[Bug ipa/122956] [16 regression] ICE caused by r16-4000 when building LLVM14 with -Ofast -flto=auto

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122956

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #5)
> (In reply to Hongtao Liu from comment #4)
> > (In reply to Andrew Pinski from comment #3)
> > > (In reply to Andrew Pinski from comment #2)
> > > > On a related subject did spec next fix llvm code up for its undefined code?
> > > 
> > > So at least upstream didn't. This would mean spec (again) still depends on
> > > undefined code.
> > 
> > Which part is UD?
> 
> See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113341 and the linked bugs
> there.

Actually there is another few about it. Basically llvm depends on values stored
in a pointer which then calls operator new on it.