--- a/hotspot/src/share/vm/classfile/systemDictionary.cpp	Tue Feb 14 20:00:28 2017 -0800
+++ b/hotspot/src/share/vm/classfile/systemDictionary.cpp	Wed Feb 15 22:59:57 2017 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -160,17 +160,17 @@
 // Returns true if the passed class loader is the builtin application class loader
 // or a custom system class loader. A customer system class loader can be
 // specified via -Djava.system.class.loader.
-bool SystemDictionary::is_system_class_loader(Handle class_loader) {
-  if (class_loader.is_null()) {
+bool SystemDictionary::is_system_class_loader(oop class_loader) {
+  if (class_loader == NULL) {
     return false;
   }
   return (class_loader->klass() == SystemDictionary::jdk_internal_loader_ClassLoaders_AppClassLoader_klass() ||
-          class_loader() == _java_system_loader);
+          class_loader == _java_system_loader);
 }
 
 // Returns true if the passed class loader is the platform class loader.
-bool SystemDictionary::is_platform_class_loader(Handle class_loader) {
-  if (class_loader.is_null()) {
+bool SystemDictionary::is_platform_class_loader(oop class_loader) {
+  if (class_loader == NULL) {
     return false;
   }
   return (class_loader->klass() == SystemDictionary::jdk_internal_loader_ClassLoaders_PlatformClassLoader_klass());
@@ -662,6 +662,8 @@
 
   Ticks class_load_start_time = Ticks::now();
 
+  HandleMark hm(THREAD);
+
   // Fix for 4474172; see evaluation for more details
   class_loader = Handle(THREAD, java_lang_ClassLoader::non_reflection_class_loader(class_loader()));
   ClassLoaderData *loader_data = register_loader(class_loader, CHECK_NULL);
@@ -1103,6 +1105,8 @@
                                              ClassFileStream* st,
                                              TRAPS) {
 
+  HandleMark hm(THREAD);
+
   // Classloaders that support parallelism, e.g. bootstrap classloader,
   // or all classloaders with UnsyncloadClass do not acquire lock here
   bool DoObjectLock = true;
@@ -1381,6 +1385,7 @@
 
     ClassLoaderData* loader_data = ClassLoaderData::class_loader_data(class_loader());
     {
+      HandleMark hm(THREAD);
       Handle lockObject = compute_loader_lock_object(class_loader, THREAD);
       check_loader_lock_contention(lockObject, THREAD);
       ObjectLocker ol(lockObject, THREAD, true);
@@ -1601,6 +1606,7 @@
 
 void SystemDictionary::define_instance_class(instanceKlassHandle k, TRAPS) {
 
+  HandleMark hm(THREAD);
   ClassLoaderData* loader_data = k->class_loader_data();
   Handle class_loader_h(THREAD, loader_data->class_loader());
 
@@ -2608,8 +2614,9 @@
     SystemDictionary::find_method_handle_type(signature, accessing_klass, CHECK_(empty));
 
   int ref_kind = JVM_REF_invokeVirtual;
-  Handle name_str = StringTable::intern(name, CHECK_(empty));
-  objArrayHandle appendix_box = oopFactory::new_objArray(SystemDictionary::Object_klass(), 1, CHECK_(empty));
+  oop name_oop = StringTable::intern(name, CHECK_(empty));
+  Handle name_str (THREAD, name_oop);
+  objArrayHandle appendix_box = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), 1, CHECK_(empty));
   assert(appendix_box->obj_at(0) == NULL, "");
 
   // This should not happen.  JDK code should take care of that.
@@ -2619,12 +2626,12 @@
 
