[DI] Fix tracking of source class changes for lazy-proxies

Author: nicolas-grekas

Dumper/PhpDumper.php

@@ -398,6 +398,8 @@ private function generateProxyClasses()
             if (!$proxyDumper->isProxyCandidate($definition)) {
                 continue;
             }
+            // register class' reflector for resource tracking
+            $this->container->getReflectionClass($definition->getClass());
             $proxyCode = "\n".$proxyDumper->getProxyCode($definition);
             if ($strip) {
                 $proxyCode = "<?php\n".$proxyCode;
@@ -1043,10 +1045,10 @@ protected function load(\$file, \$lazyLoad = true)
             }
             $code .= <<<EOF
 
-protected function createProxy(\$class, \Closure \$factory)
-{
-    {$proxyLoader}return \$factory();
-}
+    protected function createProxy(\$class, \Closure \$factory)
+    {
+        {$proxyLoader}return \$factory();
+    }
 
 EOF;
             break;