{"ast_node_type":"variable","tokens":[{"end":53,"kind":"keyword","start":0,"text":"if"}]}
    if let Some(comes_from_allow) = allow_dead_code {
    let allow_dead_code = has_allow_dead_code_or_lang_attr(tcx, owner_id.def_id);
        worklist.push((owner_id.def_id, comes_from_allow));