Merge branch '3.4' into 4.0

* 3.4:
  Fix lock strategy tests
  [travis] cache compiled php extensions
  fix merge
  Allow remember-me factory creation when multiple user providers are configured.
  Add tests for glob loaders
  Improve assertions
  [DI][Routing] Fix tracking of globbed resources
  [Config] Handle Service/EventSubscriberInterface in ReflectionClassResource
  always call the parent class' constructor

DependencyInjection/RegisterListenersPass.php

@@ -84,17 +84,15 @@ public function process(ContainerBuilder $container)
             $def = $container->getDefinition($id);
 
             // We must assume that the class value has been correctly filled, even if the service is created by a factory
-            $class = $container->getParameterBag()->resolveValue($def->getClass());
-            $interface = 'Symfony\Component\EventDispatcher\EventSubscriberInterface';
+            $class = $def->getClass();
 
-            if (!is_subclass_of($class, $interface)) {
-                if (!class_exists($class, false)) {
-                    throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $id));
-                }
-
-                throw new InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $id, $interface));
+            if (!$r = $container->getReflectionClass($class)) {
+                throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $id));
+            }
+            if (!$r->isSubclassOf(EventSubscriberInterface::class)) {
+                throw new InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $id, EventSubscriberInterface::class));
             }
-            $container->addObjectResource($class);
+            $class = $r->name;
 
             ExtractingEventDispatcher::$subscriber = $class;
             $extractingDispatcher->addSubscriber($extractingDispatcher);