Sourced from: * gcc-mirror/gcc@53a9065 darwin-aarch64-config (for gcc-6.5.0 .. gcc-10.3.0) * gcc-mirror/gcc@834c874 darwin-aarch64-self-host-driver (for gcc-6.5.0 .. gcc-10.3.0) * gcc-mirror/gcc@590febb darwin-align-pch_address_space-to-16k (for gcc-6.5.0 .. gcc-9.2.0)