Q151675: FIX: Re-throwing Exception Causes Abnormal Program Termination

Article: Q151675
Product(s): Microsoft C Compiler
Version(s): 4.00 4.10 4.20
Operating System(s): 
Keyword(s): kbCompiler kbVC500fix
Last Modified: 31-JUL-2001

-------------------------------------------------------------------------------
The information in this article applies to:

- Microsoft Visual C++, versions 4.0, 4.1 
- Microsoft Visual C++, 32-bit Enterprise Edition, version 4.2 
- Microsoft Visual C++, 32-bit Professional Edition, version 4.2 
-------------------------------------------------------------------------------

SYMPTOMS
========

When creating a temporary object and then re-throwing an exception, as
demonstrated in the sample code in the More Information section of this article,
the application terminates abnormally.


RESOLUTION
==========

See the More Information section for the sample code and the workaround.

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: /GX /O2
     */ 
     class aClass
     {
     public:
        aClass(const char*){} ;
        ~aClass(){} ;
     } ;

     void push(const aClass& val)
     {
     }

     void main()
     {

        int a = 5 ;
        try
        {
           try
           {
              throw a ;
           }
           catch(int)
           {
              //Workaround: uncomment the following 2 lines
              //aClass aObj("ABC") ;
              //push(aObj) ;
              //Comment the line below
              push("ABC") ;
              throw ;
           }
           catch(...)
           {
           }
        }
        catch(...)
        {
        }
     }

Additional query words: kbVC400bug

======================================================================
Keywords          : kbCompiler kbVC500fix 
Technology        : kbVCsearch kbVC400 kbAudDeveloper kbVC410 kbVC420 kbVC32bitSearch
Version           : 4.00 4.10 4.20
Issue type        : kbbug
Solution Type     : kbfix

=============================================================================

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Copyright Microsoft Corporation 1986-2002.