godebugtester run main.go
contains stdout "3=(a[2=(1 + 1)])"
contains stdout "2=(fa()[1])"

-- main.go --
package main
func main() {
	a:=[]int{1,2,3}
	_=a[1+1]
	_=fa()[1]
}
func fa() []int{
	return []int{1,2,3}
}

