--- /dev/null
+--TEST--
+"extends" tag
+--TEMPLATE--
+{% extends "foo.twig" %}
+
+{% block content %}{{ parent() }}FOO{{ parent() }}{% endblock %}
+--TEMPLATE(foo.twig)--
+{% block content %}BAR{% endblock %}
+--DATA--
+return array()
+--EXPECT--
+BARFOOBAR