From a8453dda89104ce0e2ee9f36491709b942a79c09 Mon Sep 17 00:00:00 2001
From: Marco Pivetta <ocramius@gmail.com>
Date: Tue, 22 Aug 2017 21:03:14 +0200
Subject: [PATCH] #6284 removing the "WTF" part of the logic - an association
 cache entry should never ever reach metadata

---
 lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
index 5fa349933..4057455b3 100644
--- a/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
+++ b/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php
@@ -715,6 +715,9 @@ class ClassMetadataInfo implements ClassMetadata
      */
     public function getIdentifierValues($entity)
     {
+        if ($entity instanceof AssociationCacheEntry) {
+            throw new \InvalidArgumentException('WTF DUDE: ' . $entity->class . ' - ' . \serialize($entity->identifier));
+        }
         if ($this->isIdentifierComposite) {
             $id = [];