[libc-commits] [libc] [libc] Remove atomic alignment diagnostics globally (PR #96803)

[Joseph Huber via libc-commits]

jhuber6 wrote:

> Patch LGTM; but please wait for @petrhosek to confirm that he's ok with this approach for Fuchsia.
> 
> Perhaps we only want to set this for 32b arm?

Unsure how to check that for CMake, but it seems like in general we should probably get let atomics lie where they are. If we want different behavior in-code we should probably use `__atomic_always_lock_free` or something.

https://github.com/llvm/llvm-project/pull/96803