bug#11144: bootstrap w/gcc-4.8.0 + nonzero MALLOC_PERTURB_ -> ./temacs segfault

[Eli Zaretskii]

> From: Jim Meyering <jim@meyering.net>
> Date: Tue, 10 Apr 2012 11:13:13 +0200
> Cc: 11144@debbugs.gnu.org
> 
> Jim Meyering wrote:
> > Jim Meyering wrote:
> >> Just a heads-up, since release is so near:
> >>
> >>     gcc-4.8.0 vs emacs+MALLOC_PERTURB_ = ./temacs segfault
> >>     http://debbugs.gnu.org/11144
> >>
> >> It would be a shame if gcc-4.8.0 (even test a release) were to
> >> fail to bootstrap emacs with MALLOC_PERTURB_ set to nonzero.
> >
> > This seems to have been fixed, since with the latest from gcc/svn,
> >   git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186106
> > 138bc75d-0d04-0410-961f-82ee72b054a4
> > I can now bootstrap the latest emacs.
> 
> This has struck again, now using gcc version 4.8.0 20120406
> I've reopened the bug.

Why should we consider this an Emacs bug?  Is there any evidence that
it's not a GCC bug, especially since it is coming and going depending
on GCC commits, and that you are using unreleased version of GCC?

P.S.  Please don't CC emacs-devel on bug reports, it causes problems
with the bug tracker, which sometimes creates bogus new bugs.