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! { dg-do run }

! { dg-options "-std=f2003 -fall-intrinsics" }

! PR fortran/23994

!

! Test PROTECTED attribute. Within the module everything is allowed.

! Outside (use-associated): For pointers, their association status

! may not be changed. For nonpointers, their value may not be changed.

!

! Test of a valid code

module protmod

  implicit none

  integer          :: a,b

  integer, target  :: at,bt

  integer, pointer :: ap,bp

  protected :: a, at

  protected :: ap

contains

  subroutine setValue()

    a = 43

    ap => null()

    nullify(ap)

    ap => at

    ap = 3

    allocate(ap)

    ap = 73

    call increment(a,ap,at)

    if(a /= 44 .or. ap /= 74 .or. at /= 4) call abort()

  end subroutine setValue

  subroutine increment(a1,a2,a3)

    integer, intent(inout) :: a1, a2, a3

    a1 = a1 + 1

    a2 = a2 + 1

    a3 = a3 + 1

  end subroutine increment

end module protmod

program main

  use protmod

  implicit none

  b = 5

  bp => bt

  bp = 4

  bt = 7

  call setValue()

  if(a /= 44 .or. ap /= 74 .or. at /= 4) call abort()

  call plus5(ap)

  if(a /= 44 .or. ap /= 79 .or. at /= 4) call abort()

  call checkVal(a,ap,at)

contains

  subroutine plus5(j)

    integer, intent(inout) :: j

    j = j + 5

  end subroutine plus5

  subroutine checkVal(x,y,z)

    integer, intent(in) :: x, y, z

    if(a /= 44 .or. ap /= 79 .or. at /= 4) call abort()

  end subroutine

end program main

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