2013-04-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/56992
	* lra-coalesce.c (coalescable_pseudo_p): Remove 2nd parameter and
	related code.
	(lra_coalesce): Remove split_origin_bitmap and related code.
	* lra.c (lra): Coalesce after undoing inheritance.  Recreate live
	ranges if necessary.

2013-04-18  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/56992
	* g++.dg/opt/pr56999.C: New test.

From-SVN: r198082