Commit 9604be9c273 for php.net

commit 9604be9c2737155101ad462731d34ab327641126
Merge: f4f33cf6998 7ef3bfec06c
Author: Weilin Du <weilindu@php.net>
Date:   Wed Sep 9 00:21:02 2026 +0800

    Merge branch 'PHP-8.4' into PHP-8.5

    * PHP-8.4:
      Fix sparse set allocation size overflow (#23482)