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From: "kristopher.kuhlman at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/47601] [OOP] Internal Error: mio_component_ref(): Component not found
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47601

--- Comment #11 from Kris <kristopher.kuhlman at gmail dot com> 2011-04-04 13:33:17 UTC ---
(In reply to comment #10)
> *** Bug 48428 has been marked as a duplicate of this bug. ***

I further reduced the code from bug 48248.  I don't know if this helps, but if
you change the size of the a2n vector from something that refers to a component
of e to an integer, it goes away.

--

mio_component_ref_error.f90:39.41:

    use elliptical_elements, only : line 
                                         1
Internal Error at (1):
mio_component_ref(): Component not found

--

module type_definitions
  implicit none
  private 
  public ::   ellipse 

  type :: matching 
     integer :: n = -999
  end type matching

  type, extends(matching) :: ellipse
  end type ellipse

end module type_definitions

module elliptical_elements
  implicit none
contains
  function line(e) result(a2n)
    use type_definitions, only : ellipse

    type(ellipse), intent(in) :: e
    complex(8), dimension(e%N) :: a2n   ! <- change "e%N" to "10" 
  end function line
end module elliptical_elements

module solution_mod
  implicit none
  private
  public :: matrix_solution
contains
  subroutine matrix_solution(e) 
    use type_definitions, only :  ellipse
    use elliptical_elements, only : line 
    type(ellipse), intent(inout) :: e
    e = line(e)
  end subroutine matrix_solution
end module solution_mod