* cp/class.c (build_vtable): Rename to build_primary_vtable.
	(prepare_fresh_vtable): Rename to build_secondary_vtable.
	(make_new_vtable): New function.
	(modify_vtable_entry): Handle generation of new vtables correctly.
	(modify_one_vtable): Remove unused parameter.
	(dfs_fixup_vtable_deltas): Likewise.
	(override_one_vtable): Use build_secondary_vtable.
	(finish_struct_1): Use build_primary_vtable and
	build_secondary_vtable.

From-SVN: r31707