Bug 1990108 (part 1) - Stabilize raw_ref_op in our patched Rust compiler. r=glandium

This applies the patches in rust-lang/rust#127679, although
miro and test chunks were removed as they didn't apply.

Differential Revision: https://phabricator.services.mozilla.com/D267338

UltraBlame original commit: e4312178918d244ea6213cbdf6f5254cecd2eff4

Author: marco-c