Microsoft KB Archive/124291

= FIX: Access Violation When Using Local Static Const Objects =

Article ID: 124291

Article Last Modified on 10/24/2003

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APPLIES TO


 * Microsoft Visual C++ 1.0 Professional Edition
 * Microsoft Visual C++ 2.0 Professional Edition

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This article was previously published under Q124291



SYMPTOMS
Instantiating a class object that is defined as a local static const may cause runtime access violations. For example, if you run the sample code listed in the "More Information" section of this article, it triggers the system error dialog box to appear with either the application error or the following text at run time:

Unhandled Exception in xxxx.exe: 0xC0000005: Access Violation



RESOLUTION
To work around this problem, use one of these suggestions:


 * Remove the const declaration from the local static class object. -or-


 * Do not instantiate the object as static. -or-


 * Instantiate a global static const object instead of a local one.



STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This problem was corrected in Microsoft Visual C++, 32-bit Edition, version 4.0.



Sample Code to Reproduce Problem
/* Compile options needed: none

class A { public: A(int i){ m_i = i; } int m_i; };

void main(void) {   static const A a1(5); }

Additional query words: 9.00 8.00 1.00 2.00

Keywords: kbbug kbfix KB124291

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