--- a/hotspot/src/share/vm/classfile/javaClasses.inline.hpp	Wed Jul 27 18:43:52 2016 +0300
+++ b/hotspot/src/share/vm/classfile/javaClasses.inline.hpp	Thu Jul 28 09:57:49 2016 -0400
@@ -168,11 +168,8 @@
   return obj != NULL && is_subclass(obj->klass());
 }
 
-
-
-
 inline bool java_lang_reflect_Module::is_instance(oop obj) {
-  return obj != NULL && is_subclass(obj->klass());
+  return obj != NULL && obj->klass() == SystemDictionary::reflect_Module_klass();
 }
 
 inline int Backtrace::merge_bci_and_version(int bci, int version) {