finVar.Lock()
			finVar.cnt++
			finVar.Unlock()
		})
		c <- true
	}()
	<-c
	runtime.GC()
	time.Sleep(100 * time.Millisecond)
	finVar.Lock()
	finVar.cnt++
	finVar.Unlock()
}

func TestRaceFin(t *testing.T) {
	c := make(chan bool)
	y := 0
	_ = y
	go func() {
		x := new(string)
		runtime.SetFinalizer(x, func(x *string) {
			y = 42
		})
		c <- true
	}()
	<-c
	runtime.GC()