[Bug tree-optimization/91909] [10 regression] gcc.dg/vect/vect-cond-4.c fails on armeb after r275898

[rsandifo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91909

--- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
Created attachment 46948
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46948&action=edit
Candidate patch

The attached patch seems to fix it.  Will give it a bit more testing.