[libc-commits] [libc] [libc] Use `<assert.h>` in overlay mode for LIBC_ASSERT (PR #99875)

[via libc-commits]

https://github.com/lntue requested changes to this pull request.

Look like you will need to update some missing include headers with this change:
```
In file included from /usr/local/google/home/lntue/experiment/llvm-project/libc/src/__support/threads/linux/mutex.h:17:
/usr/local/google/home/lntue/experiment/llvm-project/libc/src/__support/threads/linux/raw_mutex.h:108:9: error: use of undeclared identifier 'LIBC_LIKELY'
    if (LIBC_LIKELY(try_lock()))
```

https://github.com/llvm/llvm-project/pull/99875