[libcxx-commits] [libcxx] [libc++] Gate _BitInt library extensions behind opt-in macro per P3666R4 (PR #203841)

[Jan Schultke via libcxx-commits]

eisenwave wrote:

Check the response on the discussion thread. There is really no more WG21 discussion to be had. It's all taken place; we are just waiting for deployment experience before we can put this thing into the standard.

This PR is the next logical step in the process.

https://github.com/llvm/llvm-project/pull/203841