Description:
------------
If the log_verbosity_level set to INFO (3) or higher it should output the filename of the script when it is cached. In the logs the filename is an empty string.  

Test script:
---------------
--- php.ini ---
opcache.enable=1
opcache.enable_cli=1
opcache.log_verbosity_level=4

--- script ---
<?php
echo "Hello World!\n";
?>

Expected result:
----------------
Wed Nov 16 19:05:22 2016 (5299): Message Cached script '/tmp/testlogging.php'
Wed Nov 16 19:05:22 2016 (5299): Message Added key 'test.php:189568:189616'
Hello World!

Actual result:
--------------
Wed Nov 16 19:05:22 2016 (5299): Message Cached script ''
Wed Nov 16 19:05:22 2016 (5299): Message Added key 'test.php:189568:189616'
Hello World!