[Bug tree-optimization/111407] 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 #3 from qinzhao at gcc dot gnu.org ---
(In reply to Andrew Pinski from comment #1)
> Do you have a testcase?

I have, but I cannot expose it to public.
I can provide the Bad IR and Good IR if you think it's okay.