src/hotspot/share/interpreter/bytecodeInterpreter.cpp

roman_version

         if (result == NULL) {
           CALL_VM(InterpreterRuntime::resolve_ldc(THREAD, (Bytecodes::Code) opcode),
                   handle_exception);
           result = THREAD->vm_result();
         }
-        if (result == Universe::the_null_sentinel())
+        if (oopDesc::equals(result, Universe::the_null_sentinel()))
           result = NULL;
 
         VERIFY_OOP(result);
         SET_STACK_OBJECT(result, 0);
         UPDATE_PC_AND_TOS_AND_CONTINUE(incr, 1);