Description:
------------
The test script produces the following error on PHP 8.0.0:


Fatal error: Uncaught TypeError: NoRewindIterator::__construct(): Argument #1 ($iterator) must be of type Iterator, SplFixedArray given

Works on PHP 7.4.9

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

$tokens = [1,2,3];
new NoRewindIterator(SplFixedArray::fromArray($tokens));

Expected result:
----------------
No error message generated

Actual result:
--------------
Fatal error: Uncaught TypeError: NoRewindIterator::__construct(): Argument #1 ($iterator) must be of type Iterator, SplFixedArray given in filename.php