--- /dev/null
+--TEST--
+sandbox tag
+--TEMPLATE--
+{%- sandbox %}
+ {%- include "foo.twig" %}
+
+ {% if 1 %}
+ {%- include "foo.twig" %}
+ {% endif %}
+{%- endsandbox %}
+--TEMPLATE(foo.twig)--
+foo
+--EXCEPTION--
+Twig_Error_Syntax: Only "include" tags are allowed within a "sandbox" section in "index.twig" at line 5.