{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"debug!(\"check_config(attr={:?})\","}]}
    debug!("check_config(attr={:?})", attr);
fn check_config(tcx: TyCtxt<'_>, attr: &Attribute) -> bool {
    let config = &tcx.sess.psess.config;