src/hotspot/share/c1/c1_ValueStack.hpp

*** 202,213 ****
    int lock  (Value obj);
    int unlock();
    Value lock_at(int i) const                     { return _locks.at(i); }
  
    // SSA form IR support
!   void setup_phi_for_stack(BlockBegin* b, int index);
!   void setup_phi_for_local(BlockBegin* b, int index);
  
    // debugging
    void print()  PRODUCT_RETURN;
    void verify() PRODUCT_RETURN;
  };
--- 202,215 ----
    int lock  (Value obj);
    int unlock();
    Value lock_at(int i) const                     { return _locks.at(i); }
  
    // SSA form IR support
!   void setup_phi_for_stack(BlockBegin* b, int index, Value existing_value, Value new_value);
!   void setup_phi_for_local(BlockBegin* b, int index, Value existing_value, Value new_value);
! 
!   ciType* merge_types(Value existing_value, Value new_value);
  
    // debugging
    void print()  PRODUCT_RETURN;
    void verify() PRODUCT_RETURN;
  };