Update to Drupal 8.0.0-beta15. For more information, see: https://www.drupal.org/node/2563023

core/vendor/symfony/dependency-injection/Loader/XmlFileLoader.php

@@ -49,7 +49,7 @@ class XmlFileLoader extends FileLoader
         $this->parseImports($xml, $path);
 
         // parameters
-        $this->parseParameters($xml, $path);
+        $this->parseParameters($xml);
 
         // extensions
         $this->loadFromExtensions($xml);
@@ -70,9 +70,8 @@ class XmlFileLoader extends FileLoader
      * Parses parameters.
      *
      * @param \DOMDocument $xml
-     * @param string       $file
      */
-    private function parseParameters(\DOMDocument $xml, $file)
+    private function parseParameters(\DOMDocument $xml)
     {
         if ($parameters = $this->getChildren($xml->documentElement, 'parameters')) {
             $this->container->getParameterBag()->add($this->getArgumentsAsPhp($parameters[0], 'parameter'));

core/vendor/symfony/dependency-injection/ParameterBag/ParameterBagInterface.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\DependencyInjection\ParameterBag;
 
+use Symfony\Component\DependencyInjection\Exception\LogicException;
 use Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException;
 
 /**
@@ -25,6 +26,8 @@ interface ParameterBagInterface
     /**
      * Clears all parameters.
      *
+     * @throws LogicException if the ParameterBagInterface can not be cleared
+     *
      * @api
      */
     public function clear();
@@ -34,6 +37,8 @@ interface ParameterBagInterface
      *
      * @param array $parameters An array of parameters
      *
+     * @throws LogicException if the parameter can not be added
+     *
      * @api
      */
     public function add(array $parameters);
@@ -66,6 +71,8 @@ interface ParameterBagInterface
      * @param string $name  The parameter name
      * @param mixed  $value The parameter value
      *
+     * @throws LogicException if the parameter can not be set
+     *
      * @api
      */
     public function set($name, $value);

core/vendor/symfony/dependency-injection/Tests/ParameterBag/FrozenParameterBagTest.php

@@ -57,4 +57,13 @@ class FrozenParameterBagTest extends \PHPUnit_Framework_TestCase
         $bag = new FrozenParameterBag(array());
         $bag->add(array());
     }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testRemove()
+    {
+        $bag = new FrozenParameterBag(array('foo' => 'bar'));
+        $bag->remove('foo');
+    }
 }