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Do not resolve blocks in foreign functions

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inquisitivecrystal 2022-01-02 21:11:16 -08:00
parent 8baeddfe8f
commit 486585242e
1 changed files with 10 additions and 3 deletions
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13
compiler/rustc_resolve/src/late.rs
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@ -520,9 +520,16 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
} }
fn visit_fn(&mut self, fn_kind: FnKind<'ast>, sp: Span, _: NodeId) { fn visit_fn(&mut self, fn_kind: FnKind<'ast>, sp: Span, _: NodeId) {
let rib_kind = match fn_kind { let rib_kind = match fn_kind {
// Bail if there's no body. // Bail if the function is foreign, and thus cannot validly have
FnKind::Fn(.., None) => return visit::walk_fn(self, fn_kind, sp), // a body, or if there's no body for some other reason.
FnKind::Fn(FnCtxt::Free | FnCtxt::Foreign, ..) => FnItemRibKind, FnKind::Fn(FnCtxt::Foreign, _, sig, ..) | FnKind::Fn(_, _, sig, .., None) => {
// We don't need to deal with patterns in parameters, because
// they are not possible for foreign or bodiless functions.
self.visit_fn_header(&sig.header);
visit::walk_fn_decl(self, &sig.decl);
return;
}
FnKind::Fn(FnCtxt::Free, ..) => FnItemRibKind,
FnKind::Fn(FnCtxt::Assoc(_), ..) => NormalRibKind, FnKind::Fn(FnCtxt::Assoc(_), ..) => NormalRibKind,
FnKind::Closure(..) => ClosureOrAsyncRibKind, FnKind::Closure(..) => ClosureOrAsyncRibKind,
}; };