Update Twig to v2.15.4

system/libs/Twig/Node/Expression/VariadicExpression.php

@@ -0,0 +1,24 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Twig\Node\Expression;
+
+use Twig\Compiler;
+
+class VariadicExpression extends ArrayExpression
+{
+    public function compile(Compiler $compiler)
+    {
+        $compiler->raw('...');
+
+        parent::compile($compiler);
+    }
+}