   // call java.lang.invoke.MethodHandleNatives::linkMethod(... String, MethodType) -> MemberName
   JavaCallArguments args;
-  args.push_oop(accessing_klass()->java_mirror());
+  args.push_oop(Handle(THREAD, accessing_klass()->java_mirror()));
   args.push_int(ref_kind);
-  args.push_oop(klass()->java_mirror());
-  args.push_oop(name_str());
-  args.push_oop(method_type());
-  args.push_oop(appendix_box());
+  args.push_oop(Handle(THREAD, klass()->java_mirror()));
+  args.push_oop(name_str);
+  args.push_oop(method_type);
+  args.push_oop(appendix_box);
   JavaValue result(T_OBJECT);
   JavaCalls::call_static(&result,
                          SystemDictionary::MethodHandleNatives_klass(),
@@ -2682,7 +2689,7 @@
   }
   bool can_be_cached = true;
   int npts = ArgumentCount(signature).size();
-  objArrayHandle pts = oopFactory::new_objArray(SystemDictionary::Class_klass(), npts, CHECK_(empty));
+  objArrayHandle pts = oopFactory::new_objArray_handle(SystemDictionary::Class_klass(), npts, CHECK_(empty));
   int arg = 0;
   Handle rt; // the return type from the signature
   ResourceMark rm(THREAD);
@@ -2725,7 +2732,7 @@
 
   // call java.lang.invoke.MethodHandleNatives::findMethodHandleType(Class rt, Class[] pts) -> MethodType
   JavaCallArguments args(Handle(THREAD, rt()));
-  args.push_oop(pts());
+  args.push_oop(pts);
   JavaValue result(T_OBJECT);
   JavaCalls::call_static(&result,
                          SystemDictionary::MethodHandleNatives_klass(),
@@ -2768,7 +2775,8 @@
     ResourceMark rm(THREAD);
     SignatureStream ss(signature, false);
     if (!ss.is_done()) {
-      oop mirror = ss.as_java_mirror(caller->class_loader(), caller->protection_domain(),
+      oop mirror = ss.as_java_mirror(Handle(THREAD, caller->class_loader()),
+                                     Handle(THREAD, caller->protection_domain()),
                                      SignatureStream::NCDFError, CHECK_(empty));
       type = Handle(THREAD, mirror);
       ss.next();
@@ -2781,11 +2789,11 @@
 
   // call java.lang.invoke.MethodHandleNatives::linkMethodHandleConstant(Class caller, int refKind, Class callee, String name, Object type) -> MethodHandle
   JavaCallArguments args;
-  args.push_oop(caller->java_mirror());  // the referring class
+  args.push_oop(Handle(THREAD, caller->java_mirror()));  // the referring class
   args.push_int(ref_kind);
-  args.push_oop(callee->java_mirror());  // the target class
-  args.push_oop(name());
-  args.push_oop(type());
+  args.push_oop(Handle(THREAD, callee->java_mirror()));  // the target class
+  args.push_oop(name);
+  args.push_oop(type);
   JavaValue result(T_OBJECT);
   JavaCalls::call_static(&result,
                          SystemDictionary::MethodHandleNatives_klass(),
@@ -2832,16 +2840,16 @@
     THROW_MSG_(vmSymbols::java_lang_InternalError(), "bad invokedynamic", empty);
   }
 
-  objArrayHandle appendix_box = oopFactory::new_objArray(SystemDictionary::Object_klass(), 1, CHECK_(empty));
+  objArrayHandle appendix_box = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), 1, CHECK_(empty));
   assert(appendix_box->obj_at(0) == NULL, "");
 
   // call java.lang.invoke.MethodHandleNatives::linkCallSite(caller, bsm, name, mtype, info, &appendix)
   JavaCallArguments args;
-  args.push_oop(caller->java_mirror());
-  args.push_oop(bsm());
-  args.push_oop(method_name());
-  args.push_oop(method_type());
-  args.push_oop(info());
+  args.push_oop(Handle(THREAD, caller->java_mirror()));
+  args.push_oop(bsm);
+  args.push_oop(method_name);
+  args.push_oop(method_type);
+  args.push_oop(info);
   args.push_oop(appendix_box);
   JavaValue result(T_OBJECT);
   JavaCalls::call_static(&result,