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Restrict the set of things that const stability can be applied

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This commit is contained in:
Oli Scherer 2025-12-04 08:55:33 +00:00
parent 0ebd56ebbb
commit 628c37afad
1 changed files with 15 additions and 1 deletions
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16
compiler/rustc_attr_parsing/src/attributes/stability.rs
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@ -244,7 +244,21 @@ impl<S: Stage> AttributeParser<S> for ConstStabilityParser {
this.promotable = true;
}),
];
const ALLOWED_TARGETS: AllowedTargets = ALLOWED_TARGETS;
const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[
Allow(Target::Fn),
Allow(Target::Method(MethodKind::Inherent)),
Allow(Target::Method(MethodKind::TraitImpl)),
Allow(Target::Method(MethodKind::Trait { body: true })),
Allow(Target::Impl { of_trait: false }),
Allow(Target::Impl { of_trait: true }),
Allow(Target::Use), // FIXME I don't think this does anything?
Allow(Target::Const),
Allow(Target::AssocConst),
Allow(Target::Trait),
Allow(Target::Static),
Allow(Target::Crate),
Allow(Target::MacroDef), // FIXME(oli-obk): remove this and eliminate the manual check for it
]);
fn finalize(mut self, cx: &FinalizeContext<'_, '_, S>) -> Option<AttributeKind> {
if self.promotable {