[libcxx-commits] [libcxx] [libc++] Reintroduce the removed std::char_traits specialization (PR #66153)

[Louis Dionne via libcxx-commits]

ldionne wrote:

@alexfh You should be able to use `_LIBCPP_CHAR_TRAITS_REMOVE_BASE_SPECIALIZATION` to avoid backsliding.

I'll also be working on an official document to enshrine the process for deprecating and removing stuff. I'll ping the vendors on it.

https://github.com/llvm/llvm-project/pull/66153