[Bug rtl-optimization/85180] Infinite loop in RTL DSE optimizer

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180

--- Comment #19 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 9 May 2018, romain.naour at gmail dot com wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180
> 
> Romain Naour <romain.naour at gmail dot com> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |romain.naour at gmail dot com
> 
> --- Comment #18 from Romain Naour <romain.naour at gmail dot com> ---
> (In reply to Richard Biener from comment #17)
> > (In reply to romain.naour from comment #16)
> > > Hi,
> > > 
> > > gcc 7.3.0 is affected by this bug but only on microblaze architecture, see
> > > [1].
> > > Do you plan to backport this patch on gcc 7.x?
> > > It is safe to do so without take the risk to break something with other
> > > architecture or optimization level?
> > > 
> > > Best regards,
> > > Romain
> > > 
> > > [1] http://lists.busybox.net/pipermail/buildroot/2018-April/220156.html
> > 
> > The bug isn't a regression so technically it doesn't qualify.  OTOH it
> > looks reasonably safe to backport and the bug is annoying.  Jakub, would
> > you be ok with a backport?
> 
> Ping?

Jakub said it doesn't qualify give it's too risky.