[libc-commits] [libc] [libc] move __stack_chk_fail to src/ from startup/ (PR #75863)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

As a side note, I was to move `__stack_chk_fail` to a separate file once inside startup once https://github.com/llvm/llvm-project/pull/75413 merged. But it does make more sense to move it to `src`.

https://github.com/llvm/llvm-project/pull/75863