[Bug tree-optimization/111407] [11/12/13 Regression] ICE: SSA corruption due to widening_mul opt on conflict across an abnormal edge

[qinzhao at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111407

--- Comment #13 from qinzhao at gcc dot gnu.org ---
(In reply to Andrew Pinski from comment #12)
> (In reply to qinzhao from comment #10)
> > (In reply to Andrew Pinski from comment #6)
> > the fix has been in GCC14, shall we backport the patch to previous releases?
> 
> Since it is a regression, yes please.

So, How far back should I add the fix? gcc13, gcc12, till ?