case ir.OAS:
		n := n.(*ir.AssignStmt)
		if n.X.Op() == ir.OINDEXMAP {
			n.Y = o.safeMapRHS(n.Y)
		}
		o.out = append(o.out, n)
	case ir.OASOP:
		n := n.(*ir.AssignOpStmt)
		if n.X.Op() == ir.OINDEXMAP {
			n.Y = o.safeMapRHS(n.Y)
		}
		o.out = append(o.out, n)
	}
}

func (o *orderState) safeMapRHS(r ir.Node) ir.Node {
	// Make sure we evaluate the RHS before starting the map insert.