*** old/src/share/vm/prims/jvmtiExport.hpp	Mon Oct 31 17:47:03 2016
--- new/src/share/vm/prims/jvmtiExport.hpp	Mon Oct 31 17:47:03 2016

*** 324,337 ****
--- 324,338 ----
    inline static void set_should_post_class_file_load_hook(bool on)     { _should_post_class_file_load_hook = on;  }
    inline static bool should_post_class_file_load_hook()           {
      JVMTI_ONLY(return _should_post_class_file_load_hook);
      NOT_JVMTI(return false;)
    }
    static void post_class_file_load_hook(Symbol* h_name, Handle class_loader,
+   // Return true if the class was modified by the hook.
+   static bool post_class_file_load_hook(Symbol* h_name, Handle class_loader,
                                          Handle h_protection_domain,
                                          unsigned char **data_ptr, unsigned char **end_ptr,
!                                         JvmtiCachedClassFileData **cache_ptr) NOT_JVMTI_RETURN_(false);
    static void post_native_method_bind(Method* method, address* function_ptr) NOT_JVMTI_RETURN;
    static void post_compiled_method_load(nmethod *nm) NOT_JVMTI_RETURN;
    static void post_dynamic_code_generated(const char *name, const void *code_begin, const void *code_end) NOT_JVMTI_RETURN;
  
    // used to post a CompiledMethodUnload event