--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Mon Oct 27 19:15:23 2014 +0000
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Thu Oct 30 10:51:06 2014 +0100
@@ -1248,7 +1248,7 @@
   // The same as above but assume that the caller holds the Heap_lock.
   void collect_locked(GCCause::Cause cause);
 
-  virtual void copy_allocation_context_stats(const jint* contexts,
+  virtual bool copy_allocation_context_stats(const jint* contexts,
                                              jlong* totals,
                                              jbyte* accuracy,
                                              jint len);