[libcxx-commits] [libcxx] [libc++] Fix insertion into `deque` from prvalue ranges (PR #160022)

[A. Jiang via libcxx-commits]

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@@ -1916,6 +1917,12 @@ template <class _Tp, class _Allocator>
 template <class _BiIter>
 _LIBCPP_HIDE_FROM_ABI typename deque<_Tp, _Allocator>::iterator
 deque<_Tp, _Allocator>::__insert_bidirectional(const_iterator __p, _BiIter __f, _BiIter __l, size_type __n) {
+#  if _LIBCPP_STD_VER >= 20
+  using _Ops = _IterOps<
+      conditional_t<__has_bidirectional_iterator_category<_BiIter>::value, _ClassicAlgPolicy, _RangeAlgPolicy>>;
+#  else
+  using _Ops = _IterOps<_ClassicAlgPolicy>;
+#  endif
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frederick-vs-ja wrote:

Changed. Thanks!

https://github.com/llvm/llvm-project/pull/160022