{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"if"}]}
    if paren_sugar && !tcx.features().unboxed_closures() {
    let paren_sugar = find_attr!(attrs, AttributeKind::ParenSugar(_));
        tcx.dcx().emit_err(errors::ParenSugarAttribute { span: item.span });