Instructions:
BB [1:LBL_1:-1]
	%v_4 = copy(nil)
	%v_5 = copy(%v_4)
BB [2:LBL_2:-1]
	%self = recv_self()
BB [3:_LOOP_BEGIN_0:5]
	%v_4 = call_0o(%self ;n:gets, t:VA, cl:false)
	b_false(LBL_0:15, %v_4)
BB [4:_ITER_BEGIN_0:8]
	thread_poll()
	line_num(;n: 0)
	%v_5 = get_global_var($_)
	%v_6 = call_1o(%self, %v_5 ;n:puts, t:FU, cl:false)
	jump(_LOOP_BEGIN_0:5)
BB [6:LBL_0:15]
	return(nil)
BB [8:LBL_3:-1]