From a0d6d30c9f92898d1003d9d2e55ee333ed6170ae Mon Sep 17 00:00:00 2001
From: Alexander Bauer <contact@alexander-bauer.de>
Date: Sun, 24 Nov 2019 20:12:23 +0100
Subject: [PATCH] [FrameworkBundle][Cache] Don't deep-merge cache pools
 configuration

---
 .../Bundle/FrameworkBundle/DependencyInjection/Configuration.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
index c99106299a58..e6cf770e5883 100644
--- a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
+++ b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -1014,6 +1014,7 @@ private function addCacheSection(ArrayNodeDefinition $rootNode)
                                 ->end()
                                 ->children()
                                     ->arrayNode('adapters')
+                                        ->performNoDeepMerging()
                                         ->info('One or more adapters to chain for creating the pool, defaults to "cache.app".')
                                         ->beforeNormalization()
                                             ->always()->then(function ($values) {