nd_defn          5687 compile.c      	const rb_iseq_t *method_iseq = NEW_ISEQ(node->nd_defn,
nd_defn          5705 compile.c      	const rb_iseq_t * singleton_method = NEW_ISEQ(node->nd_defn,
nd_defn           701 node.c         	F_NODE(nd_defn, "method definition");
nd_defn           711 node.c         	F_NODE(nd_defn, "method definition");