func (lv *liveness) emitStackObjects() *obj.LSym {
	var vars []*ir.Name
	for _, n := range lv.fn.Dcl {
		if shouldTrack(n) && n.Addrtaken() && n.Esc() != ir.EscHeap {
			vars = append(vars, n)
		}
	}
	if len(vars) == 0 {
		return nil
	}

	// Sort variables from lowest to highest address.
	sort.Slice(vars, func(i, j int) bool { return vars[i].FrameOffset() < vars[j].FrameOffset() })