[Bug fortran/21256] New: Illegal use of assumed-sized array in an array expression

["kargl at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

Gfortran is not checking if an assumed sized array is used correctly
in an array expression.  Gfortran compiles the following without an
error or warning

subroutine e(a)
   real, intent(out) :: a(*)
   a = 1.e0
end subroutine

NAG's compiler issues
kargl[210] f95 -c e.f90
Error: e.f90, line 3: Invalid appearance of assumed-size array name A
[f95 error termination]

which is confirmed by Lahey's web based Fortran checker.

-- 
           Summary: Illegal use of assumed-sized array in an array
                    expression
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: kargl at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21256