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! { dg-do compile }

! PR fortran/30683

! Code contributed by Salvatore Filippone.

!

module class_fld

   integer, parameter :: int_ = 1

  integer, parameter :: bnd_ = 2

  type fld

     integer                 :: size(2)

  end type fld

  !

  !  This interface is extending the SIZE intrinsic procedure,

  !  which led to a segmentation fault when trying to resolve

  !  the intrinsic symbol name.

  !

  interface size

     module procedure get_fld_size

  end interface

contains

  function get_fld_size(f)

    integer :: get_fld_size(2)

    type(fld), intent(in) :: f

    get_fld_size(int_) = f%size(int_)

    get_fld_size(bnd_) = f%size(bnd_)

  end function get_fld_size

end module class_fld

module class_s_fld

  use class_fld

  type s_fld

     type(fld) :: base

     real(kind(1.d0)), pointer :: x(:)  => null()

  end type s_fld

  interface x_

     module procedure get_s_fld_x

  end interface

contains

  function get_s_fld_x(fld)

    real(kind(1.d0)), pointer :: get_s_fld_x(:)

    type(s_fld), intent(in) :: fld

    get_s_fld_x => fld%x

  end function get_s_fld_x

end module class_s_fld

module class_s_foo

contains

  subroutine solve_s_foo(phi,var)

    use class_s_fld

    type(s_fld), intent(inout) :: phi

    real(kind(1.d0)), intent(out), optional :: var

    integer :: nsz

    real(kind(1.d0)), pointer :: x(:)

    x => x_(phi)

    nsz=size(x)

  end subroutine solve_s_foo

end module class_s_foo

! { dg-final { cleanup-modules "class_s_fld class_fld class_s_foo" } }