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Rollup merge of #150834 - multiple_supertrait_upcastable-not-internal, r=Kivooeo

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Add tracking issue for `feature(multiple_supertrait_upcastable)`

Move feature(multiple_supertrait_upcastable) to the actual feature gates section (from the internal feature gates section) and give it a tracking issue.

Tracking issue: rust-lang/rust#150833

Fixes https://github.com/rust-lang/rust/issues/150773

This feature is for the `multiple_supertrait_upcastable` lint, which was added as `unstable` without a tracking issue, but was placed in the internal feature gates section. This PR moves its listing to the actual feature gates section and gives it a tracking issue.

If the lint is intended to stay internal-only, then this can be changed to instead mark it as `internal` (and maybe close the tracking issue).
This commit is contained in:
Guillaume Gomez 2026-01-09 12:00:03 +01:00 • committed by GitHub
commit ab854dac28
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2 changed files with 4 additions and 2 deletions
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4
compiler/rustc_feature/src/unstable.rs
View file

@ -233,8 +233,6 @@ declare_features! (
(internal, link_cfg, "1.14.0", None),
/// Allows using `?Trait` trait bounds in more contexts.
(internal, more_maybe_bounds, "1.82.0", None),
/// Allows the `multiple_supertrait_upcastable` lint.
(unstable, multiple_supertrait_upcastable, "1.69.0", None),
/// Allow negative trait bounds. This is an internal-only feature for testing the trait solver!
(internal, negative_bounds, "1.71.0", None),
/// Set the maximum pattern complexity allowed (not limited by default).
@ -569,6 +567,8 @@ declare_features! (
(unstable, more_qualified_paths, "1.54.0", Some(86935)),
/// The `movrs` target feature on x86.
(unstable, movrs_target_feature, "1.88.0", Some(137976)),
/// Allows the `multiple_supertrait_upcastable` lint.
(unstable, multiple_supertrait_upcastable, "1.69.0", Some(150833)),
/// Allows the `#[must_not_suspend]` attribute.
(unstable, must_not_suspend, "1.57.0", Some(83310)),
/// Allows `mut ref` and `mut ref mut` identifier patterns.

2
tests/ui/feature-gates/feature-gate-multiple_supertrait_upcastable.stderr
View file

@ -5,6 +5,7 @@ LL | #![deny(multiple_supertrait_upcastable)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the `multiple_supertrait_upcastable` lint is unstable
= note: see issue #150833 <https://github.com/rust-lang/rust/issues/150833> for more information
= help: add `#![feature(multiple_supertrait_upcastable)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
= note: `#[warn(unknown_lints)]` on by default
@ -16,6 +17,7 @@ LL | #![warn(multiple_supertrait_upcastable)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: the `multiple_supertrait_upcastable` lint is unstable
= note: see issue #150833 <https://github.com/rust-lang/rust/issues/150833> for more information
= help: add `#![feature(multiple_supertrait_upcastable)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date