c := make(chan bool)
	var f func()
	f = func() {
		i--
		if i >= 0 {
			time.AfterFunc(0, f)
		} else {
			c <- true
		}
	}

	time.AfterFunc(0, f)
	<-c
}

func TestNoRaceAfterFunc2(t *testing.T) {
	var x int
	_ = x
	timer := time.AfterFunc(10, func() {
		x = 1
	})
	defer timer.Stop()
}

func TestNoRaceAfterFunc3(t *testing.T) {
	c := make(chan bool, 1)
	x := 0