bug#50453: 27.2; Portable dumper broken on MSW

[Eli Zaretskii]

> From: Po Lu <luangruo@yahoo.com>
> Cc: 50453@debbugs.gnu.org
> Date: Wed, 08 Sep 2021 20:37:34 +0800
> 
> > And second, you are using Emacs on Windows 9X, something that a few
> > people do, so perhaps we have some bug related to that version of
> > Windows.  If you can run Emacs under GDB, please step through
> > pdumper_load and tell where it bails out.
> 
> That is proving to be a problem.  MinGW flat out refuses to start, while
> the GDB from ezwinports complains about "KERNEL32.DLL" missing the
> symbol "AttachConsole".

Yes, latest GDB releases no longer support old Windows versions, even
XP is in danger (although it still works for me).  And MinGW64 dropped
XP support several years ago.

> Do you know how I can obtain a copy of GDB that
> will still work on this old system?  Thanks in advance!

Try the old mingw.org ports from here:

  https://sourceforge.net/projects/mingw/files/MinGW/Extension/gdb/

Thanks.