I'm sorry. i'll investigate the problem. But, no time now. Please revert it.
2015/03/07 5:29 "Eli Zaretskii" <eliz@gnu.org>:

> > Date: Thu, 19 Feb 2015 13:44:29 +0200
> > From: Eli Zaretskii <eliz@gnu.org>
> > Cc: 11732-done@debbugs.gnu.org
> >
> > Thanks, I installed your change in the development sources, as commit
> > 37e3549, and I'm marking this bug "done".
>
> Unfortunately, it looks like that change has a devastating effect on
> dialog boxes.  Try clicking File->Open File, and then click anywhere
> inside the file selection dialog that opens: the dialog will disappear
> from the display!
>
> Can you suggest how to fix this new problem?  If we cannot find a
> solution, I'm afraid we will have to revert that commit.
>
> Thanks.
>