*R19
	*R20
}

type R14 R13
type R15 R13
type R16 R13

type R17 struct {
	*R21
	*R22
	*R23
	*R24
}

type R18 R17
type R19 R17
type R20 R17

type R21 struct {
	X int
}

type R22 R21
type R23 R21
type R24 R21

func TestEmbed(t *testing.T) {
	typ := TypeOf(R0{})
	f, ok := typ.FieldByName("X")
	if ok {