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Auto merge of #13866 - Nilstrieb:rustc_safe_intrinsic, r=Veykril

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Use `rustc_safe_intrinsic` attribute to check for intrinsic safety

Instead of maintaining a list that is poorly kept in sync we can just use the attribute.

This will make new RA versions unusable with old toolchains that don't have the attribute yet. Should we keep maintaining the list as a fallback or just don't care?
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bors 2022-12-30 22:14:31 +00:00
commit 0d76b94c90
3 changed files with 14 additions and 48 deletions
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crates/hir-def/src/builtin_attr.rs
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@ -350,6 +350,7 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[
),
ungated!(rustc_const_unstable, Normal, template!(List: r#"feature = "name""#), DuplicatesOk),
ungated!(rustc_const_stable, Normal, template!(List: r#"feature = "name""#), DuplicatesOk),
ungated!(rustc_safe_intrinsic, Normal, template!(List: r#"feature = "name""#), DuplicatesOk),
gated!(
allow_internal_unstable, Normal, template!(Word, List: "feat1, feat2, ..."), DuplicatesOk,
"allow_internal_unstable side-steps feature gating and stability checks",