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d9c2256c97
`overload_compare_iterator` only supports operations required for forward iterators. On the other hand, it is used for output iterators of uninitialized memory algorithms, which requires it to be forward iterator. As a result, `overload_compare_iterator<I>::iterator_category` should always be `std::forward_iterator_tag` if we don't extend its ability. The correct `iterator_category` can prevent standard library implementations like MSVC STL attempting random access operations on `overload_compare_iterator`. Fixes #74756.