Knowledge Base

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

Article ID: 163364

Article Last Modified on 7/5/2005


APPLIES TO


This article was previously published under Q163364

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: kbbug kbfix kbvc500fix kbcpponly kbcode kbcompiler KB163364