bug#16132: Crash on Windows

[Andy Moreton]

On Fri 13 Dec 2013, Eli Zaretskii wrote:

>> Mingw build of emacs from r115506 running on win7 64bit. Emacs displayed
>> the abort dialog during startup, while desktop mode was restoring
>> buffers. Attaching a debugger:
>
> Please start Emacs from the debugger, and tell what kind of backtrace
> you see then.  The backtrace you collected is not very informative.

I tried that before sending the report - it was an even less informative
SEGV. I've not had much success with gdb recently, and have not yet
determined what chaegs to emacs or the toolchain are responsible.

> If you have non-ASCII file names in your .emacs.desktop file, I
> suspect the latest changes with file-name encoding.
>
> Also, do you have w32-downcase-file-names set non-nil?

All filenames involved are ASCII-only, and w32-downcase-file-names is nil.

>> Lisp Backtrace:
>> "file-system-info" (0x88d2dc)
>
> It would be good to step into file-system-info and see what goes wrong
> there.

I'll report back if I can persuade gdb to report anything more useful.

    AndyM