[libc-commits] [clang] [libc] [libc] Support opaque FILE* on baremetal (PR #168931)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google approved this pull request.

I'm fine with this landing as-is to unblock some downstream work. I'm currently planning a major stdio rewrite so I expect a lot of this to be changed soon anyways.

https://github.com/llvm/llvm-project/pull/168931