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const trait Trait {} syntax is accepted without a feature gate on 1.90 beta and master #144958

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const trait Trait {} syntax is accepted without a feature gate on 1.90 beta and master#144958
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fmease
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A-parserArea: The lexing & parsing of Rust source code to an ASTC-bugCategory: This is a bug.P-highHigh priorityPG-const-traitsProject group: Const traitsT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.

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@fmease
fmease
opened on Aug 5, 2025
const trait Trait {}

doesn't lead to a const_trait_impl feature gate error.

Affects 1.90 beta and nightly/master.

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A-parserArea: The lexing & parsing of Rust source code to an ASTC-bugCategory: This is a bug.P-highHigh priorityPG-const-traitsProject group: Const traitsT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.

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