Microsoft KB Archive/149140

= BUG: Access Violation Writing Namelist With Equivalence Member =

PSS ID Number: 149140

Article Last Modified on 11/6/1999

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The information in this article applies to:


 * Microsoft Fortran PowerStation for Windows 95 and Windows NT 4.0

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This article was previously published under Q149140



SYMPTOMS
Attempting to perform a write of a namelist when one of the namelist variables is equivalenced causes the following application error:

Under Windows 95:

This program has peformed an illegal operation and will be shutdown. If the problem persists, contact the program vendor.

Details:

caused an invalid page fault in module .

Under Windows NT version 3.51:

The instruction at "0x00000000" referenced memory at "0x00000000".

The memory could not be "read".



RESOLUTION
Do not equivalence namelist variables.



STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.



Sample Code to Illustrate Problem
C Compile options needed: none integer i, j     equivalence(i, j)      namelist /list/ i      i = 22 write(*, list)    ! Application error caused by this line end

Additional query words: 4.00

Keywords: kbLangFortran KB149140

Technology: kbAudDeveloper kbFORTRANPower400NT kbFortranSearch kbZNotKeyword8

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