Swapped transition array and descriptor array.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index e70f3b1c142cbe8214483bcb23a5dcfdf165319d..df779ec0c595ca584bbcfe5cacd64f17b200a909 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -67,6 +67,7 @@ class Factory {
   Handle<ObjectHashTable> NewObjectHashTable(int at_least_space_for);
 
   Handle<DescriptorArray> NewDescriptorArray(int number_of_descriptors);
+  void SetDescriptors(Handle<Map> map, Handle<DescriptorArray> descriptors);
   Handle<DeoptimizationInputData> NewDeoptimizationInputData(
       int deopt_entry_count,
       PretenureFlag pretenure);