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Stabilize RFC3324 dyn upcasting coercion

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Aka trait_upcasting feature.

And also adjust the `deref_into_dyn_supertrait` lint.
This commit is contained in:
Urgau
2023-11-21 13:58:01 +01:00
parent 855c6836b7
commit 4c2d6de70e
69 changed files with 107 additions and 357 deletions
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3
compiler/rustc_feature/src/unstable.rs
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@@ -562,9 +562,6 @@ declare_features! (
(unstable, thread_local, "1.0.0", Some(29594), None),
/// Allows defining `trait X = A + B;` alias items.
(unstable, trait_alias, "1.24.0", Some(41517), None),
/// Allows dyn upcasting trait objects via supertraits.
/// Dyn upcasting is casting, e.g., `dyn Foo -> dyn Bar` where `Foo: Bar`.
(unstable, trait_upcasting, "1.56.0", Some(65991), None),
/// Allows for transmuting between arrays with sizes that contain generic consts.
(unstable, transmute_generic_consts, "1.70.0", Some(109929), None),
/// Allows #[repr(transparent)] on unions (RFC 2645).