Description:
------------
When exit() is used in a file pointed to by auto_prepend_file directive it does not abort the execution of PHP in PHP 8. It used to abort execution in PHP 7 (last tested with PHP 7.4.5).

Test script:
---------------
// prepend.php
<?php
var_dump('exiting');
exit(22);
var_dump('after exit');
?>

// main.php
 <?php
var_dump('executing');

// run as php -dauto_prepend_file=prepend.php main.php


Expected result:
----------------
string(7) "exiting"

Actual result:
--------------
string(7) "exiting"
string(9) "executing"