*** old/src/share/vm/services/mallocTracker.hpp	Tue Aug 12 07:52:22 2014
--- new/src/share/vm/services/mallocTracker.hpp	Tue Aug 12 07:52:21 2014

*** 169,180 ****
--- 169,181 ----
    // Total malloc'd memory amount
    size_t total() const;
    // Total malloc'd memory used by arenas
    size_t total_arena() const;
  
!   inline size_t thread_count() const {
      return by_type(mtThreadStack)->malloc_count();
+     MallocMemorySnapshot* s = const_cast<MallocMemorySnapshot*>(this); 
+     return s->by_type(mtThreadStack)->malloc_count();
    }
  
    void reset();
  
    void copy_to(MallocMemorySnapshot* s) {