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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/114859] [14/15 Regression] Seeing new segmentation
 fault in same_type_as since r14-9752
Date: Fri, 26 Apr 2024 18:27:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114859

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Ah, the following shows what is happening and shows similar IL changes in t=
he
*.optimized dump:
module m1
  type  amg_d_base_solver_type
  contains
    procedure, pass(sv) :: free =3D> amg_d_base_solver_free
  end type amg_d_base_solver_type
  interface
    subroutine amg_d_base_solver_free(sv,x)
      import :: amg_d_base_solver_type
      implicit none
      class(amg_d_base_solver_type), intent(inout) :: sv
      integer,intent(inout)          :: x
    end subroutine amg_d_base_solver_free
  end interface
end module m1
module m2
  use m1
  type  amg_d_base_smoother_type
    class(amg_d_base_solver_type), allocatable :: sv
  contains
    procedure, pass(sm) :: free =3D> amg_d_base_smoother_free
  end type amg_d_base_smoother_type
  interface
    subroutine amg_d_base_smoother_free(sm,x)
      import :: amg_d_base_smoother_type, amg_d_base_solver_type
      implicit none
      class(amg_d_base_smoother_type), intent(inout) :: sm
      integer,intent(inout)          :: x
    end subroutine amg_d_base_smoother_free
  end interface
end module m2
module m3
  use m2
  type amg_d_onelev_type
    class(amg_d_base_smoother_type), allocatable   :: sm
  end type amg_d_onelev_type
end module m3
subroutine foo (level, save1, info)
  use m1
  use m2
  use m3
  type(amg_d_onelev_type), intent(inout) :: level
  class(amg_d_base_smoother_type), allocatable , intent(inout) :: save1
  integer,intent(out) :: info
  info =3D 0
  if (allocated(save1)) then
    call save1%free(info)
    if (info  =3D=3D 0) deallocate(save1,stat=3Dinfo)
    if (info /=3D 0) return
  end if
  allocate(save1, mold=3Dlevel%sm,stat=3Dinfo)
end subroutine=