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From: "mikael at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/59198] [4.7/4.8/4.9 Regression] ICE on cyclically dependent polymorphic types
Date: Sun, 19 Jan 2014 21:31:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59198

Mikael Morin <mikael at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikael at gcc dot gnu.org

--- Comment #4 from Mikael Morin <mikael at gcc dot gnu.org> ---
Just a bit shorter (without unstable_t type):

module decays

  implicit none

  type :: decay_term_t
     type(decay_t), pointer :: unstable_product
  end type

  type :: decay_gen_t
     type(decay_term_t), allocatable :: term
     procedure(), nopass, pointer :: obs1_int
  end type

  type :: rng_t
  end type

  type, extends (decay_gen_t) :: decay_t
     class(rng_t), allocatable :: rng
  end type

  class(decay_t), pointer :: object

end