[Bug tree-optimization/22071] [4.1 regression] ICE in first_vi_for_offset, at tree-ssa-structalias.c:2506

["dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From dberlin at gcc dot gnu dot org  2005-06-22 19:23 -------
Subject: Re:  [4.1 regression] ICE in
	first_vi_for_offset, at tree-ssa-structalias.c:2506

On Wed, 2005-06-22 at 19:02 +0000, pinskia at physics dot uc dot edu
wrote:
> ------- Additional Comments From pinskia at physics dot uc dot edu  2005-06-22 19:02 -------
> Subject: Re:  [4.1 regression] ICE in first_vi_for_offset, at tree-ssa-structalias.c:2506
> 
> 
> On Jun 22, 2005, at 2:59 PM, bkoz at gcc dot gnu dot org wrote:
> 
> >
> > ------- Additional Comments From bkoz at gcc dot gnu dot org  
> > 2005-06-22 18:59 -------
> >
> > Ah, the old "can't find the tunnel at the end of the bridge at the end 
> > of this
> > hole" problem. Bummer. I hate it when that happens.
> >
> > Is there an easier way than -O0 to revert back to the old behavior?
> 
> yes -fno-tree-salias.
> 

No, that won't help either :)


There is no way to revert to the old behavior, you'd have to add flags
for PTA, which will break the SSA path, since we rely on it)



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22071