gcc/
	* ira.h (ira_finish_once): Delete.
	* ira-int.h (target_ira_int::~target_ira_int): Declare.
	(target_ira_int::free_ira_costs): Likewise.
	(target_ira_int::free_register_move_costs): Likewise.
	(ira_finish_costs_once): Delete.
	* ira.c (free_register_move_costs): Replace with...
	(target_ira_int::free_register_move_costs): ...this new function.
	(target_ira_int::~target_ira_int): Define.
	(ira_init): Call free_register_move_costs as a member function rather
	than a global function.
	(ira_finish_once): Delete.
	* ira-costs.c (free_ira_costs): Replace with...
	(target_ira_int::free_ira_costs): ...this new function.
	(ira_init_costs): Call free_ira_costs as a member function rather
	than a global function.
	(ira_finish_costs_once): Delete.
	* target-globals.c (target_globals::~target_globals): Call the
	target_ira_int destructor.
	* toplev.c: Include lra.h.
	(finalize): Call lra_finish_once rather than ira_finish_once.

From-SVN: r215200