1--TEST-- 2CVE-2016-1283, see bug #75207 3--FILE-- 4<?php 5preg_match("/(?:F?+(?:^(?(R)a+\"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'\){97)?J)?J)(?'R'(?'R'\){99|(:(?|(?'R')(\k'R')|((?'R')))H'R'R)(H'R))))))/", "*b\dc"); 6?> 7==DONE== 8--EXPECTF-- 9Warning: preg_match(): Compilation failed: unmatched parentheses at offset %d in %s on line %d 10==DONE== 11