Description:
------------
An unterminated multi-line comment (i.e. /* without */) that runs to the end of the file causes the parser to stop upon encountering certain functions (phpinfo() and trigger_error() verified; others not checked).

This behaviour did not occur in 5.2.5 but does occur in 5.2.10

Environment:
PHP Version 5.2.10
FreeBSD [host-removed] 6.2-RELEASE-p12 FreeBSD 6.2-RELEASE-p12 #3: Tue Apr 14 20:41:44 UTC 2009 root@[host-removed]:/usr/obj/usr/src/sys/SERVER i386
Build Date 	Jul 2 2009 15:29:12
Configure Command 	'./configure'
Server API 	Apache
PHP API 	20041225
PHP Extension 	20060613
Zend Extension 	220060519
Apache Version 	Apache
Apache Release 	10339100
Apache API Version 	19990320

Reproduce code:
---------------
<?php

echo 'Test';

if (false) {
  phpinfo();
}

/*

?>

Expected result:
----------------
HTTP 200 OK HEAD
Associated default PHP headers (Date, Connection, Proxy-Connection, Content-Type, Server, X-Powered-By)
Body content 'Test' (content-length 4)

This result is obtained by removing the block comment opener (/*) or by closing the block comment, even if closed AFTER ?>

Actual result:
--------------
HTTP 500 Internal Server Error in HEAD
Default PHP headers (Date, Connection, Proxy-Connection, Date, Content-Type, Server, X-Powered-By)
No output (content-length 0)
No error logged by Apache
Apache does not load ErrorDocument 500

I am unfortunately not in a position to generate a backtrace (shared hosting).