wp-includes/sodium_compat/src/Core/Util.php:533$leftstring$rightstringint public static function memcmp($left, $right) { $e = (int) !self::hashEquals($left, $right); return 0 - $e; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Core/Util.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.