Fortran: Fix finalization resolution with deep copy (cont)

Fortran: Fix finalization resolution with deep copy (cont)

gcc/fortran/ChangeLog:

	* resolve.c (gfc_resolve_finalizers): Remove
	gfc_resolve_finalizers calls, use gfc_is_finalizable.
	(resolve_fl_derived): Resolve derived-type components
	first.

gcc/testsuite/ChangeLog:

	* gfortran.dg/abstract_type_6.f03: Remove dg-error as
	now hidden by other errors; copy to ...
	* gfortran.dg/abstract_type_6a.f03: ... here; remove
	some error to diagnose the error.
	* gfortran.dg/finalize_39.f90: New test.