[Bug fortran/27989] New: -fbounds-check should check for too small arrays on subroutine calls

[tobias dot burnus at physik dot fu-berlin dot de]

This is with GNU Fortran 95 (GCC) 4.2.0 20060608 (experimental) and 4.1.0 (SUSE
Linux).

The following program has a problem as the passed array is shorter than the
array expected by the subroutine. Currently, gfortran does not detect this
problem.

Expected: Something like
  Actual argument for dummy array A too small - 3 elements instead of 5
(this is the NAG -C=all output)

----------<cut>-----------
program test
  implicit none
  real :: b(3)
  b = 42.0
  call sub(5,b)
end program test

subroutine sub(n,a)
  implicit none
  integer, intent(in) :: n
  real, intent(in) :: a(n)
  print *,a
end subroutine sub
-------<cut>----------------


-- 
           Summary: -fbounds-check should check for too small arrays on
                    subroutine calls
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: tobias dot burnus at physik dot fu-berlin dot de


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27989