Bug#754901: libapache2-mod-perl2: breaks with gcc-4.9

[Niko Tyni]

On Tue, Jul 15, 2014 at 11:31:52PM +0200, Matthias Klose wrote:
> Am 15.07.2014 20:48, schrieb Niko Tyni:
> > Package: libapache2-mod-perl2
> > Version: 2.0.8+httpd24-r1449661-6
> > Severity: important
> > X-Debbugs-Cc: gcc-4.9 at packages.debian.org
> > Tags: help
> > 
> > As seen in #754308, the libapache2-mod-perl2 build segfaults in the
> > test suite when built with gcc 4.9. We have worked around that in
> > 2.0.8+httpd24-r1449661-7 by building with 4.8, but that's not a long
> > term solution.
> > 
> > Cc'ing the gcc maintainers. Should building with gcc-4.8 be considered
> > release critical for jessie?
> 
> I would prefer, if you could check with 4.9 and lowered optimization options
> first, -O1 or -O0 (or -O2 if the package builds with -O3).  If this succeeds, we
> need to find out if it's undefined source code, or a bug in the compiler.

It works at -O0, modulo #756989 (which happens with gcc-4.8 too
but confused me into thinking this was more than just an optimizer
regression.)

Haven't bisected the offending source file yet.
-- 
Niko Tyni   ntyni at debian.org