diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 43477183249..20459333351 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-04-13  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR rtl-optimization/48455
+	* ira-costs.c (find_costs_and_classes): Use i_mem_cost instead of
+	`temp_costs->mem_cost'.
+
 2011-04-13  Jan Hubicka  <jh@suse.cz>
 
 	* ipa-inline.h: New file.
diff --git a/gcc/ira-costs.c b/gcc/ira-costs.c
index dd3123c0887..3b113b67da9 100644
--- a/gcc/ira-costs.c
+++ b/gcc/ira-costs.c
@@ -1663,10 +1663,10 @@ find_costs_and_classes (FILE *dump_file)
 		}
 	    }
 	  if (equiv_savings < 0)
-	    temp_costs->mem_cost = -equiv_savings;
+	    i_mem_cost = -equiv_savings;
 	  else if (equiv_savings > 0)
 	    {
-	      temp_costs->mem_cost = 0;
+	      i_mem_cost = 0;
 	      for (k = cost_classes_ptr->num - 1; k >= 0; k--)
 		i_costs[k] += equiv_savings;
 	    }