diff --git a/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php b/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php
index 20c9df8..498803c 100644
--- a/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php
+++ b/core/lib/Drupal/Core/DependencyInjection/Dumper/PhpArrayDumper.php
@@ -84,7 +84,7 @@ protected function getServiceDefinitions()
       while (isset($aliases[(string) $id])) {
         $id = $aliases[(string) $id];
       }
-     // $code .= $this->addServiceAlias($alias, $id);
+      $services[$alias] = $this->getServiceAliasDefinition($id);
     }
 
     return $services;
@@ -240,19 +240,24 @@ protected function getServiceDefinition($definition)
   }
 
   /**
-   * Adds a service alias.
+   * Returns a service alias definiton.
    *
    * @param string $alias
    * @param Alias  $id
    *
    * @return string
    */
-  protected function addServiceAlias($alias, $id)
+  protected function getServiceAliasDefinition($id)
   {
     if ($id->isPublic()) {
-      return sprintf("  %s: @%s\n", $alias, $id);
+      return [
+        'alias' => '@' . $id,
+      ];
     } else {
-      return sprintf("  %s:\n    alias: %s\n    public: false", $alias, $id);
+      return [
+        'alias' => '@' . $id,
+        'public' => FALSE,
+      ];
     }
   }
   /**
diff --git a/core/lib/Drupal/Core/DependencyInjection/PhpArray/Container.php b/core/lib/Drupal/Core/DependencyInjection/PhpArray/Container.php
index d5e3efc..bacad60 100644
--- a/core/lib/Drupal/Core/DependencyInjection/PhpArray/Container.php
+++ b/core/lib/Drupal/Core/DependencyInjection/PhpArray/Container.php
@@ -98,6 +98,10 @@ public function get($name, $invalidBehavior = ContainerInterface::EXCEPTION_ON_I
       return $this->services[$name];
     }
 
+    if (isset($definition['alias'])) {
+      return $this->get(substr($definition['alias'], 1), $invalidBehavior);
+    }
+
     $this->loading[$name] = TRUE;
 
     $definition += array(