bug#46494: 28.0.50; [native-comp] Problems with async background compile

[Eli Zaretskii]

> From: Andy Moreton <andrewjmoreton@gmail.com>
> Date: Mon, 08 Mar 2021 00:19:27 +0000
> 
> > I think I found and fixed the problem which caused these abort dialogs
> > to pop up when exiting Emacs while native-compile subprocesses are
> > running.  Please try the latest native-comp branch.
> 
> >From commit 15aa239ba058ef02544e5dfaf066bd985d9b2f4f I tried building
> for for i686-w64-mingw32 using "--with-wide-int" and no longer see the
> abort dialogs (after a few tests with 4 async compiles running), so I
> think this is fixed.

Great, thanks for testing.