r_ivar           1572 marshal.c      	    if (ivar) r_ivar(v, NULL, arg);
r_ivar           1711 marshal.c      		r_ivar(str, &has_encoding, arg);
r_ivar           1829 marshal.c      		r_ivar(data, NULL, arg);
r_ivar           1879 marshal.c      	    r_ivar(v, NULL, arg);