fn test_invalid_index() {
	v := 4
	_ = v[0]

	a := [2]
	_ = a[a]
	_ = a[-1]
}

fn test_invalid_slice() {
	v := 4
	_ = v[1..]
	_ = v[..1]

	a := [2]
	_ = a[a..]
	_ = a[..a]
	_ = a[-1..]
	_ = a[..-1]
	_ = a[-1..-2]
}