diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d0429e150918..1fb815879e3e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-06-10  Hans-Peter Nilsson  <hp@axis.com>
+
+	PR bootstrap/49354
+	* ira-costs.c (setup_regno_cost_classes_by_mode): Add missing cast
+	to last assignment.
+
 2011-06-09  Jan Hubicka  <jh@suse.cz>
 
 	* cgraphunit.c (cgraph_reset_node): Do not set redefined_extern_inline;
diff --git a/gcc/ira-costs.c b/gcc/ira-costs.c
index a22bb1571cc6..1dbb5a734602 100644
--- a/gcc/ira-costs.c
+++ b/gcc/ira-costs.c
@@ -300,7 +300,7 @@ setup_regno_cost_classes_by_mode (int regno, enum machine_mode mode)
 	  *slot = classes_ptr;
 	}
       else
-	classes_ptr = *slot;
+	classes_ptr = (cost_classes_t) *slot;
       cost_classes_mode_cache[mode] = (cost_classes_t) *slot;
     }
   regno_cost_classes[regno] = classes_ptr;