http://d.puremagic.com/issues/show_bug.cgi?id=6144



--- Comment #10 from Denis Shelomovskij <verylonglogin.reg@gmail.com> 2013-03-07 15:11:43 MSK ---
Filled meta issue 9660 about debugging problem caused by this issue.

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--- Comment #11 from Denis Shelomovskij <verylonglogin.reg@gmail.com> 2013-03-21 13:21:04 MSK ---
(In reply to comment #4)
> This is the disassembly of the offending function:
> ...

No disassembly any more! Now looks like this (with Optlink pulls #4+#5+#6): http://deoma-cmd.ru/files/other/images/Optlink-Issue%207139-in-Visual-Studio.png

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Denis Shelomovskij <verylonglogin.reg@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull


--- Comment #12 from Denis Shelomovskij <verylonglogin.reg@gmail.com> 2013-04-02 16:02:38 MSD ---
I do not understand anything in OPTLINK sources, but:
Addition of `_flush_cvg_temp` in `_output_cv_symbol_align` before failing
`memcpy` call does detrigger Access Violation in OPTLINK (just like for Issue
2436, see `_output_cv_symbol_align` source code).

So here we are: https://github.com/DigitalMars/optlink/pull/8


Note: produced executable from test case from David Simcha's Issue 7139 will link but fail to launch complaining "This is not Win32 executable" as it contains unresolved symbols.

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--- Comment #13 from Walter Bright <bugzilla@digitalmars.com> 2013-04-02 10:54:56 PDT ---
Is the seg fault on the read of the source, or the write of the destination? And what is the value of the source/destination (i.e. is it obviously not a valid pointer)?

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--- Comment #14 from Denis Shelomovskij <verylonglogin.reg@gmail.com> 2013-04-03 10:40:23 MSD ---
(In reply to comment #13)
> Is the seg fault on the read of the source, or the write of the destination? And what is the value of the source/destination (i.e. is it obviously not a valid pointer)?

On the write of the destination of course, just like Issue 2436 or how otherwise flushing CVG temp could solve this?. I also don't understand, why you can't just launch David Simcha's testcase in Visual Studio and see all info with step-by-step debugging yourself (the pull for easy debugging using VS (#6) is here for already two weeks without any attention)?

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
            Version|D2                          |D1 & D2
         Resolution|                            |FIXED


--- Comment #15 from Walter Bright <bugzilla@digitalmars.com> 2013-04-10 02:46:17 PDT ---
https://github.com/DigitalMars/optlink/commit/38c8ee3ca1e80c88d56bf494962585d7e1db00c0

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--- Comment #16 from Walter Bright <bugzilla@digitalmars.com> 2013-04-10 02:55:43 PDT ---
You can pick up a binary with this fix for the moment at:

http://ftp.digitalmars.com/optlink.zip

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