Port several trait/coherence-related attributes the new attribute system #143403
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Rollup of 8 pull requests Successful merges: - #143402 (Port several linking (linkage?) related attributes the new attribute system ) - #143555 (Don't mark `#[target_feature]` safe fns as unsafe in rustdoc JSON.) - #143593 (Port #[rustc_dummy]) - #143600 (Update intro blurb in `wasm32-wasip1` docs) - #143603 (Clarify the meaning of `AttributeOrder::KeepFirst` and `AttributeOrder::KeepLast`) - #143606 (configure.py: Write last key in each section) - #143620 (fix: Remove newline from multiple crate versions note) - #143622 (Add target maintainer information for mips64-unknown-linux-muslabi64) Failed merges: - #143403 (Port several trait/coherence-related attributes the new attribute system) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup of 7 pull requests Successful merges: - #143402 (Port several linking (linkage?) related attributes the new attribute system ) - #143555 (Don't mark `#[target_feature]` safe fns as unsafe in rustdoc JSON.) - #143593 (Port #[rustc_dummy]) - #143600 (Update intro blurb in `wasm32-wasip1` docs) - #143603 (Clarify the meaning of `AttributeOrder::KeepFirst` and `AttributeOrder::KeepLast`) - #143620 (fix: Remove newline from multiple crate versions note) - #143622 (Add target maintainer information for mips64-unknown-linux-muslabi64) Failed merges: - #143403 (Port several trait/coherence-related attributes the new attribute system) r? `@ghost` `@rustbot` modify labels: rollup
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Part of #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 #142838, but I don't think it matters too much, since it's unstable.
r? @oli-obk