re PR bootstrap/45445 (ARM bootstrap failure: comparison failures after stage 3)

re PR bootstrap/45445 (ARM bootstrap failure: comparison failures after stage 3)

	PR bootstrap/45445
	* ira-lives.c (mark_pseudo_reg_live, mark_pseudo_reg_dead): New
	static functions.
	(mark_ref_live, mark_ref_dead): Use them.
	(make_pseudo_conflict): New arg ORIG_DREG.  All callers changed.
	Save the original reg, and use the new functions.
	(check_and_make_def_use_conflict): New arg ORIG_DREG.  All callers
	changed.
	(check_and_make_def_conflict): Save the original reg.

From-SVN: r165329