src/share/vm/oops/oopsHierarchy.hpp

*** 124,135 ****
--- 124,138 ----
  
    // from javaCalls.cpp
    operator jobject () const           { return (jobject)obj(); }
    // from javaClasses.cpp
    operator JavaThread* () const       { return (JavaThread*)obj(); }
+ 
+ #ifndef _LP64
    // from jvm.cpp
    operator jlong* () const            { return (jlong*)obj(); }
+ #endif
  
    // from parNewGeneration and other things that want to get to the end of
    // an oop for stuff (like constMethodKlass.cpp, objArrayKlass.cpp)
    operator oop* () const              { return (oop *)obj(); }
  };