diff --git a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
index cd7909fd22..84863a2fb8 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
@@ -460,7 +460,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
         $this->loading[$id] = true;
 
         try {
-            $service = $this->createService($definition, $id);
+            $service = $this->createService($definition, new \SplObjectStorage(), $id);
         } catch (\Exception $e) {
             unset($this->loading[$id]);
 
@@ -846,8 +846,12 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      *
      * @internal this method is public because of PHP 5.3 limitations, do not use it explicitly in your code
      */
-    public function createService(Definition $definition, $id, $tryProxy = true)
+    public function createService(Definition $definition, \SplObjectStorage $inlinedDefinitions, $id = null, $tryProxy = true)
     {
+        if (null === $id && isset($inlinedDefinitions[$definition])) {
+            return $inlinedDefinitions[$definition];
+        }
+
         if ($definition instanceof DefinitionDecorator) {
             throw new RuntimeException(sprintf('Constructing service "%s" from a parent definition is not supported at build time.', $id));
         }
@@ -868,11 +872,11 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
                 ->instantiateProxy(
                     $container,
                     $definition,
-                    $id, function () use ($definition, $id, $container) {
-                        return $container->createService($definition, $id, false);
+                    $id, function () use ($definition, $inlinedDefinitions, $id, $container) {
+                        return $container->createService($definition, $inlinedDefinitions, $id, false);
                     }
                 );
-            $this->shareService($definition, $proxy, $id);
+            $this->shareService($definition, $proxy, $id, $inlinedDefinitions);
 
             return $proxy;
         }
@@ -883,11 +887,11 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
             require_once $parameterBag->resolveValue($definition->getFile());
         }
 
-        $arguments = $this->resolveServices($parameterBag->unescapeValue($parameterBag->resolveValue($definition->getArguments())));
+        $arguments = $this->doResolveServices($parameterBag->unescapeValue($parameterBag->resolveValue($definition->getArguments())), $inlinedDefinitions);
 
         if (null !== $factory = $definition->getFactory()) {
             if (is_array($factory)) {
-                $factory = array($this->resolveServices($parameterBag->resolveValue($factory[0])), $factory[1]);
+                $factory = array($this->doResolveServices($parameterBag->resolveValue($factory[0]), $inlinedDefinitions), $factory[1]);
             } elseif (!is_string($factory)) {
                 throw new RuntimeException(sprintf('Cannot create service "%s" because of invalid factory', $id));
             }
@@ -923,16 +927,16 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
 
         if ($tryProxy || !$definition->isLazy()) {
             // share only if proxying failed, or if not a proxy
-            $this->shareService($definition, $service, $id);
+            $this->shareService($definition, $service, $id, $inlinedDefinitions);
         }
 
-        $properties = $this->resolveServices($parameterBag->unescapeValue($parameterBag->resolveValue($definition->getProperties())));
+        $properties = $this->doResolveServices($parameterBag->unescapeValue($parameterBag->resolveValue($definition->getProperties())), $inlinedDefinitions);
         foreach ($properties as $name => $value) {
             $service->$name = $value;
         }
 
         foreach ($definition->getMethodCalls() as $call) {
-            $this->callMethod($service, $call);
+            $this->callMethod($service, $call, $inlinedDefinitions);
         }
 
         if ($callable = $definition->getConfigurator()) {
@@ -942,7 +946,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
                 if ($callable[0] instanceof Reference) {
                     $callable[0] = $this->get((string) $callable[0], $callable[0]->getInvalidBehavior());
                 } elseif ($callable[0] instanceof Definition) {
-                    $callable[0] = $this->createService($callable[0], null);
+                    $callable[0] = $this->createService($callable[0], $inlinedDefinitions);
                 }
             }
 
@@ -965,15 +969,20 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      *               the real service instances and all expressions evaluated
      */
     public function resolveServices($value)
+    {
+        return $this->doResolveServices($value, new \SplObjectStorage());
+    }
+
+    private function doResolveServices($value, \SplObjectStorage $inlinedDefinitions)
     {
         if (is_array($value)) {
             foreach ($value as $k => $v) {
-                $value[$k] = $this->resolveServices($v);
+                $value[$k] = $this->doResolveServices($v, $inlinedDefinitions);
             }
         } elseif ($value instanceof Reference) {
             $value = $this->get((string) $value, $value->getInvalidBehavior());
         } elseif ($value instanceof Definition) {
-            $value = $this->createService($value, null);
+            $value = $this->createService($value, $inlinedDefinitions);
         } elseif ($value instanceof Expression) {
             $value = $this->getExpressionLanguage()->evaluate($value, array('container' => $this));
         }
@@ -1111,14 +1120,14 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
             foreach ($definition->getMethodCalls() as $call) {
                 foreach ($call[1] as $argument) {
                     if ($argument instanceof Reference && $id == (string) $argument) {
-                        $this->callMethod($this->get($definitionId), $call);
+                        $this->callMethod($this->get($definitionId), $call, new \SplObjectStorage());
                     }
                 }
             }
         }
     }
 
