mir::Field
abi::FieldIdx
The first PR for https://github.com/rust-lang/compiler-team/issues/606 This is just the move-and-rename, because it's plenty big-and-bitrotty already. Future PRs will start using `FieldIdx` more broadly, and concomitantly removing `FieldIdx::new`s.
Revert "lint auto pass" This reverts commit e58e4466384924c491a932d3f18ef50ffa5a5065.