}
}

// test that range over []byte(string) only evaluates
// the expression after "range" once.

func makenumstring() string {
	nmake++
	return "\x01\x02\x03\x04\x05"
}

func testslice3() {
	s := byte(0)
	nmake = 0
	for _, v := range []byte(makenumstring()) {
		s += v
	}
	if nmake != 1 {
		println("range called makenumstring", nmake, "times")
		panic("fail")
	}
	if s != 15 {

	ptr2 := rv.UnsafePointer()
	rv = rv.Slice(5, 5)
	ptr3 := rv.UnsafePointer()
	if ptr3 != ptr2 {
		t.Errorf("xs.Slice(3,4).Slice3(5,5).UnsafePointer() = %p, want %p", ptr3, ptr2)
	}
}

func TestSlice3(t *testing.T) {
	xs := []int{1, 2, 3, 4, 5, 6, 7, 8}
	v := ValueOf(xs).Slice3(3, 5, 7).Interface().([]int)
	if len(v) != 2 {
		t.Errorf("len(xs.Slice3(3, 5, 7)) = %d", len(v))
	}
	if cap(v) != 4 {