Auto merge of #12871 - fasterthanlime:sync-from-rust-2, r=Veykril

Sync from `rust-lang/rust`

This is the first subtree sync PR from `rust-lang/rust` to `rust-lang/rust-analyzer`, made by following the instructions at: https://doc.rust-lang.org/nightly/clippy/development/infrastructure/sync.html#performing-the-sync-from-rust-langrust-to-clippy

It includes all the commits that were made in:

  * https://github.com/rust-lang/rust/pull/99603

(And that were reviewed ahead of time by `@Veykril` + `@lnicola)`