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Auto merge of #127200 - fee1-dead-contrib:trait_def_const_trait, r=compiler-errors

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Add `constness` to `TraitDef`

Second attempt at fixing the regression @ https://github.com/rust-lang/rust/pull/120639#issuecomment-2198373716

r? project-const-traits
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bors 2024-07-09 06:51:35 +00:00
commit 5be2ec7245
9 changed files with 42 additions and 31 deletions
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2
compiler/rustc_feature/src/builtin_attrs.rs
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@ -556,7 +556,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
),
// RFC 2632
gated!(
const_trait, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::Yes, const_trait_impl,
const_trait, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No, const_trait_impl,
"`const_trait` is a temporary placeholder for marking a trait that is suitable for `const` \
`impls` and all default bodies as `const`, which may be removed or renamed in the \
future."