, class _Iter2, __enable_if_t<is_same<_AlgPolicy, _RangeAlgPolicy>::value, int> = 0> _LIBCPP_HIDE_FROM_ABI constexpr pair<_Iter1, _Iter2> __copy_backward(_Iter1 __first, _Sent1 __last, _Iter2 __result) { - auto __reverse_range = std::__reverse_range(std::ranges::subrange(std::move(__first), std::move(__last))); + auto __last_iter = _IterOps<_AlgPolicy>::next(__first, std::move(__last)); + auto __reverse_range = std::__reverse_range(std::ranges::subrange(std::move(__first), __last_iter)); auto __ret = ranges::copy(std::move(__reverse_range), std::make_reverse_iterator(__result)); - return std::make_pair(__ret.in.base(), __ret.out.base()); + return std::make_pair(__last_iter, __ret.out.base()); } #endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) |