When attempting to determine iolength of an output list greater than 2^31
bytes, INQUIRE returns a negative value even if xx is kind=8.

program subrecord
  integer, parameter :: arraydim = huge(1_4)/16
  real, dimension(arraydim) :: array
  integer :: x
  integer(kind=8) :: recl
  open(unit=10, file="testfile", form="unformatted", access="sequential")
  print *, "arraydim =",arraydim
  inquire (iolength = recl) array,x,array,x,array,x,array,x,x,x
  print *, "record size =", recl
end program subrecord

$ gfc subrecord.f90 
$ ./a.out
 arraydim =   134217727
 record size =          -2147483640


-- 
           Summary: INQUIRE (iolength = xx) limited to kind=4
           Product: gcc
           Version: 4.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libfortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jvdelisle at gcc dot gnu dot org
  GCC host triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30014

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