bug: undefined variable $macros

[passioneight]

Actual behaviour

An error is thrown when using filter in a deferred block.

Expected behaviour

No error is thrown.

Steps to reproduce

Add the following snippet in your template:

{%- block my_block deferred -%}
    {% for test in test_array|default([])|filter(test => true) %}
    {% endfor %}
{%- endblock -%}