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! { dg-do run }

! { dg-require-effective-target fortran_large_int }

module testmod

  integer,parameter :: k = selected_int_kind (range (0_8) + 1)

contains

  subroutine testoutput (a,b,length,f)

    integer(kind=k),intent(in) :: a

    integer(kind=8),intent(in) ::  b

    integer,intent(in) :: length

    character(len=*),intent(in) :: f

    character(len=length) :: ca

    character(len=length) :: cb

    write (ca,f) a

    write (cb,f) b

    if (ca /= cb) call abort

  end subroutine testoutput

end module testmod

! Testing I/O of large integer kinds (larger than kind=8)

program test

  use testmod

  implicit none

  integer(kind=k) :: x

  character(len=50) :: c1, c2

  call testoutput (0_k,0_8,50,'(I50)')

  call testoutput (1_k,1_8,50,'(I50)')

  call testoutput (-1_k,-1_8,50,'(I50)')

  x = huge(0_8)

  call testoutput (x,huge(0_8),50,'(I50)')

  x = -huge(0_8)

  call testoutput (x,-huge(0_8),50,'(I50)')

end program test

! { dg-final { cleanup-modules "testmod" } }