diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Component/DependencyInjection/Compiler/RemovePrivateAliasesPass.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Compiler/RemovePrivateAliasesPass.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\Component\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * Remove private aliases from the container. They were only used to establish
+ * dependencies between services, and these dependencies have been resolved in
+ * one of the previous passes.
+ *
+ * @author Johannes M. Schmitt <schmittjoh@gmail.com>
+ */
+class RemovePrivateAliasesPass implements CompilerPassInterface
+{
+    /**
+     * Removes private aliases from the ContainerBuilder
+     *
+     * @param ContainerBuilder $container
+     */
+    public function process(ContainerBuilder $container)
+    {
+        $compiler = $container->getCompiler();
+        $formatter = $compiler->getLoggingFormatter();
+
+        foreach ($container->getAliases() as $id => $alias) {
+            if ($alias->isPublic()) {
+                continue;
+            }
+
+            $container->removeAlias($id);
+            $compiler->addLogMessage($formatter->formatRemoveService($this, $id, 'private alias'));
+        }
+    }
+}