Make `Ty::builtin_deref` just return a `Ty` Nowhere in the compiler are we using the mutability part of the `TyAndMut` that we used to return.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.
Make `Ty::builtin_deref` just return a `Ty` Nowhere in the compiler are we using the mutability part of the `TyAndMut` that we used to return.
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.