-    private function callMethod($service, $call)
+    private function callMethod($service, $call, \SplObjectStorage $inlinedDefinitions)
     {
         $services = self::getServiceConditionals($call[1]);
 
@@ -1128,7 +1137,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
             }
         }
 
-        call_user_func_array(array($service, $call[0]), $this->resolveServices($this->getParameterBag()->unescapeValue($this->getParameterBag()->resolveValue($call[1]))));
+        call_user_func_array(array($service, $call[0]), $this->doResolveServices($this->getParameterBag()->unescapeValue($this->getParameterBag()->resolveValue($call[1])), $inlinedDefinitions));
     }
 
     /**
@@ -1140,9 +1149,14 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      *
      * @throws InactiveScopeException
      */
-    private function shareService(Definition $definition, $service, $id)
+    private function shareService(Definition $definition, $service, $id, \SplObjectStorage $inlinedDefinitions)
     {
-        if (null !== $id && $definition->isShared() && self::SCOPE_PROTOTYPE !== $scope = $definition->getScope(false)) {
+        if (!$definition->isShared() || self::SCOPE_PROTOTYPE === $scope = $definition->getScope()) {
+            return;
+        }
+        if (null === $id) {
+            $inlinedDefinitions[$definition] = $service;
+        } else {
             if (self::SCOPE_CONTAINER !== $scope && !isset($this->scopedServices[$scope])) {
                 throw new InactiveScopeException($id, $scope);
             }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php b/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
index 3c14bfc198..a0ed572dfe 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/ContainerBuilderTest.php
@@ -72,7 +72,7 @@ class ContainerBuilderTest extends TestCase
         $definition->setDeprecated(true);
 
         $builder = new ContainerBuilder();
-        $builder->createService($definition, 'deprecated_foo');
+        $builder->createService($definition, new \SplObjectStorage(), 'deprecated_foo');
     }
 
     public function testRegister()
@@ -865,6 +865,28 @@ class ContainerBuilderTest extends TestCase
         $this->assertTrue($classInList);
     }
 
+    public function testInlinedDefinitions()
+    {
+        $container = new ContainerBuilder();
+
+        $definition = new Definition('BarClass');
+
+        $container->register('bar_user', 'BarUserClass')
+            ->addArgument($definition)
+            ->setProperty('foo', $definition);
+
+        $container->register('bar', 'BarClass')
+            ->setProperty('foo', $definition)
+            ->addMethodCall('setBaz', array($definition));
+
+        $barUser = $container->get('bar_user');
+        $bar = $container->get('bar');
+
+        $this->assertSame($barUser->foo, $barUser->bar);
+        $this->assertSame($bar->foo, $bar->getBaz());
+        $this->assertNotSame($bar->foo, $barUser->foo);
+    }
+
     public function testInitializePropertiesBeforeMethodCalls()
     {
         $container = new ContainerBuilder();
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php
index 0ecdea3fbf..92db8f3c5e 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/classes.php
@@ -8,7 +8,7 @@ function sc_configure($instance)
     $instance->configure();
 }
 
-class BarClass
+class BarClass extends BazClass
 {
     protected $baz;
     public $foo = 'foo';
diff --git a/src/Symfony/Component/Form/Extension/Core/Type/FileType.php b/src/Symfony/Component/Form/Extension/Core/Type/FileType.php
index b761f14128..9df594a52f 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/FileType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/FileType.php
@@ -34,8 +34,13 @@ class FileType extends AbstractType
 
             if ($options['multiple']) {
                 $data = array();
+                $files = $event->getData();
 
-                foreach ($event->getData() as $file) {
+                if (!is_array($files)) {
+                    $files = array();
+                }
+
+                foreach ($files as $file) {
                     if ($requestHandler->isFileUpload($file)) {
                         $data[] = $file;
                     }
diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
index ca4e918448..55641a2b8d 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
@@ -169,6 +169,24 @@ class FileTypeTest extends BaseTypeTest
         $this->assertCount(1, $form->getData());
     }
 
+    /**
+     * @dataProvider requestHandlerProvider
+     */
+    public function testSubmitNonArrayValueWhenMultiple(RequestHandlerInterface $requestHandler)
+    {
+        $form = $this->factory
+            ->createBuilder(static::TESTED_TYPE, null, array(
+                'multiple' => true,
+            ))
+            ->setRequestHandler($requestHandler)
+            ->getForm();
+        $form->submit(null);
+
+        $this->assertSame(array(), $form->getData());
+        $this->assertSame(array(), $form->getNormData());
+        $this->assertSame(array(), $form->getViewData());
+    }
+
     public function requestHandlerProvider()
     {
         return array(