DOCUMENT:Q272739 03-MAY-2001 [visualc] TITLE :BUG: C2876 with using Declaration on Private Base Class Member PRODUCT :Microsoft C Compiler PROD/VER::6.0 OPER/SYS: KEYWORDS:kbCompiler kbCPPonly kbVC600 kbVC600bug kbDSupport ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - The C/C++ Compiler (CL.EXE), included with: - Microsoft Visual C++, 32-bit Enterprise Edition, version 6.0 - Microsoft Visual C++, 32-bit Professional Edition, version 6.0 - Microsoft Visual C++, 32-bit Learning Edition, version 6.0 ------------------------------------------------------------------------------- SYMPTOMS ======== You may receive the following error message when you compile a source file: error C2876: 'Base::fun' : not all overloads are accessible Please refer to the sample code in the "More Information" section for details. STATUS ====== Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. MORE INFORMATION ================ The compiler does not allow a private base class member name to be injected into a derived class by a using declaration even though the derived class is declared as a friend class of the base class. Steps to Reproduce Behavior --------------------------- The following sample code demonstrates the bug: //test.cpp // compiler option needed: none class Derived; class Base { friend class Derived; void fun(void); }; class Derived : public Base { protected: using Base::fun; }; Additional query words: C2876 ====================================================================== Keywords : kbCompiler kbCPPonly kbVC600 kbVC600bug kbDSupport Technology : kbVCsearch kbAudDeveloper kbCVCComp Version : :6.0 Issue type : kbbug ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.