{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"ccx.tcx.sess.create_feature_err(errors::UnallowedOpInConstContext"}]}
            ccx.tcx.sess.create_feature_err(errors::UnallowedOpInConstContext { span, msg }, gate)
        if let Status::Unstable { gate, .. } = self.status_in_item(ccx) {
        } else {