* decl2.c (delete_sanity): Pass integer_zero_node, not
	integer_two_node, to build_vec_delete.
	* init.c (build_array_eh_cleanup): Remove.
	(expand_vec_init_try_block): New function.
	(expand_vec_init_catch_clause): Likewise.
	(build_vec_delete_1): Don't deal with case that auto_delete_vec
	might be integer_two_node anymore.
	(expand_vec_init): Rework for initialization-correctness and
	exception-correctness.
	* typeck2.c (process_init_constructor): Make mutual exclusivity
	of cases more obvious.

From-SVN: r23455