Stabilize RFC3324 dyn upcasting coercion

Aka trait_upcasting feature. And also adjust the `deref_into_dyn_supertrait` lint.
2023-11-21 13:58:01 +01:00
parent 855c6836b7
commit 4c2d6de70e
69 changed files with 107 additions and 357 deletions
--- a/compiler/rustc_middle/src/lib.rs
+++ b/compiler/rustc_middle/src/lib.rs
@@ -49,7 +49,7 @@
 #![feature(associated_type_bounds)]
 #![feature(rustc_attrs)]
 #![feature(control_flow_enum)]
-#![feature(trait_upcasting)]
+#![cfg_attr(bootstrap, feature(trait_upcasting))]
 #![feature(trusted_step)]
 #![feature(try_blocks)]
 #![feature(try_reserve_kind)]