[php-src] Issue #11795: Segmentation fault when generating composer autoload with 50k+ classes

Issue: https://github.com/php/php-src/issues/11795 Author: oprypkhantc ### Description Hey. Running composer dumpautoload --optimize-autoloader twice on a large codebase (50k+ classes it seems) with OPCache enabled in Docker results in a segmentation fault. Changing OPCache settings doesn't seem to do anything. This is reproducible on a x86_64, but is not reproducible on ARM MacBook. PHP 8.1.9 is also affected. I've prepared a small repository with reproduction: https://github.com/oprypkhantc/php-composer-segfault/tree/main ```shell docker run -w /app -v "$PWD:/app" -it $(docker build -q .) i --ignore-platform-reqs docker run -w /app -v "$PWD:/app" -it $(docker build -q .) dump -o docker run -w /app -v "$PWD:/app" -it $(docker build -q .) dump -o ``` The first dump -o results in an exit code 0 and this output: ``` Generating optimized autoload files Warning: ... Generated optimized autoload files containing 61131 classes ``` The second dump -o results in an exit code 139 and this output (notice missing line compared to the first run): ``` Generating optimized autoload files Warning: ... ``` ### PHP Version 8.2.8 ### Operating System Ubuntu 20.04