--- old/src/share/vm/gc/shared/collectedHeap.hpp	2016-09-12 15:41:11.198114694 +0200
+++ new/src/share/vm/gc/shared/collectedHeap.hpp	2016-09-12 15:41:11.050114688 +0200
@@ -353,7 +353,7 @@
   // These functions return the addresses of the fields that define the
   // boundaries of the contiguous allocation area.  (These fields should be
   // physically near to one another.)
-  virtual HeapWord** top_addr() const {
+  virtual HeapWord* volatile* top_addr() const {
     guarantee(false, "inline contiguous allocation not supported");
     return NULL;
   }