<?php
easter_days(9223372036854775807, 9223372036854775807);
/php-src/ext/calendar/easter.c:94:15: runtime error: signed integer overflow: 9223372036854775807 + 2305843009213693951 cannot be represented in type 'long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /php-src/ext/calendar/easter.c:94:15