[Bug tree-optimization/92803] [10 Regression] error: type mismatch in 'vec_perm_expr' since r278764

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92803

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 47425
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47425&action=edit
my patch

testing this, the testcases optimization check likely requires some other
prerequestite from my tree.