[libc-commits] [libc] [libc] introduce hardening mode and add heap integrity check as example (PR #210373)

[Daniel Thornburgh via libc-commits]

https://github.com/mysterymath commented:

This generally LGTM for the heap stuff, but it also introduces some changes `libc_assert.h` that someone with more experience should look at.

https://github.com/llvm/llvm-project/pull/210373