Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony-cmf/routing/NestedMatcher/UrlMatcher.php

@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\NestedMatcher;
+
+use Symfony\Component\Routing\Route;
+use Symfony\Component\Routing\RouteCollection;
+use Symfony\Component\Routing\Matcher\UrlMatcher as SymfonyUrlMatcher;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\RequestContext;
+
+use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+
+/**
+ * Extended UrlMatcher to provide an additional interface and enhanced features.
+ *
+ * This class requires Symfony 2.2 for a refactoring done to the symfony UrlMatcher
+ *
+ * @author Larry Garfield
+ */
+class UrlMatcher extends SymfonyUrlMatcher implements FinalMatcherInterface
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function finalMatch(RouteCollection $collection, Request $request)
+    {
+        $this->routes = $collection;
+        $context = new RequestContext();
+        $context->fromRequest($request);
+        $this->setContext($context);
+
+        return $this->match($request->getPathInfo());
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function getAttributes(Route $route, $name, array $attributes)
+    {
+        if ($route instanceof RouteObjectInterface && is_string($route->getRouteKey())) {
+            $name = $route->getRouteKey();
+        }
+        $attributes[RouteObjectInterface::ROUTE_NAME] = $name;
+        $attributes[RouteObjectInterface::ROUTE_OBJECT] = $route;
+
+        return $this->mergeDefaults($attributes, $route->getDefaults());
+    }
+}