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

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zmodem wrote:

Thanks for the heads up! This seems very flexible, providing a `__assertion_handler` header should allow us to do whatever we want essentially.

@alanzhao1 can you take a look too?

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