[Bug bootstrap/96168] Cannot bootstrap with Xcode 12 Beta on aarch64, macOS 11.0/Darwin, Apple Silicon

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96168

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Someone will need to take the llvm port and then port the full ABI to gcc. This
is not just as simple of what you did.