[php-src] Issue #8366: Memory leak in ArrayIterator when manually calling __construct()

Issue: https://github.com/php/php-src/issues/8366 Author: TimWolla ### Description When running the following code: ```php <?php $it = new \ArrayIterator(); $it->next(); $it->__construct([]); ``` PHP will report a memory leak ("Warning: Leaked 1 hashtable iterators in Unknown on line 0"): ``` ==271560== Memcheck, a memory error detector ==271560== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==271560== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info ==271560== Command: sapi/cli/php test.php ==271560== Warning: Leaked 1 hashtable iterators in Unknown on line 0 ==271560== ==271560== HEAP SUMMARY: ==271560== in use at exit: 0 bytes in 0 blocks ==271560== total heap usage: 14,371 allocs, 14,371 frees, 2,141,349 bytes allocated ==271560== ==271560== All heap blocks were freed -- no leaks are possible ==271560== ==271560== For lists of detected and suppressed errors, rerun with: -s ==271560== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) ``` ### PHP Version PHP 8.2.0-dev (commit 8233e061091bc442009529d49e4718ea15454e57) ### Operating System Ubuntu 20.04