Make lints work with allow_internal_unstable

Jules-Bertholet · jplatte · commit acb0e71c4913 · 2025-07-23T00:10:58.000+02:00
diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs
@@ -933,6 +933,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> {
     fn check_gated_lint(&self, lint_id: LintId, span: Span, lint_from_cli: bool) -> bool {
         let feature = if let Some(feature) = lint_id.lint.feature_gate
             && !self.features.enabled(feature)
+            && !span.allows_unstable(feature)
         {
             // Lint is behind a feature that is not enabled; eventually return false.
             feature

Original file line number	Diff line number	Diff line change
`@@ -933,6 +933,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> {`
`933`	`933`	`fn check_gated_lint(&self, lint_id: LintId, span: Span, lint_from_cli: bool) -> bool {`
`934`	`934`	`let feature = if let Some(feature) = lint_id.lint.feature_gate`
`935`	`935`	`&& !self.features.enabled(feature)`
	`936`	`+ && !span.allows_unstable(feature)`
`936`	`937`	`{`
`937`	`938`	`// Lint is behind a feature that is not enabled; eventually return false.`
`938`	`939`	`feature`