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Rollup merge of #127655 - RalfJung:invalid_type_param_default, r=compiler-errors

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turn `invalid_type_param_default` into a `FutureReleaseErrorReportInDeps`

`````@rust-lang/types````` I assume the plan is still to disallow this? It has been a future-compat lint for a long time, seems ripe to go for hard error.

However, turns out that outright removing it right now would lead to [tons of crater regressions](https://github.com/rust-lang/rust/pull/127655#issuecomment-2228285460), so for now this PR just makes this future-compat lint show up in cargo's reports, so people are warned when they use a dependency that is affected by this.

Fixes https://github.com/rust-lang/rust/issues/27336 by removing the feature gate (so there's no way to silence the lint even on nightly)
CC https://github.com/rust-lang/rust/issues/36887
This commit is contained in:
Matthias Krüger 2024-08-05 05:40:19 +02:00 • committed by GitHub
commit cc61dc8b2d
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12 changed files with 115 additions and 30 deletions
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3
compiler/rustc_feature/src/removed.rs
View file

@ -82,6 +82,9 @@ declare_features! (
/// Allows the use of `#[derive(Anything)]` as sugar for `#[derive_Anything]`.
(removed, custom_derive, "1.32.0", Some(29644),
Some("subsumed by `#[proc_macro_derive]`")),
/// Allows default type parameters to influence type inference.
(removed, default_type_parameter_fallback, "CURRENT_RUSTC_VERSION", Some(27336),
Some("never properly implemented; requires significant design work")),
/// Allows using `#[doc(keyword = "...")]`.
(removed, doc_keyword, "1.28.0", Some(51315),
Some("merged into `#![feature(rustdoc_internals)]`")),

2
compiler/rustc_feature/src/unstable.rs
View file

@ -431,8 +431,6 @@ declare_features! (
(unstable, custom_test_frameworks, "1.30.0", Some(50297)),
/// Allows declarative macros 2.0 (`macro`).
(unstable, decl_macro, "1.17.0", Some(39412)),
/// Allows default type parameters to influence type inference.
(unstable, default_type_parameter_fallback, "1.3.0", Some(27336)),
/// Allows using `#[deprecated_safe]` to deprecate the safeness of a function or trait
(unstable, deprecated_safe, "1.61.0", Some(94978)),
/// Allows having using `suggestion` in the `#[deprecated]` attribute.