* flow.c (flow_delete_insn): If we delete a CODE_LABEL, also remove
	it from the nonlocal_goto_handler_labels list.
	* jump.c (delete_insn): Likewise.
	(jump_optimize_1): Also recompute LABEL_NUSES when we are just
	marking labels.
	* rtl.h (remove_node_from_expr_list): Declare.
	* rtlanal.c (remove_node_from_expr_list): New function.

From-SVN: r26361