return 0
}

var GlobalX, GlobalY int = 0, 0
var GlobalCh chan int = make(chan int, 2)

func GlobalFunc1() {
	GlobalY = GlobalX
	GlobalCh <- 1
}

func GlobalFunc2() {
	GlobalX = 1
	GlobalCh <- 1
}

func TestRaceIntRWGlobalFuncs(t *testing.T) {
	go GlobalFunc1()
	go GlobalFunc2()
	<-GlobalCh
	<-GlobalCh
}

func TestRaceIntRWClosures(t *testing.T) {
	var x, y int
	_ = y