fix middleware group display

src/Illuminate/Foundation/Console/RouteListCommand.php

@@ -67,6 +67,8 @@ public function __construct(Router $router)
      */
     public function handle()
     {
+        $this->router->flushMiddlewareGroups();
+
         if (empty($this->router->getRoutes())) {
             return $this->error("Your application doesn't have any routes.");
         }
@@ -163,7 +165,7 @@ protected function displayRoutes(array $routes)
     }
 
     /**
-     * Get before filters.
+     * Get the middleware for the route.
      *
      * @param  \Illuminate\Routing\Route  $route
      * @return string

src/Illuminate/Routing/Router.php

@@ -947,6 +947,18 @@ public function pushMiddlewareToGroup($group, $middleware)
         return $this;
     }
 
+    /**
+     * Flush the router's middleware groups.
+     *
+     * @return $this
+     */
+    public function flushMiddlewareGroups()
+    {
+        $this->middlewareGroups = [];
+
+        return $this;
+    }
+
     /**
      * Add a new route parameter binder.
      *