[libc-commits] [libc] [libc] Implement clone(2) and use it in thread spawning (PR #224257)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google commented:

could you add a bit more detail on why this implementation can't use `syscall_impl`?

https://github.com/llvm/llvm-project/pull/224257