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! { dg-do compile }

!

! PR 43696: [OOP] Bogus error: Passed-object dummy argument must not be POINTER

!

! Contributed by Hans-Werner Boschmann 

MODULE error_stack_module

  implicit none

  type,abstract::serializable_class

   contains

     procedure(ser_DTV_RF),deferred::read_formatted

  end type serializable_class

  abstract interface

     subroutine ser_DTV_RF(dtv,unit,iotype,v_list,iostat,iomsg)

       import serializable_class

       CLASS(serializable_class),INTENT(INOUT) :: dtv

       INTEGER, INTENT(IN) :: unit

       CHARACTER (LEN=*), INTENT(IN) :: iotype

       INTEGER, INTENT(IN) :: v_list(:)

       INTEGER, INTENT(OUT) :: iostat

       CHARACTER (LEN=*), INTENT(INOUT) :: iomsg

     end subroutine ser_DTV_RF

  end interface

  type,extends(serializable_class)::error_type

     class(error_type),pointer::next=>null()

   contains

     procedure::read_formatted=>error_read_formatted

  end type error_type

contains

  recursive subroutine error_read_formatted(dtv,unit,iotype,v_list,iostat,iomsg)

    CLASS(error_type),INTENT(INOUT) :: dtv

    INTEGER, INTENT(IN) :: unit

    CHARACTER (LEN=*), INTENT(IN) :: iotype

    INTEGER, INTENT(IN) :: v_list(:)

    INTEGER, INTENT(OUT) :: iostat

    CHARACTER (LEN=*), INTENT(INOUT) :: iomsg

    character(8),allocatable::type

    character(8),allocatable::next

    call basic_read_string(unit,type)

    call basic_read_string(unit,next)

    if(next=="NEXT")then

       allocate(dtv%next)

       call dtv%next%read_formatted(unit,iotype,v_list,iostat,iomsg)

    end if

  end subroutine error_read_formatted

end MODULE error_stack_module

module b_module

  implicit none

  type::b_type

     class(not_yet_defined_type_type),pointer::b_component  ! { dg-error "is a type that has not been declared" }

  end type b_type

end module b_module

! { dg-final { cleanup-modules "error_stack_module b_module" } }