* decl.c (get_atexit_fn_ptr_type): New function.
	(get_atexit_node): Use it.
	(start_cleanup_fn): Likewise.
	(register_dtor_fn): Use the object's destructor, instead of a
	separate cleanup function, where possible.
	* cp-tree.h (CPTI_ATEXIT_FN_PTR_TYPE): New enumerator.
	(atexit_fn_ptr_type_node): New macro.
	* decl2.c (build_cleanup): Use build_address.
	* g++.dg/init/cleanup3.C: New test.

From-SVN: r125253