diff --git a/core/lib/Drupal/Core/Menu/MenuLinkDefault.php b/core/lib/Drupal/Core/Menu/MenuLinkDefault.php
index c17fe79..295ac92 100644
--- a/core/lib/Drupal/Core/Menu/MenuLinkDefault.php
+++ b/core/lib/Drupal/Core/Menu/MenuLinkDefault.php
@@ -96,7 +96,7 @@ public function updateLink(array $new_definition_values, $persist) {
     if ($persist) {
       // Always save the menu name as an override to avoid defaulting to tools.
       $overrides['menu_name'] = $this->pluginDefinition['menu_name'];
-      $this->staticOverride->saveOverride($this->getPluginId(), $overrides);
+      $this->staticOverride->saveOverride($this->getPluginId(), $this->pluginDefinition);
     }
     return $this->pluginDefinition;
   }
diff --git a/core/modules/menu_ui/src/Tests/MenuLinkReorderTest.php b/core/modules/menu_ui/src/Tests/MenuLinkReorderTest.php
new file mode 100644
index 0000000..d909077
--- /dev/null
+++ b/core/modules/menu_ui/src/Tests/MenuLinkReorderTest.php
@@ -0,0 +1,71 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\menu_ui\Tests\MenuLinkReorderTest.
+ */
+
+namespace Drupal\menu_ui\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Reorder menu items.
+ *
+ * @group menu_ui
+ */
+class MenuLinkReorderTest extends WebTestBase {
+
+  /**
+   * An administrator user.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $administrator;
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('menu_ui', 'test_page_test', 'node', 'block');
+
+  /**
+   * Test creating, editing, deleting menu links via node form widget.
+   */
+  function testDefaultMenuLinkReorder() {
+
+    // Add the main menu block.
+    $this->drupalPlaceBlock('system_menu_block:main');
+
+    // Assert that the Home link is available.
+    $this->drupalGet('test-page');
+    $this->assertLink('Home');
+
+    // The administrator user that can re-order menu links.
+    $this->administrator = $this->drupalCreateUser(array(
+      'administer site configuration',
+      'access administration pages',
+      'administer menu',
+    ));
+    $this->drupalLogin($this->administrator);
+
+    // Change the weight of the link to a non default value.
+    $edit = array(
+      'links[menu_plugin_id:test_page_test.front_page][weight]' => -10,
+    );
+    $this->drupalPostForm('admin/structure/menu/manage/main', $edit, t('Save'));
+
+    // The link is still there.
+    $this->drupalGet('test-page');
+    $this->assertLink('Home');
+
+    // Clear all caches.
+    $this->drupalPostForm('admin/config/development/performance', [], t('Clear all caches'));
+
+    // Clearing all caches should not affect the state of the menu link.
+    $this->drupalGet('test-page');
+    $this->assertLink('Home');
+
+  }
+}
diff --git a/core/modules/system/tests/modules/test_page_test/test_page_test.links.menu.yml b/core/modules/system/tests/modules/test_page_test/test_page_test.links.menu.yml
index 291fd70..1150688 100644
--- a/core/modules/system/tests/modules/test_page_test/test_page_test.links.menu.yml
+++ b/core/modules/system/tests/modules/test_page_test/test_page_test.links.menu.yml
@@ -2,3 +2,7 @@ test_page_test.test_page:
   route_name: test_page_test.test_page
   title: 'Test front page link'
   weight: 0
+test_page_test.front_page:
+  title: 'Home'
+  route_name: '<front>'
+  menu_name: main
diff --git a/core/tests/Drupal/Tests/Core/Menu/MenuLinkDefaultTest.php b/core/tests/Drupal/Tests/Core/Menu/MenuLinkDefaultTest.php
new file mode 100644
index 0000000..ff7abda
--- /dev/null
+++ b/core/tests/Drupal/Tests/Core/Menu/MenuLinkDefaultTest.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\Core\Menu\MenuLinkDefaultTest.
+ */
+
+namespace Drupal\Tests\Core\Menu;
+
+use Drupal\Core\Menu\MenuLinkDefault;
+use Drupal\Core\Menu\StaticMenuLinkOverridesInterface;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * @coversDefaultClass \Drupal\Core\Menu\MenuLinkDefault
+ * @group Menu
+ */
+class MenuLinkDefaultTest extends UnitTestCase {
+
+  /**
+   * @covers ::updateLink
+   */
+  public function testUpdateLink() {
+    $plugin_definition = [
+      'title' => 'Hey jude',
+      'enabled' => 1,
+      'expanded' => 1,
+      'menu_name' => 'admin',
+      'parent' => '',
+      'weight' => 10,
+    ];
+    $expected_plugin_definition = $plugin_definition;
+    $expected_plugin_definition['weight'] = -10;
+
+    $static_override = $this->prophesize(StaticMenuLinkOverridesInterface::class);
+    $static_override->saveOverride('example_menu_link', $expected_plugin_definition);
+    $static_override = $static_override->reveal();
+
+    $menu_link = new MenuLinkDefault([], 'example_menu_link', $plugin_definition, $static_override);
+
+    $this->assertEquals($expected_plugin_definition, $menu_link->updateLink(['weight' => -10], TRUE));
+  }
+
+  /**
+   * @covers ::updateLink
+   */
+  public function testUpdateLinkWithoutPersist() {
+    $plugin_definition = [
+      'title' => 'Hey jude',
+      'enabled' => 1,
+      'expanded' => 1,
+      'menu_name' => 'admin',
+      'parent' => '',
+      'weight' => 10,
+    ];
+    $expected_plugin_definition = $plugin_definition;
+    $expected_plugin_definition['weight'] = -10;
+
+    $static_override = $this->prophesize(StaticMenuLinkOverridesInterface::class);
+    $static_override->saveOverride()->shouldNotBeCalled();
+    $static_override = $static_override->reveal();
+
+    $menu_link = new MenuLinkDefault([], 'example_menu_link', $plugin_definition, $static_override);
+
+    $this->assertEquals($expected_plugin_definition, $menu_link->updateLink(['weight' => -10], FALSE));
+  }
+
+}