benchmarkSwitch8(b, true)
}
func BenchmarkSwitch8Unpredictable(b *testing.B) {
	benchmarkSwitch8(b, false)
}
func benchmarkSwitch8(b *testing.B, predictable bool) {
	n := 0
	rng := newRNG()
	for i := 0; i < b.N; i++ {
		rng = rng.next(predictable)
		switch rng.value() & 7 {
		case 0:
			n += 1
		case 1:
			n += 2
		case 2:
			n += 3
		case 3:
			n += 4
		case 4:
			n += 5