On 10 October 2016 at 17:33, Eli Zaretskii <eliz@gnu.org> wrote:

> > From: Reuben Thomas <rrt@sc3d.org>
> > Date: Mon, 10 Oct 2016 17:12:36 +0100
> > Cc: 24640@debbugs.gnu.org
> >
> >  I'm not sure. What compiler switches yo used, and what is your GCC
> >  version?
> >
> > ​$ ./config.status --config
> > '--enable-checking=yes,glyphs' '--enable-check-lisp-object-type'
> 'CFLAGS=-O2 -g3'
> > 'PKG_CONFIG_PATH=/home/rrt/.local/lib/x86_64-linux-gnu/
> pkgconfig:/home/rrt/.local/share/pkgconfig'
> > ​$​
> > gcc --version
> > gcc-5.real (Ubuntu 5.4.0-6ubuntu1~16.04.2) 5.4.0 20160609
>
> It would be better to use CFLAGS='-O2 -gdwarf-4 -g3'.
>

​Is that something that should be mentioned in etc/DEBUG, or is it specific
to the problems of debugging optimized code? (Or perhaps both!)

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