re PR rtl-optimization/86939 (IRA incorrectly creates an interference between a pseudo register and a hard register)

gcc/
	PR rtl-optimization/86939
	* ira-lives.c (make_hard_regno_born): Rename from this...
	(make_hard_regno_live): ... to this.  Remove update to conflict
	information.  Update function comment.
	(make_hard_regno_dead): Add conflict information update.  Update
	function comment.
	(make_object_born): Rename from this...
	(make_object_live): ... to this.  Remove update to conflict information.
	Update function comment.
	(make_object_dead):  Add conflict information update.  Update function
	comment.
	(mark_pseudo_regno_live): Call make_object_live.
	(mark_pseudo_regno_subword_live): Likewise.
	(mark_hard_reg_dead): Update function comment.
	(mark_hard_reg_live): Call make_hard_regno_live.
	(process_bb_node_lives): Likewise.
	* lra-lives.c (make_hard_regno_born): Rename from this...
	(make_hard_regno_live): ... to this.  Remove update to conflict
	information.  Remove now uneeded check_pic_pseudo_p argument.
	Update function comment.
	(make_hard_regno_dead): Add check_pic_pseudo_p argument and add update
	to conflict information.  Update function comment.
	(mark_pseudo_live): Remove update to conflict information.  Update
	function comment.
	(mark_pseudo_dead): Add conflict information update.
	(mark_regno_live): Call make_hard_regno_live.
	(mark_regno_dead): Call make_hard_regno_dead with new arguement.
	(process_bb_lives): Call make_hard_regno_live and make_hard_regno_dead.

From-SVN: r264726