[libc-commits] [libc] [libc][stdfix] Implement `countlsfx` functions (PR #114318)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google commented:

I think there are some issues with your compile flag checking. Also @lntue do you have any comments on setting this up to use flags?

https://github.com/llvm/llvm-project/pull/114318