Rollup merge of #143403 - GrigorenkoPV:attributes/traits, r=jdonszelmann

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Port several trait/coherence-related attributes the new attribute system

Part of rust-lang/rust#131229

This ports:
- `#[const_trait]`
- `#[rustc_deny_explicit_impl]`
- `#[rustc_do_not_implement_via_object]`
- `#[rustc_coinductive]`
- `#[type_const]`
- `#[rustc_specialization_trait]`
- `#[rustc_unsafe_specialization_marker]`
- `#[marker]`
- `#[fundamental]`
- `#[rustc_paren_sugar]`
- `#[rustc_allow_incoherent_impl]`
- `#[rustc_coherence_is_core]`

This also changes `#[marker]` to error on duplicates instead of warning.
cc rust-lang/rust#142838, but I don't think it matters too much, since it's unstable.

r? ``@oli-obk``

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Matthias Krüger 2025-07-11 19:45:22 +02:00 committed by GitHub

parent f934bcf4f6 82c8efd2c8

commit 51c23699d8

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