fn test_anon_functions_can_have_loops_with_breaks() {
    mut res := 123
    for true {
        x := fn () int {
            for x in 0 .. 10 {
                println(x)
                break
            }
            return 3
        }()
        println('${x}')
        res = x
        break
    }
    assert res == 3
}