w_ivar            598 marshal.c      	    if (hasiv) w_ivar(obj, 0, &c_arg);
w_ivar            617 marshal.c      		w_ivar(v, ivtbl2, &c_arg);
w_ivar            620 marshal.c      		w_ivar(obj, ivtbl, &c_arg);
w_ivar            788 marshal.c      	w_ivar(obj, ivtbl, &c_arg);