1 files changed, 4 insertions, 0 deletions
diff --git a/vendor/symfony/http-kernel/Fragment/HIncludeFragmentRenderer.php b/vendor/symfony/http-kernel/Fragment/HIncludeFragmentRenderer.php
index 7b8e761922..9a700a9b11 100644
--- a/vendor/symfony/http-kernel/Fragment/HIncludeFragmentRenderer.php
+++ b/vendor/symfony/http-kernel/Fragment/HIncludeFragmentRenderer.php
@@ -59,6 +59,10 @@ class HIncludeFragmentRenderer extends RoutableFragmentRenderer
             throw new \InvalidArgumentException('The hinclude rendering strategy needs an instance of Twig\Environment or Symfony\Component\Templating\EngineInterface');
         }
 
+        if ($templating instanceof EngineInterface) {
+            @trigger_error(sprintf('Using a "%s" instance for "%s" is deprecated since version 4.3; use a \Twig\Environment instance instead.', EngineInterface::class, __CLASS__), E_USER_DEPRECATED);
+        }
+
         $this->templating = $templating;
     }