[HttpFoundation][HttpKernel] Add more preload always-needed symbols

src/Symfony/Component/HttpFoundation/Request.php

@@ -20,6 +20,7 @@ class_exists(AcceptHeader::class);
 class_exists(FileBag::class);
 class_exists(HeaderBag::class);
 class_exists(HeaderUtils::class);
+class_exists(InputBag::class);
 class_exists(ParameterBag::class);
 class_exists(ServerBag::class);
 

src/Symfony/Component/HttpKernel/Kernel.php

@@ -39,6 +39,9 @@ use Symfony\Component\HttpKernel\Config\FileLocator;
 use Symfony\Component\HttpKernel\DependencyInjection\AddAnnotatedClassesToCachePass;
 use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;
 
+// Help opcache.preload discover always-needed symbols
+class_exists(ConfigCache::class);
+
 /**
  * The Kernel is the heart of the Symfony system.
  *