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From: "juergen.reuter at desy dot de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/99545] [11 Regression] ICE in gfc_trans_assignment
Date: Thu, 11 Mar 2021 14:43:00 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99545

--- Comment #6 from J=C3=BCrgen Reuter <juergen.reuter at desy dot de> ---
Voila, here is a short reproducer:
module commands

  implicit none
  private

  type, abstract :: range_t
     integer :: step_mode =3D 0
     integer :: n_step =3D 0
  end type range_t

  type, extends (range_t) :: range_int_t
     integer :: i_step =3D 0
  end type range_int_t

  type, extends (range_t) :: range_real_t
     real :: lr_step =3D 0
end type range_real_t

  type :: cmd_scan_t
     private
     class(range_t), dimension(:), allocatable :: range
   contains
     procedure :: compile =3D> cmd_scan_compile
  end type cmd_scan_t

contains

  subroutine cmd_scan_compile (cmd)
    class(cmd_scan_t), intent(inout) :: cmd
    allocate (range_int_t :: cmd%range (3))
    allocate (range_real_t :: cmd%range (3))
  end subroutine cmd_scan_compile

end module commands=