re PR middle-end/49990 (Regression: Bootstrap failure for x86_64-*-mingw32 in libfortran)

2011-08-08  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/49990
	* ira-costs.c (print_allocno_costs, print_pseudo_costs): Don't
	ignore classes which can not change mode.
	(find_costs_and_classes): Ditto.

From-SVN: r177575