--- old/src/hotspot/share/classfile/classLoaderDataGraph.cpp	2019-11-21 11:17:07.387525162 +0100
+++ new/src/hotspot/share/classfile/classLoaderDataGraph.cpp	2019-11-21 11:17:06.983518677 +0100
@@ -59,13 +59,13 @@
   //
   // Any ClassLoaderData added after or during walking the list are prepended to
   // _head. Their claim mark need not be handled here.
-  for (ClassLoaderData* cld = OrderAccess::load_acquire(&_head); cld != NULL; cld = cld->next()) {
+  for (ClassLoaderData* cld = Atomic::load_acquire(&_head); cld != NULL; cld = cld->next()) {
     cld->clear_claim();
   }
 }
 
 void ClassLoaderDataGraph::clear_claimed_marks(int claim) {
- for (ClassLoaderData* cld = OrderAccess::load_acquire(&_head); cld != NULL; cld = cld->next()) {
+ for (ClassLoaderData* cld = Atomic::load_acquire(&_head); cld != NULL; cld = cld->next()) {
     cld->clear_claim(claim);
   }
 }
@@ -220,7 +220,7 @@
 
   // First install the new CLD to the Graph.
   cld->set_next(_head);
-  OrderAccess::release_store(&_head, cld);
+  Atomic::release_store(&_head, cld);
 
   // Next associate with the class_loader.
   if (!is_unsafe_anonymous) {