runtime error: member access within misaligned address when running phpseclib tests

[danog]

Description

When running the tests of the major PHP library phpseclib (as per #12406), the following runtime assertion crashes the process: https://github.com/danog/php-src/actions/runs/11821057001/job/32934979090#step:11:242

PHP Version

nightly

Operating System

No response