Issue #1911814 follow-up by alexpott, dawehner, damiankloip: Oops. Broken HEAD.

core/lib/Drupal/Core/Config/Entity/ConfigEntityBase.php

@@ -112,8 +112,8 @@ public function disable() {
   /**
    * Implements \Drupal\Core\Config\Entity\ConfigEntityInterface::setStatus().
    */
-  public function setStatus(bool $status) {
-    $this->status = $status;
+  public function setStatus($status) {
+    $this->status = (bool) $status;
     return $this;
   }
 

core/lib/Drupal/Core/Config/Entity/ConfigEntityInterface.php

@@ -57,7 +57,7 @@ public function disable();
    * @return \Drupal\Core\Config\Entity\ConfigEntityInterface
    *   The class instance that this method is called on.
    */
-  public function setStatus(bool $status);
+  public function setStatus($status);
 
   /**
    * Returns whether the configuration entity is enabled.

core/modules/views/views_ui/lib/Drupal/views_ui/ViewUI.php

@@ -146,6 +146,13 @@ public function get($property_name, $langcode = NULL) {
     return isset($this->{$property_name}) ? $this->{$property_name} : NULL;
   }
 
+  /**
+   * Implements \Drupal\Core\Config\Entity\ConfigEntityInterface::setStatus().
+   */
+  public function setStatus($status) {
+    return $this->storage->setStatus($status);
+  }
+
   /**
    * Overrides \Drupal\Core\Config\Entity\ConfigEntityBase::set().
    */