Description:
------------
Attached test script crashes php on OSX. PHP installed using homebrew/php70

pwneable:matatetete fmunozs$ php -v
PHP 7.0.8 (cli) (built: Jun 23 2016 16:32:40) ( NTS )
Copyright (c) 1997-2016 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2016 Zend Technologies

Test script:
---------------
<?php 

var_dump(readline_info());
readline_redisplay();


Expected result:
----------------
No crash

Actual result:
--------------
$ php 9628255794.mac.php 
array(6) {
  ["line_buffer"]=>
  string(0) ""
  ["point"]=>
  int(0)
  ["end"]=>
  int(0)
  ["library_version"]=>
  string(16) "EditLine wrapper"
  ["readline_name"]=>
  string(0) ""
  ["attempted_completion_over"]=>
  int(0)
}
Segmentation fault: 11