src/hotspot/share/gc/shared/memAllocator.hpp

@@ -53,11 +53,11 @@
       _klass(klass),
       _word_size(word_size)
   { }
 
   // This function clears the memory of the object
-  void mem_clear(HeapWord* mem) const;
+  virtual HeapWord* mem_clear(HeapWord* mem) const;
   // This finish constructing an oop by installing the mark word and the Klass* pointer
   // last. At the point when the Klass pointer is initialized, this is a constructed object
   // that must be parseable as an oop by concurrent collectors.
   oop finish(HeapWord* mem) const;