--TEST--
"with" tag with expression and only
--TEMPLATE--
{% with {foo: 'foo', bar: 'BAZ'} only %}
    {{ foo }}{{ bar }}{{ baz }}
{% endwith %}
--DATA--
return array('foo' => 'baz', 'baz' => 'baz')
--EXCEPTION--
Twig_Error_Runtime: Variable "baz" does not exist in "index.twig" at line 3.