[Bug fortran/84409] New: [F03] check DTIO arguments for character len

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84409

            Bug ID: 84409
           Summary: [F03] check DTIO arguments for character len
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: janus at gcc dot gnu.org
  Target Milestone: ---

https://github.com/nncarlson/gfortran.dg/issues/17

dtio_22.f90 is invalid, which is not detected.