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

[Niko Tyni]

tag 754901 - help
clone 754901 -1
retitle -1 gcc-4.9: tree-dse optimizer regression?
reassign -1 gcc-4.9 4.9.1-2
severity -1 normal
thanks

On Wed, Aug 06, 2014 at 02:22:36PM +0200, Matthias Klose wrote:
> Am 06.08.2014 um 14:17 schrieb Niko Tyni:
> > On Wed, Aug 06, 2014 at 01:50:59PM +0200, Matthias Klose wrote:
> > 
> >> could you attribute the function with
> >> __attribute__((optimize("STRING")))
> >>
> >> e.g. -fno-tree-dse, and build the rest with the default optimization?
> > 
> > Yeah, that works and is certainly an improvement to building with
> > gcc-4.8. 
> > 
> > I doubt I'll be able to determine myself (in any reasonable time) if
> > the actual problem is undefined code or a real gcc bug.
> > 
> > Is it OK by you if I clone a gcc-4.9 bug about this now and just
> > apply the above workaround to libapache2-mod-perl2 ?
> 
> yes please.
 
Thanks, cloning now. I'll be uploading libapache2-mod-perl2 shortly.
-- 
Niko Tyni   ntyni at debian.org