}

func TestRaceIfaceConv(t *testing.T) {
	c := make(chan bool)
	f := &OsFile{}
	go func() {
		go func(x IoReader) {
		}(f)
		c <- true
	}()
	f = &OsFile{}
	<-c
}

func TestRaceError(t *testing.T) {
	ch := make(chan bool, 1)
	var err error
	go func() {
		err = nil
		ch <- true
	}()
	_ = err
	<-ch
}

func TestRaceIntptrRW(t *testing.T) {
	var x, y int