diff -u b/core/lib/Drupal/Core/Utility/ThemeRegistry.php b/core/lib/Drupal/Core/Utility/ThemeRegistry.php --- b/core/lib/Drupal/Core/Utility/ThemeRegistry.php +++ b/core/lib/Drupal/Core/Utility/ThemeRegistry.php @@ -29,6 +29,8 @@ * This is only allowed if all modules and the request method is GET. _theme() * should be very rarely called on POST requests and this avoids polluting * the runtime cache. + * + * @var bool */ protected $persistable = NULL; @@ -56,7 +58,6 @@ /** * Constructs a ThemeRegistry object. * - * * @param string $cid * The cid for the array being cached. * @param \Drupal\Core\Cache\CacheBackendInterface $cache