From 75d5cb1bad123378a0b2202647dd172609a7a541 Mon Sep 17 00:00:00 2001
From: Robin Chalas <robin.chalas@gmail.com>
Date: Sun, 2 Apr 2017 15:23:09 +0200
Subject: [PATCH] Disable resource tracking if the config component is missing

---
 .../Component/DependencyInjection/ContainerBuilder.php | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
index 496adb9426..5bafa94398 100644
--- a/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
+++ b/src/Symfony/Component/DependencyInjection/ContainerBuilder.php
@@ -26,6 +26,7 @@ use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\Config\Resource\ResourceInterface;
 use Symfony\Component\DependencyInjection\LazyProxy\Instantiator\InstantiatorInterface;
 use Symfony\Component\DependencyInjection\LazyProxy\Instantiator\RealServiceInstantiator;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\ExpressionLanguage\Expression;
 use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
 
@@ -73,7 +74,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      */
     private $compiler;
 
-    private $trackResources = true;
+    private $trackResources;
 
     /**
      * @var InstantiatorInterface|null
@@ -90,6 +91,13 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      */
     private $expressionLanguageProviders = array();
 
+    public function __construct(ParameterBagInterface $parameterBag = null)
+    {
+        parent::__construct($parameterBag);
+
+        $this->trackResources = interface_exists('Symfony\Component\Config\Resource\ResourceInterface');
+    }
+
     /**
      * Sets the track resources flag.
      *