{"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"let"}]}
                let res = fx.bcx.ins().select(is_zero, zero, a_lane);
                let a_lane = a.value_lane_dyn(fx, a_idx).load_scalar(fx);
                ret.place_lane(fx, i).to_ptr().store(fx, res, MemFlags::trusted());