[libcxx-commits] [libcxx] [libc++][utility][NFC] Refactored safe integer `cmp_xxxx` functions to use the `__libcpp_is_integer` concept (PR #78115)

[Mark de Wever via libcxx-commits]

https://github.com/mordante approved this pull request.

Thanks for the cleanup! LGTM!

https://github.com/llvm/llvm-project/pull/78115