bjoernager/rust
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remove support for extern-block const intrinsics

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This commit is contained in:
Ralf Jung 2024-11-01 22:19:42 +01:00
parent 7934f26613
commit 10723c2896
16 changed files with 119 additions and 225 deletions
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12
compiler/rustc_const_eval/src/const_eval/fn_queries.rs
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@ -25,15 +25,9 @@ fn constness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Constness {
hir::Constness::Const
}
hir::Node::Item(hir::Item { kind: hir::ItemKind::Impl(impl_), .. }) => impl_.constness,
hir::Node::ForeignItem(hir::ForeignItem { kind: hir::ForeignItemKind::Fn(..), .. }) => {
// Intrinsics use `rustc_const_{un,}stable` attributes to indicate constness. All other
// foreign items cannot be evaluated at compile-time.
let is_const = if tcx.intrinsic(def_id).is_some() {
tcx.lookup_const_stability(def_id).is_some()
} else {
false
};
if is_const { hir::Constness::Const } else { hir::Constness::NotConst }
hir::Node::ForeignItem(_) => {
// Foreign items cannot be evaluated at compile-time.
hir::Constness::NotConst
}
hir::Node::Expr(e) if let hir::ExprKind::Closure(c) = e.kind => c.constness,
_ => {