return nil
	}
}

// canSSA reports whether n is SSA-able.
// n must be an ONAME (or an ODOT sequence with an ONAME base).
func (s *state) canSSA(n ir.Node) bool {
	if base.Flag.N != 0 {
		return false
	}
	for {
		nn := n
		if nn.Op() == ir.ODOT {
			nn := nn.(*ir.SelectorExpr)
			n = nn.X
			continue
		}
		if nn.Op() == ir.OINDEX {