[libc-commits] [libc] [libc] Include Linux kernel headers in the full build (PR #97486)

[Petr Hosek via libc-commits]

petrhosek wrote:

@frobtech Should we add this flag this unconditionally or only when `-nostdinc` or `-nostdlibcinc` is set?

https://github.com/llvm/llvm-project/pull/97486