1--TEST--
2Bug GH-15552 (Signed integer overflow in ext/standard/scanf.c)
3--FILE--
4<?php
5var_dump(sscanf('hello','%2147483648$s'));
6?>
7--EXPECTF--
8Fatal error: Uncaught ValueError: "%n$" argument index out of range in %s:%d
9Stack trace:%A
10