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Q149140: BUG: Access Violation Writing Namelist With Equivalence Member |
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Article: Q149140
Product(s): Microsoft Fortran Compiler
Version(s): 4.0
Operating System(s):
Keyword(s): kbFortranPS kbLangFortrankbbuglist
Last Modified: 06-NOV-1999
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The information in this article applies to:
- Microsoft Fortran PowerStation for Windows 95 and Windows NT, version 4.0
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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:
<program> caused an invalid page fault in module <program.exe>.
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.
MORE INFORMATION
================
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
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Keywords : kbFortranPS kbLangFortran kbbuglist
Technology : kbAudDeveloper kbPTProdChange kbFortranSearch kbFORTRANPower400NT
Version : :4.0
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