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! { dg-do compile }

!

! Check whether MODULE PROCEDUREs are properly treated

! They need to be contained in a procedure, i.e. an

! interface in another procedure is invalid; they may, however,

! come from a use-associated procedure.

! (The PROCEDURE statement allows also for non-module procedures

!  if there is an explicit interface.)

!

! PR fortran/33228

!

module inclmod

  implicit none

  interface

    subroutine wrong1(a)

      integer :: a

    end subroutine wrong1

  end interface

  interface gen_incl

    module procedure ok1

  end interface gen_incl

  external wrong2

  external wrong3

  real wrong3

contains

  subroutine ok1(f)

    character :: f

  end subroutine ok1

end module inclmod

module a

  use inclmod

  implicit none

  interface gen

    subroutine ok1_a(a,b)

      integer :: a,b

    end subroutine ok1_a

    module procedure ok1, ok2_a

  end interface gen

contains

  subroutine ok2_a(a,b,c)

     integer :: a,b,c

  end subroutine ok2_a

end module a

module b

  use inclmod

  interface gen_wrong_0

    module procedure gen_incl  ! { dg-error "Cannot change attributes" }

  end interface gen_wrong_0

end module b

module c

  use inclmod

  interface gen_wrong_1

    module procedure wrong1  ! { dg-error "is not a module procedure" }

  end interface gen_wrong_1

end module c

module d

  use inclmod

  interface gen_wrong_2

    module procedure wrong2  ! { dg-error "Cannot change attributes" }

  end interface gen_wrong_2

end module d

module e

  use inclmod

  interface gen_wrong_3

    module procedure wrong3  ! { dg-error "Cannot change attributes" }

  end interface gen_wrong_3

end module e

module f

  implicit none

  interface

    subroutine wrong_a(a)

      integer :: a

    end subroutine wrong_a

  end interface

  interface gen_wrong_4

    module procedure wrong_a  ! { dg-error "is not a module procedure" }

  end interface gen_wrong_4

end module f

module g

  implicit none

  external wrong_b

  interface gen_wrong_5

    module procedure wrong_b  ! { dg-error "has no explicit interface" }

  end interface gen_wrong_5

end module g

module h

  implicit none

  external wrong_c

  real wrong_c

  interface gen_wrong_6

    module procedure wrong_c  ! { dg-error "has no explicit interface" }

  end interface gen_wrong_6

end module h

end

! { dg-final { cleanup-modules "a inclmod" } }