{"ast_node_type":"variable","tokens":[{"end":73,"kind":"keyword","start":0,"text":"if"}]}
            if let Some(stab) = self.tcx.lookup_const_stability(def_id) {
        if self.feat.staged_api() || self.tcx.sess.opts.unstable_opts.force_unstable_if_unmarked {
                record!(self.tables.lookup_const_stability[def_id] <- stab)