Issue #2809333 by andypost: Use build array for user login block links

core/modules/user/src/Plugin/Block/UserLoginBlock.php

@@ -98,19 +98,27 @@ public function build() {
     // Build action links.
     $items = array();
     if (\Drupal::config('user.settings')->get('register') != USER_REGISTER_ADMINISTRATORS_ONLY) {
-      $items['create_account'] = \Drupal::l($this->t('Create new account'), new Url('user.register', array(), array(
-        'attributes' => array(
+      $items['create_account'] = [
+        '#type' => 'link',
+        '#title' => $this->t('Create new account'),
+        '#url' => Url::fromRoute('user.register', [], [
+          'attributes' => [
             'title' => $this->t('Create a new user account.'),
-          'class' => array('create-account-link'),
-        ),
-      )));
+            'class' => ['create-account-link'],
+          ],
+        ]),
+      ];
     }
-    $items['request_password'] = \Drupal::l($this->t('Reset your password'), new Url('user.pass', array(), array(
-      'attributes' => array(
+    $items['request_password'] = [
+      '#type' => 'link',
+      '#title' => $this->t('Reset your password'),
+      '#url' => Url::fromRoute('user.pass', [], [
+        'attributes' => [
           'title' => $this->t('Send password reset instructions via email.'),
-        'class' => array('request-password-link'),
-      ),
-    )));
+          'class' => ['request-password-link'],
+        ],
+      ]),
+    ];
     return array(
       'user_login_form' => $form,
       'user_links' => array(