diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/TwigEnvironmentPass.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/TwigEnvironmentPass.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,44 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\TwigBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+/**
+ * Adds tagged twig.extension services to twig service
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TwigEnvironmentPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (false === $container->hasDefinition('twig')) {
+            return;
+        }
+
+        $definition = $container->getDefinition('twig');
+
+        // Extensions must always be registered before everything else.
+        // For instance, global variable definitions must be registered
+        // afterward. If not, the globals from the extensions will never
+        // be registered.
+        $calls = $definition->getMethodCalls();
+        $definition->setMethodCalls(array());
+        foreach ($container->findTaggedServiceIds('twig.extension') as $id => $attributes) {
+            $definition->addMethodCall('addExtension', array(new Reference($id)));
+        }
+        $definition->setMethodCalls(array_merge($definition->getMethodCalls(), $calls));
+    }
+}