Description:
------------
sb@vmware ~ % cat a.php             
<?php
namespace a;

function b() {}


sb@vmware ~ % cat b.php && php b.php
<?php
require 'a.php';

use a;
b();

Warning: The use statement with non-compound name 'a' has no effect in /home/sb/b.php on line 4

Fatal error: Call to undefined function b() in /home/sb/b.php on line 5


sb@vmware ~ % cat b.php && php b.php
<?php
require 'a.php';

use a::b;
b();

Fatal error: Call to undefined function b() in /home/sb/b.php on line 5

Expected result:
----------------
Not sure.

Actual result:
--------------
See above.