[libcxx-commits] [libcxx] [libc++] Improve performance of std::midpoint for small types (PR #192804)

[Nikolas Klauser via libcxx-commits]

philnik777 wrote:

Can we instead just get ourselves an extra bit via a `_BitInt` to do the arithmetic and truncate after again?

https://github.com/llvm/llvm-project/pull/192804