bors 6d2b84b3ed Auto merge of #118133 - Urgau:stabilize_trait_upcasting, r=WaffleLapkin
Stabilize RFC3324 dyn upcasting coercion

This PR stabilize the `trait_upcasting` feature, aka https://github.com/rust-lang/rfcs/pull/3324.

The FCP was completed here: https://github.com/rust-lang/rust/issues/65991#issuecomment-1817552398.

~~And also remove the `deref_into_dyn_supertrait` lint which is now handled by dyn upcasting coercion.~~

Heavily inspired by https://github.com/rust-lang/rust/pull/101718
Fixes https://github.com/rust-lang/rust/issues/65991
2023-11-22 16:15:34 +00:00
..