add more entropy to generated classnames

- use proxy destination filename to create and md5 salt
- apply fabbot patch
- inline salt generation

src/Symfony/Bridge/ProxyManager/LazyProxy/PhpDumper/ProxyDumper.php

@@ -26,6 +26,11 @@ use Symfony\Component\DependencyInjection\LazyProxy\PhpDumper\DumperInterface;
  */
 class ProxyDumper implements DumperInterface
 {
+    /**
+     * @var string
+     */
+    private $salt;
+
     /**
      * @var LazyLoadingValueHolderGenerator
      */
@@ -38,9 +43,12 @@ class ProxyDumper implements DumperInterface
 
     /**
      * Constructor.
+     *
+     * @param string $salt
      */
-    public function __construct()
+    public function __construct($salt = '')
     {
+        $this->salt = $salt;
         $this->proxyGenerator = new LazyLoadingValueHolderGenerator();
         $this->classGenerator = new BaseGeneratorStrategy();
     }
@@ -109,6 +117,6 @@ EOF;
      */
     private function getProxyClassName(Definition $definition)
     {
-        return str_replace('\\', '', $definition->getClass()).'_'.spl_object_hash($definition);
+        return str_replace('\\', '', $definition->getClass()).'_'.spl_object_hash($definition).$this->salt;
     }
 }

src/Symfony/Component/HttpKernel/Kernel.php

@@ -243,7 +243,7 @@ abstract class Kernel implements KernelInterface, TerminableInterface
     }
 
     /**
-     * {@inheritDoc}
+     * {@inheritdoc}
      *
      * @throws \RuntimeException if a custom resource is hidden by a resource in a derived bundle
      */
@@ -683,7 +683,7 @@ abstract class Kernel implements KernelInterface, TerminableInterface
         $dumper = new PhpDumper($container);
 
         if (class_exists('ProxyManager\Configuration')) {
-            $dumper->setProxyDumper(new ProxyDumper());
+            $dumper->setProxyDumper(new ProxyDumper(md5((string) $cache)));
         }
 
         $content = $dumper->dump(array('class' => $class, 'base_class' => $baseClass, 'file' => (string) $cache));