[FrameworkBundle][Cache] Don't deep-merge cache pools configuration

alxndrbauer · alxndrbauer · commit 2aece9f5ea04 · 2019-11-24T20:12:23.000+01:00
diff --git a/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php b/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Configuration.php
@@ -1012,6 +1012,7 @@ private function addCacheSection(ArrayNodeDefinition $rootNode)
                                     ->ifTrue(function ($v) { return (isset($v['adapters']) || \is_array($v['adapter'] ?? null)) && isset($v['provider']); })
                                     ->thenInvalid('Pool cannot have a "provider" while "adapter" is set to a map')
                                 ->end()
+                                ->performNoDeepMerging()
                                 ->children()
                                     ->arrayNode('adapters')
                                         ->info('One or more adapters to chain for creating the pool, defaults to "cache.app".')
