[Bug tree-optimization/106630] [13 Regression] ICE: Segmentation fault signal terminated program cc1plus with -O2 since r13-1268-g8c99e307b20c50

rguenther at suse dot de gcc-bugzilla@gcc.gnu.org
Tue Aug 16 07:54:26 GMT 2022


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630

--- Comment #8 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 16 Aug 2022, aldyh at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106630
> 
> --- Comment #7 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
> (In reply to Richard Biener from comment #6)
> 
> > The comment about DOM + missing cprop remains of course.
> 
> This seems like a longstanding problem with DOM (cpropping into PHI args with
> range information), as it's never been properly integrated with evrp (or ranger
> nowadays).  We could put this on a TODO list, I suppose, though I wonder how
> much time we should be sinking into DOM since we've all agreed it's best to
> ultimately replace it with a PRE instance.

Indeed, I wouldn't worry about this for now.


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