bug#18769: 24.4; assertion failed in emacs-24.4 on cygwin x86_64

[Eli Zaretskii]

> Date: Sun, 19 Oct 2014 14:54:49 -0400
> From: Ken Brown <kbrown@cornell.edu>
> CC: 18769@debbugs.gnu.org
> 
> But the problem does seem limited to 64-bit Cygwin, FWIW.

Looks like that, yes.

Is it possible to ask some Cygwin developer to describe all the
threads that are running in a Cygwin Emacs session?  That might give
us ideas wrt which of these threads could be the potential causes for
this.

Thanks.