--- a/src/hotspot/share/classfile/modules.cpp	Wed Jul 25 15:38:37 2018 -0400
+++ b/src/hotspot/share/classfile/modules.cpp	Wed Jul 25 21:47:40 2018 +0200
@@ -307,7 +307,7 @@
 
   oop loader = java_lang_Module::loader(module_handle());
   // Make sure loader is not the jdk.internal.reflect.DelegatingClassLoader.
-  if (loader != java_lang_ClassLoader::non_reflection_class_loader(loader)) {
+  if (!oopDesc::equals(loader, java_lang_ClassLoader::non_reflection_class_loader(loader))) {
     THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
               "Class loader is an invalid delegating class loader");
   }