https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23577
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |egallager at gcc dot gnu.org
--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> The warning is done without flow control.
>
> The optmization needs a "full" VRP which keeps of track of discontinuous
> ranges which is too expensive
> really.
...maybe once Project Ranger is merged and we have that info available
on-demand it'll be easier?
