[Bug fortran/81773] [Coarray] Get with vector index on lhs leads to incorrect caf_get_by_ref() call.

[vehre at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81773

--- Comment #3 from vehre at gcc dot gnu.org ---
Created attachment 43451
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43451&action=edit
Preliminary patch

First shot on fixing the issue. At least for caf_get() it fixes the issue.