[Bug tree-optimization/109392] [12/13 Regression] ICE in tree_vec_extract, at tree-vect-generic.cc:177

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109392

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2023-04-04
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.

Most likely caused by r12-117-gb972e036f40c .

I think the assert happens because the argument t is abnormal SSA_NAME and
resimplify/maybe_push_res_to_seq decides it can't do anything on it so returns
null.