tree b75df65ed8177662a2669f6d049f6651176cec69
parent c5c27d8025561ea9ba09950d0673170e70eca281
author A. Jiang <de34@live.cn> 1729002916 +0800
committer GitHub <noreply@github.com> 1729002916 +0800
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[libc++][test] Fix `overload_compare_iterator::iterator_category` (#112165)

`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.