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

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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

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RESOLUTION

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

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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.

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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;
    };

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APPLIES TO

Microsoft Visual C++ 4.0 Standard Edition
Microsoft Visual C++ 4.1 Subscription
Microsoft Visual C++ 4.2 Enterprise Edition
Microsoft Visual C++ 4.2 Professional Edition

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kbbug kbcode kbcompiler kbcpponly kbfix kbvc500fix KB163364

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Retired KB Content Disclaimer

This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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