class.c (build_clone): Don't call defer_fn, let mark_used do it.

	* class.c (build_clone): Don't call defer_fn, let mark_used do it.
	* cp-tree.h (defer_fn): Delete.
	* decl2.c (defer_fn): Delete.
	(finish_file): Simplify deferred_fns loops; check that
	only used inline functions get into deferred_fns.
	(mark_used): Inline previous contents of defer_fn.

From-SVN: r83310