go func() {
		x = 1
		select {
		case c <- true:
		case c1 <- true:
		}
		compl <- true
	}()
	x = 2
	select {
	case <-c:
	}
	<-compl
}

func TestRaceSelect4(t *testing.T) {
	done := make(chan bool, 1)
	var x int
	go func() {
		select {
		default:
			x = 2
		}
		done <- true
	}()
	_ = x
	<-done
}

// The idea behind this test: