Microsoft KB Archive/173092

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Knowledge Base

Article ID: 173092

Article Last Modified on 7/5/2005


  • Microsoft Visual C++ 5.0 Enterprise Edition
  • Microsoft Visual C++ 5.0 Professional Edition

This article was previously published under Q173092


Compiling code similar to that in the sample below may cause the following error to be generated:

fatal error C1001: INTERNAL COMPILER ERROR (compiler file 'E:\utc\src\\P2\main.c', line 379)


In the sample below, initializing all the local integers to known values, instead of leaving them uninitialized, will allow the code below to compile without generating the C1001 error.


Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been fixed in Visual Studio 97 Service Pack 3.

For more information, please see the following article in the Microsoft Knowledge Base:

170365 INFO: Visual Studio 97 Service Packs - What, Where, and Why



   // compile options: /Og /c
   struct B;
   struct A {
      B * pB;
   struct B {
      A * pA;
      B * pBnext;
      B * pBb;
   } ;
   void f() {
      int i;    // initialize for workaround
      int j;    // initialize for workaround
      int k = 0;
      B * pB1;
      B * pB2 = 0;
      B * pB3;
      B * rgpB[2];
      int rgi[2];
         rgi[i] = k++;
         pB2 = pB2->pBb;
         rgpB[k] = pB2;
         j = k++;
         pB3 = rgpB[j];
         pB1 = pB3->pA->pB;
         while (pB1)
            pB1 = pB1->pBnext;

Additional query words: ICE

Keywords: kberrmsg kbbug kbfix kbvs97sp2fix kbcpponly kbcompiler KB173092