diff --git a/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
index 38b7fa8..43e8dd9 100644
--- a/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
+++ b/core/lib/Drupal/Core/Config/Entity/ConfigEntityListBuilder.php
@@ -21,7 +21,10 @@ public function load() {
 
     // Sort the entities using the entity class's sort() method.
     // See \Drupal\Core\Config\Entity\ConfigEntityBase::sort().
-    uasort($entities, [$this->entityType->getClass(), 'sort']);
+
+    // Suppress errors because Log::findCaller() will indirectly modify the
+    // contents, triggering https://bugs.php.net/bug.php?id=50688.
+    @uasort($entities, array($this->entityType->getClass(), 'sort'));
     return $entities;
   }
 
diff --git a/core/modules/shortcut/src/Entity/ShortcutSet.php b/core/modules/shortcut/src/Entity/ShortcutSet.php
index 3d3815d..2a74881 100644
--- a/core/modules/shortcut/src/Entity/ShortcutSet.php
+++ b/core/modules/shortcut/src/Entity/ShortcutSet.php
@@ -117,7 +117,9 @@ public function resetLinkWeights() {
    */
   public function getShortcuts() {
     $shortcuts = \Drupal::entityManager()->getStorage('shortcut')->loadByProperties(['shortcut_set' => $this->id()]);
-    uasort($shortcuts, ['\Drupal\shortcut\Entity\Shortcut', 'sort']);
+    // Suppress errors because Log::findCaller() will indirectly modify the
+    // contents, triggering https://bugs.php.net/bug.php?id=50688.
+    @uasort($shortcuts, ['\Drupal\shortcut\Entity\Shortcut', 'sort']);
     return $shortcuts;
   }