re PR middle-end/55456 (454.calculix in SPEC CPU 2006 is miscompiled)

2012-11-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55456
	* lra-int.h (lra_new_regno_start): New external.
	* lra.c (lra_new_regno_start): New global.
	(lra): Set up lra_new_regno_start.
	* lra-constraints.c (match_reload): Sync values only for original
	pseudos.

From-SVN: r193948