1--TEST-- 2Bug #72710 (`mb_ereg` causes buffer overflow on regexp compile error) 3--SKIPIF-- 4<?php 5if (!extension_loaded('mbstring')) die('skip ext/mbstring required'); 6?> 7--FILE-- 8<?php 9mb_ereg('(?<0>a)', 'a'); 10?> 11--EXPECTF-- 12Warning: mb_ereg(): mbregex compile err: invalid group name <0> in %s on line %d 13