diff -r 45071514f87a -r 8237a91c1cca src/hotspot/share/services/memoryPool.hpp
--- a/src/hotspot/share/services/memoryPool.hpp	Tue Apr 03 10:27:46 2018 +0200
+++ b/src/hotspot/share/services/memoryPool.hpp	Tue Apr 03 13:15:27 2018 +0200
@@ -26,6 +26,7 @@
 #define SHARE_VM_SERVICES_MEMORYPOOL_HPP
 
 #include "memory/heap.hpp"
+#include "oops/oop.hpp"
 #include "services/memoryUsage.hpp"
 #include "utilities/macros.hpp"
 
@@ -92,7 +93,7 @@
   // max size could be changed
   virtual size_t max_size()    const       { return _max_size; }
 
-  bool is_pool(instanceHandle pool) { return (pool() == _memory_pool_obj); }
+  bool is_pool(instanceHandle pool) { return oopDesc::equals(pool(), _memory_pool_obj); }
 
   bool available_for_allocation()   { return _available_for_allocation; }
   bool set_available_for_allocation(bool value) {