diff --git a/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php b/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php
index eb4b9fb..80c95bc 100644
--- a/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php
+++ b/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php
@@ -33,6 +33,8 @@ class ForumBreadcrumbBuilder implements BreadcrumbBuilderInterface {
   /**
    * Constructs a new ForumBreadcrumbBuilder.
    *
+   * @param \Drupal\Core\Entity\EntityManager
+   *   The entity manager.
    * @param \Drupal\Core\Config\ConfigFactory $configFactory
    *   The configuration factory.
    */
diff --git a/core/modules/views/lib/Drupal/views/ViewExecutable.php b/core/modules/views/lib/Drupal/views/ViewExecutable.php
index a256a7a..d3bd6b0 100644
--- a/core/modules/views/lib/Drupal/views/ViewExecutable.php
+++ b/core/modules/views/lib/Drupal/views/ViewExecutable.php
@@ -1666,8 +1666,8 @@ public function getBreadcrumb($set = FALSE) {
       }
 
       if ($set) {
-        if ($base && drupal_set_breadcrumb()) {
-          $breadcrumb = array_merge(drupal_set_breadcrumb(), $breadcrumb);
+        if ($base && $current_breadcrumbs = drupal_set_breadcrumb()) {
+          $breadcrumb = array_merge($current_breadcrumbs, $breadcrumb);
         }
         drupal_set_breadcrumb($breadcrumb);
       }