diff -r 38048d4d20e7 -r fd4bc78630b1 hotspot/src/share/vm/classfile/javaClasses.inline.hpp
--- a/hotspot/src/share/vm/classfile/javaClasses.inline.hpp	Fri May 26 13:47:33 2017 -0700
+++ b/hotspot/src/share/vm/classfile/javaClasses.inline.hpp	Sat May 27 09:21:01 2017 -0400
@@ -143,7 +143,11 @@
 }
 
 inline bool java_lang_invoke_MemberName::is_instance(oop obj) {
-  return obj != NULL && is_subclass(obj->klass());
+  return obj != NULL && obj->klass() == SystemDictionary::MemberName_klass();
+}
+
+inline bool java_lang_invoke_ResolvedMethodName::is_instance(oop obj) {
+  return obj != NULL && obj->klass() == SystemDictionary::ResolvedMethodName_klass();
 }
 
 inline bool java_lang_invoke_MethodType::is_instance(oop obj) {