Auto merge of #138205 - onur-ozkan:fix-build-cycle, r=jieyouxu

handle precompiled compiler more properly

Fixes the build cycle problem reported on [#t-infra/bootstrap > Cycle on &rust-lang#96;aarch64-apple&rust-lang#96;](https://rust-lang.zulipchat.com/#narrow/channel/326414-t-infra.2Fbootstrap/topic/Cycle.20on.20.60aarch64-apple.60/with/504231609).

Author: bors