src/share/vm/compiler/oopMap.hpp

*** 41,50 ****
--- 41,51 ----
  // OopMapValue describes a single OopMap entry
  
  class frame;
  class RegisterMap;
  class DerivedPointerEntry;
+ class OopClosure;
  
  class OopMapValue: public StackObj {
    friend class VMStructs;
  private:
    short _value;