Microsoft KB Archive/168374

= FIX: C1001 file 'msc1.cpp', line 1188, Using Recursive Namespace =

Article ID: 168374

Article Last Modified on 12/8/2003

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APPLIES TO


 * Microsoft Visual C++ 5.0 Enterprise Edition
 * Microsoft Visual C++ 6.0 Enterprise Edition
 * Microsoft Visual C++ 5.0 Professional Edition
 * Microsoft Visual C++ 6.0 Professional Edition
 * Microsoft Visual C++ 6.0 Standard Edition

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This article was previously published under Q168374



SYMPTOMS
Using namespace names recursively causes the compiler to generate the following error message:

fatal error C1001: INTERNAL COMPILER ERROR (compiler file 'msc1.cpp', line 1188)



RESOLUTION
Use the "using" directive instead of the "using namespace" directive. Please see the sample in the MORE INFORMATION section of this article for a workaround.



STATUS
Microsoft has confirmed that this is a bug in the Microsoft products that are listed at the beginning of this article.

This problem was corrected in Microsoft Visual C++ .NET.



MORE INFORMATION
The following sample code demonstrates the problem and a workaround:

Sample Code
/*  Compile Options: /GX */   #include

namespace A  { }

namespace B  {

using namespace A;

}

namespace A  {

int Ai ; using namespace B;  }

int f(void) {     using namespace A ; //C1001 here //Workaround: Comment the above line //Uncomment the line below //using A::Ai ; Ai = 100 ; return Ai ; }

void main {     std::cout << "A::Ai = " << f << std::endl ; }

Keywords: kberrmsg kbbug kbfix kbnoupdate kbcode KB168374

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