Description:
------------
see https://3v4l.org/AjLjK

Test script:
---------------
<?php

$a = new class {
    public function __destruct() {
        echo '__destruct called' . "\n";
    }
};

$a->__destruct();
$a = null;

Expected result:
----------------
__destruct called

and maybe some warning as __destruct should not be called manually

Actual result:
--------------
__destruct called
__destruct called