Description:
------------
If you compile a Exception who inherits the Exception class throws an PHP error.
bcompiler 1.0.2s.

Test script:
---------------
<?php
class TestException extends Exception {}
echo "ok!";
?>

Expected result:
----------------
ok!

Actual result:
--------------
500 Error code.

In error log file:
PHP Fatal error:  unable to inherit Exception in Unknown on line 0