[libcxx-commits] [libcxx] [libc++] Speed up classic locale (PR #70631)

[Dmitry Vyukov via libcxx-commits]

dvyukov wrote:

> I think this can be done without breaking the ABI

How? Do you have any specific way in mind? Are there examples of such changes?

https://github.com/llvm/llvm-project/pull/70631