[Bug tree-optimization/107346] [13 Regression] gnat.dg/loop_optimization23_pkg.ad failure afer r13-3413-ge10ca9544632db

[avieira at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107346

--- Comment #3 from avieira at gcc dot gnu.org ---
I am wondering whether I should try to support this, or bail out of
vect_check_gather_scatter if pbitpos is not a multiple of BITS_PER_UNIT. The
latter obviously feels safer.