[libc-commits] [libc] [libc] add an _Exit declaration to the _Exit proxy func header (PR #114904)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google requested changes to this pull request.

Why do we need a proxy header for `_Exit` at all? Why don't we just call our internal `_Exit` in the `atexit` and `atquickexit` tests?

https://github.com/llvm/llvm-project/pull/114904