--TEST--
"enum" function with missing \ escaping
--CONDITION--
\PHP_VERSION_ID >= 80100
--TEMPLATE--
{% for c in enum('Twig\Tests\DummyBackedEnum').cases() %}
    {{~ c.name }}
{% endfor %}
--EXCEPTION--
Twig\Error\SyntaxError: The first argument of the "enum" function must be the name of an enum, "TwigTestsDummyBackedEnum" given in "index.twig" at line 2.