[GIT-PULLS] [php-src] PR #23258: PFA: Fix UAF of inherited attribute argument value

[email protected] (arnaud-lb)
Newsgroups php.git-pulls
Message-ID <dcm2No0kMlZB6D4JxsYa5i7xQ56k5ON803nNGUHx53s@main.internal.php.net> 
Pull Request: https://github.com/php/php-src/pull/23258
Author: arnaud-lb

PFAs inherit some attributes by converting them back to AST nodes with `zp_attribute_to_ast()`, but this function failed to `ADDREF()` argument values, resulting in a UAF.

Bug found by Ryan @ Calif.io
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