[libcxx-commits] [libcxx] [libc++] Fix __segmented_iterator_traits for implicit template instantiation in SFINAE (PR #134304)

[Louis Dionne via libcxx-commits]

https://github.com/ldionne requested changes to this pull request.

Based on [this discussion](https://github.com/llvm/llvm-project/pull/135468#discussion_r2089320275), I think this patch is not necessary. Instead, I would avoid instantiating segmented iterator traits on non segmented iterators.

https://github.com/llvm/llvm-project/pull/134304