Fortran] PR 92994 – add more ASSOCIATE checks

        PR fortran/92994
        * primary.c (gfc_match_rvalue): Add some flavor checks
        gfc_matching_procptr_assignment.
        * resolve.c (resolve_assoc_var): Add more checks for invalid targets.

        PR fortran/92994
        * gfortran.dg/associate_50.f90: Update dg-error.
        * gfortran.dg/associate_51.f90: New.

From-SVN: r279853
6 files changed