[libcxx-commits] [libcxx] [libc++][hardening] Finish documenting hardening. (PR #92021)

[Konstantin Varlamov via libcxx-commits]

var-const wrote:

@hawkinsw Thank you for your suggestions! I have implemented most of them, please let me know if you feel strongly about any of the remaining ones.

https://github.com/llvm/llvm-project/pull/92021