[libc-commits] [libc] [libc] Move baremetal write_to_stderr implementation to io.cpp (PR #86890)

[Petr Hosek via libc-commits]

petrhosek wrote:

> > > What was the reason we didn't put this in an `io.cpp` again?
> > 
> > 
> > I'm not sure if there's any particular reason, I think we could since this is not on the hot path?
> 
> Unsure if it matters that much since it's already behind `__llvm_libc_log_write` so it's not like it'll be inlined fully. Might be better to make it match `quick_build.cpp`.

Done

https://github.com/llvm/llvm-project/pull/86890