src/share/vm/gc_implementation/g1/ptrQueue.hpp

*** 241,251 ****
    // A mutator thread does the the work of processing a buffer.
    // Returns "true" iff the work is complete (and the buffer may be
    // deallocated).
    virtual bool mut_process_buffer(void** buf) {
      ShouldNotReachHere();
-     return false;
    }
  
  public:
    // Create an empty ptr queue set.
    PtrQueueSet(bool notify_when_complete = false);
--- 241,250 ----