--- old/src/hotspot/share/gc/z/zPhysicalMemory.hpp	2018-03-14 08:46:57.052528746 +0100
+++ new/src/hotspot/share/gc/z/zPhysicalMemory.hpp	2018-03-14 08:46:56.878521292 +0100
@@ -27,7 +27,7 @@
 #include "memory/allocation.hpp"
 #include OS_CPU_HEADER(zPhysicalMemoryBacking)
 
-class ZPhysicalMemorySegment VALUE_OBJ_CLASS_SPEC {
+class ZPhysicalMemorySegment {
 private:
   uintptr_t _start;
   uintptr_t _end;
@@ -43,7 +43,7 @@
   ZPhysicalMemorySegment split(size_t size);
 };
 
-class ZPhysicalMemory VALUE_OBJ_CLASS_SPEC {
+class ZPhysicalMemory {
 private:
   size_t                  _nsegments;
   ZPhysicalMemorySegment* _segments;
@@ -64,7 +64,7 @@
   void clear();
 };
 
-class ZPhysicalMemoryManager VALUE_OBJ_CLASS_SPEC {
+class ZPhysicalMemoryManager {
   friend class VMStructs;
 
 private: