--TEST--
GH-16229 (Address overflowed in ext/mbstring/mbstring.c:4613 #16229)
--EXTENSIONS--
mbstring
--INI--
sendmail_path={MAIL:{PWD}/mb_send_mail_gh16229.eml}
mail.add_x_header=off
--SKIPIF--
<?php
if (!function_exists("mb_send_mail") || !mb_language("japanese")) {
    die("skip mb_send_mail() not available");
}
?>
--FILE--
<?php
try {
	$a = false;
	mb_send_mail($a,$a,$a,$a,$a);
} catch (Exception $e) {
}
?>
--CLEAN--
<?php
@unlink(__DIR__ . "/mb_send_mail_gh16229.eml");
?>
--EXPECTF--