bug#12544: -r110296..110297 causes random crashes in optimized build on Windows

[Eli Zaretskii]

> From: Fabrice Popineau <fabrice.popineau@supelec.fr>
> Date: Mon, 1 Oct 2012 13:32:13 +0200
> Cc: lekktu@gmail.com, 12544@debbugs.gnu.org
> 
> > I think I fixed this in trunk revision 110318.  The problem was that
> > the call to term_ntproc, as part of shutting down Emacs, deleted the
> > critical sections used by the timer threads and by setitimer, so any
> > call to setitimer after that would use an invalid critical section
> > object.  I now make sure any calls to setitimer after deleting the
> > critical sections will return immediately without doing anything.
> >
> >
> The explanation seems fine. The experimentation too : I did a bootstrap
> (64bits full optimization). It ran smoothly.

Great, thanks for testing.