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! { dg-do compile }
!
! PR fortran/39505
! 
! Test NO_ARG_CHECK
! Copied from assumed_type_1.f90
!
module mpi_interface
  implicit none

  interface !mpi_send
    subroutine MPI_Send (buf, count, datatype, dest, tag, comm, ierr)
!GCC$ attributes NO_ARG_CHECK :: buf
      integer, intent(in) :: buf
      integer, intent(in) :: count
      integer, intent(in) :: datatype
      integer, intent(in) :: dest
      integer, intent(in) :: tag
      integer, intent(in) :: comm
      integer, intent(out):: ierr
    end subroutine
  end interface

  interface !mpi_send2
    subroutine MPI_Send2 (buf, count, datatype, dest, tag, comm, ierr)
!GCC$ attributes NO_ARG_CHECK :: buf
      type(*), intent(in) :: buf(*)
      integer, intent(in) :: count
      integer, intent(in) :: datatype
      integer, intent(in) :: dest
      integer, intent(in) :: tag
      integer, intent(in) :: comm
      integer, intent(out):: ierr
    end subroutine
  end interface

end module

use mpi_interface
  real :: a(3)
  integer :: b(3)
  call foo(a)
  call foo(b)
  call foo(a(1:2))
  call foo(b(1:2))
  call MPI_Send(a, 1, 1,1,1,j,i)
  call MPI_Send(b, 1, 1,1,1,j,i)
  call MPI_Send2(a, 1, 1,1,1,j,i)
  call MPI_Send2(b, 1, 1,1,1,j,i)
contains
    subroutine foo(x)
!GCC$ attributes NO_ARG_CHECK :: x
    real :: x(*)
    call MPI_Send2(x, 1, 1,1,1,j,i)
  end
end