[php-src] Issue #20324: zend_objects_destroy_object crashes on NULL EG(current_execute_data) during exception in destructor (zend_objects.c)

Issue: https://github.com/php/php-src/issues/20324 Author: vi3tL0u1s ### Description The following code: ```php <?php class a { function __destruct() { ob_start(function () use (&$c) { $c = new A; !self::$b =$ $x; }, 1); $c = new A; $array = array($c); header(' '); print_r($array); } } new a; ``` Resulted in this output: ``` AddressSanitizer:DEADLYSIGNAL ================================================================= ==472987==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x55a23e17393a bp 0x7ffd7eb42480 sp 0x7ffd7eb42360 T0) ==472987==The signal is caused by a WRITE memory access. ==472987==Hint: address points to the zero page. ``` Commit: ``` 336fbf09d77 ``` Configuration: ``` CC="clang" CXX="clang++" CFLAGS="-fsanitize=address -g -O0" CXXFLAGS="-fsanitize=address -g -O0" ./configure --enable-debug --enable-address-sanitizer --disable-shared --with-pic ``` ### PHP Version ```plain PHP 8.6.0-dev (cli) (built: Oct 29 2025 14:18:41) (NTS DEBUG) Copyright (c) The PHP Group Zend Engine v4.6.0-dev, Copyright (c) Zend Technologies with Zend OPcache v8.6.0-dev, Copyright (c), by Zend Technologies ``` ### Operating System Ubuntu 22.04