* except.c: Remove register_exception_table{,_p}.
	* decl2.c (finish_file): Remove call to register_exception_table.
	* cp-tree.def: Add AGGR_INIT_EXPR.
	* error.c, tree.c, typeck.c: Replace uses of NEW_EXPR with
	AGGR_INIT_EXPR where appropriate.
	* expr.c (cplus_expand_expr): Likewise.  Simplify.

From-SVN: r17132