T3 interface { T2; T2 }
        T4 interface { T3; T3 }
        T5 interface { T4; T4 }
        T6 interface { T5; T5 }
        T7 interface { T6; T6 }
        T8 interface { T7; T7 }
        T9 interface { T8; T8 }

        // TODO(gri) Enable this longer test once we have found a solution
        //           for the incorrect optimization in the validType check
        //           (see TODO in validtype.go).

	x[16*i+1] = 77
}

func idxInt64(x, y []int64, i int) {
	var t int64
	// amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\), [A-Z]+[0-9]*`
	t = x[i+1]
	// amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*8\)`
	y[i+1] = t
	// amd64: `MOVQ\t8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\), [A-Z]+[0-9]*`
	t = x[16*i+1]
	// amd64: `MOVQ\t[A-Z]+[0-9]*, 8\([A-Z]+[0-9]*\)\([A-Z]+[0-9]*\*[18]\)`

        T5 = T
)

func (T4) m4() {}
func _() { (T{}).m4 /* ERROR "cannot call pointer method m4 on T" */ () }
func _() { (&T{}).m4() }

type (
        T6 = (((T7)))
        T7 = (*(T8))
        T8 = T
)

func (T6) m6() {}
func _() { (T{}).m6 /* ERROR "cannot call pointer method m6 on T" */ () }
func _() { (&T{}).m6() }

type (
        T9 = *T10
        T10 = *T11
        T11 = T
)

}

type T6 struct {
	T9
	C T10
}

type T7 struct {
	T10
	T11
}

type T8 struct {
	T9
	C T7
}

type T9 struct {
	A T5
	B T3
	D T4
}

type T10 struct {
	W float64
}

type T11 struct {
	X float64
	Y float64
}

func MainTest(x T1, y T8, z T6) float64 {
	return Test(x.B, x.A, x.D, x.C, y.B, y.A, y.D, y.C, z.B, z.A, z.D,
		T7{
			T10: T10{

type T5 struct {
	_ E0[E2[T5]]
}

type T6 struct {
	_ E0[E2[E0[E1[E2[[10]T6]]]]]
}

type T7 struct {
	_ E0[[10]E2[E0[E2[E2[T7]]]]]
}

type T8 struct {
	_ E0[[]E2[E0[E2[E2[T8]]]]]
}

type T9 /* ERROR "invalid recursive type" */ [10]E2[E5[E2[T9]]]

-T8
--builder

// cycles through method values

type T7 int
func (T7) m() int { _ = x7; return 0 }
var x7 /* ERROR "initialization cycle" */ = T7(0).m

type T8 int
func (T8) m() int { _ = x8; return 0 }
var x8 /* ERROR "initialization cycle" */ = T8(0).m()

type T7p int
func (*T7p) m() int { _ = x7p; return 0 }
var x7p /* ERROR "initialization cycle" */ = new(T7p).m

type T8p int

func NopConvertGeneric[T any](x T) T {
	// amd64:-`.*runtime.convI2I`
	return T(x)
}

var NopConvertGenericIface = NopConvertGeneric[I]

func ConvToM(x any) I {
	// amd64:`CALL\truntime.typeAssert`,`MOVL\t16\(.*\)`,`MOVQ\t8\(.*\)(.*\*1)`
	// arm64:`CALL\truntime.typeAssert`,`LDAR`,`MOVWU`,`MOVD\t\(R.*\)\(R.*\)`
	return x.(I)

}

type T1 struct {
	X *int
}

func f15(x []T1, y T1) []T1 {
	return append(x, y) // ERROR "write barrier"
}

type T8 struct {
	X [8]*int
}

func f16(x []T8, y T8) []T8 {
	return append(x, y) // ERROR "write barrier"
}

func t1(i interface{}) **int {
	// From issue 14306, make sure we have write barriers in a type switch

package cycles

import "unsafe"

type (
	T0 int
	T1 /* ERROR "invalid recursive type: T1 refers to itself" */ T1
	T2 *T2

	T3 /* ERROR "invalid recursive type" */ T4
	T4 T5
	T5 T3

	T6 T7
	T7 *T8
	T8 T6

	// arrays
	A0 /* ERROR "invalid recursive type" */ [10]A0
	A1 [10]*A1

	A2 /* ERROR "invalid recursive type" */ [10]A3
	A3 [10]A4
	A4 A2

	A5 [10]A6
	A6 *A5

	// slices
	L0 []L0