{"ast_node_type":"variable","tokens":[{"end":48,"kind":"keyword","start":0,"text":"if"}]}
    if let DefKind::AssocFn = tcx.def_kind(id) {
pub(crate) fn check_target_feature_trait_unsafe(tcx: TyCtxt<'_>, id: LocalDefId, attr_span: Span) {
        let parent_id = tcx.local_parent(id);