--- a/src/hotspot/share/services/threadService.cpp	Tue Jun 05 21:38:38 2018 +0200
+++ b/src/hotspot/share/services/threadService.cpp	Tue Jun 05 19:58:20 2018 -0400
@@ -369,7 +369,7 @@
         }
       } else {
         if (concurrent_locks) {
-          if (waitingToLockBlocker->is_a(SystemDictionary::abstract_ownable_synchronizer_klass())) {
+          if (waitingToLockBlocker->is_a(SystemDictionary::java_util_concurrent_locks_AbstractOwnableSynchronizer_klass())) {
             oop threadObj = java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(waitingToLockBlocker);
             // This JavaThread (if there is one) is protected by the
             // ThreadsListSetter in VM_FindDeadlocks::doit().
@@ -678,8 +678,8 @@
   GrowableArray<oop>* aos_objects = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<oop>(INITIAL_ARRAY_SIZE, true /* C_heap */);
 
   // Find all instances of AbstractOwnableSynchronizer
-  HeapInspection::find_instances_at_safepoint(SystemDictionary::abstract_ownable_synchronizer_klass(),
-                                                aos_objects);
+  HeapInspection::find_instances_at_safepoint(SystemDictionary::java_util_concurrent_locks_AbstractOwnableSynchronizer_klass(),
+                                              aos_objects);
   // Build a map of thread to its owned AQS locks
   build_map(aos_objects);
 
@@ -832,7 +832,7 @@
          _thread_status == java_lang_Thread::PARKED_TIMED)) {
 
     _blocker_object = thread->current_park_blocker();
-    if (_blocker_object != NULL && _blocker_object->is_a(SystemDictionary::abstract_ownable_synchronizer_klass())) {
+    if (_blocker_object != NULL && _blocker_object->is_a(SystemDictionary::java_util_concurrent_locks_AbstractOwnableSynchronizer_klass())) {
       _blocker_object_owner = java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(_blocker_object);
     }
   }
@@ -923,7 +923,7 @@
       st->print("  waiting for ownable synchronizer " INTPTR_FORMAT ", (a %s)",
                 p2i(waitingToLockBlocker),
                 waitingToLockBlocker->klass()->external_name());
-      assert(waitingToLockBlocker->is_a(SystemDictionary::abstract_ownable_synchronizer_klass()),
+      assert(waitingToLockBlocker->is_a(SystemDictionary::java_util_concurrent_locks_AbstractOwnableSynchronizer_klass()),
              "Must be an AbstractOwnableSynchronizer");
       oop ownerObj = java_util_concurrent_locks_AbstractOwnableSynchronizer::get_owner_threadObj(waitingToLockBlocker);
       currentThread = java_lang_Thread::thread(ownerObj);