[libc-commits] [libc] [libc] Add getc, ungetc, fflush to enable libc++ iostream on baremetal (PR #175530)

[Paul Kirth via libc-commits]

ilovepi wrote:

I've confirmed that reverting your patch fixed the issue in 2 stage builds. I'm not totally sure why this is only showing up there on windows, though.

Bot w/ revert: https://ci.chromium.org/ui/p/fuchsia/builders/toolchain.ci.shadow/clang-windows-x64/b8689944263317709073/overview

@petrhosek any clue as to why this would happen? maybe some CMake interactions? or somethign in the stage2 plumbing for the runtimes builds that only shows up on Windows?

https://github.com/llvm/llvm-project/pull/175530