[libcxx-commits] [libcxx] [libc++][hardening] Rework how the assertion handler can be overridden. (PR #77883)

[Konstantin Varlamov via libcxx-commits]

var-const wrote:

Also pinging @llvm/libcxx-vendors (please see the comment above).

https://github.com/llvm/llvm-project/pull/77883