this is an enhancement for the -fwhole-file option. Like many other compilers
it would be good if gfortran would have a way (either default on not) to turn
the errors produced by -fwhole-file into just a warning. In particular, to
allow quasi-standard (type-cheating) abuse of procedures that are called but
have an implicit interface.

ifort: no options, no warnings
g95: no options, some warnings
nag: option (-dusty), warning

> cat test.f90
SUBROUTINE S1(Z)
  REAL, DIMENSION(2,*) :: z
END SUBROUTINE S1

SUBROUTINE T1
  COMPLEX, DIMENSION(10) :: z
  call S1(z)
END SUBROUTINE T1

SUBROUTINE S2(D,N)
   REAL, DIMENSION(N) :: D
END SUBROUTINE

SUBROUTINE T2
   REAL, DIMENSION(:,:), POINTER :: D
   ALLOCATE(D(2,2))
   CALL S2(D(1,1),4)
END SUBROUTINE T2


-- 
           Summary: allow type cheating for procedures with an implicit
                    interface
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jv244 at cam dot ac dot uk


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40006

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