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Q163364: FIX: Class-local typedef Causes C1001 in msc1.cpp, Line 1089

Article: Q163364
Product(s): Microsoft C Compiler
Version(s): 4.0 4.1 4.2
Operating System(s): 
Keyword(s): kbcode kbCompiler kbCPPonly kbVC kbVC500fix
Last Modified: 30-JUL-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- The C/C++ Compiler (CL.EXE), included with:
   - Microsoft Visual C++, 32-bit Editions, versions 4.0, 4.1 
   - Microsoft Visual C++, 32-bit Enterprise Edition, version 4.2 
   - Microsoft Visual C++, 32-bit Professional Edition, version 4.2 
-------------------------------------------------------------------------------

SYMPTOMS
========

When you try to use a typedef class name defined local to another class, the
following internal compiler error occurs:

  

   C:\code\cust2\Test.cpp(20) : fatal error C1001: INTERNAL COMPILER
   ERROR (compiler file 'msc1.cpp', line 1089) Please choose the
   Technical Support command on the Visual C++ Help menu, or open
   the Technical Support help file for more information

RESOLUTION
==========

Declare the typedef statement outside class scope to resolve this problem.

STATUS
======

Microsoft has confirmed this to be a bug in the Microsoft products listed at the
beginning of this article. This bug was corrected in Visual C++ version 5.0.

MORE INFORMATION
================

Sample Code
-----------

      /* Compile options needed: none
      */ 

      class Alpha_Helper
      {
         int x;
      };

      class Alpha
      {
         public:
            typedef Alpha_Helper Helper;

      };

      class Beta : public Alpha::Helper
      {
         int b;
      };

Additional query words: kbVC420bug kbDSupport

======================================================================
Keywords          : kbcode kbCompiler kbCPPonly kbVC kbVC500fix 
Technology        : kbVCsearch kbAudDeveloper kbCVCComp
Version           : 4.0 4.1 4.2
Issue type        : kbbug
Solution Type     : kbfix

=============================================================================

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