Don't use fast literal if the boilerplate map is still deprecated.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index e974a0e3740c828b4635822b22d5b3e35b86ded5..811b2ffbd1d963abe14460119c93c00d5c1d8ffb 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1542,6 +1542,13 @@ MaybeObject* JSObject::MigrateInstance() {
 }
 
 
+MaybeObject* JSObject::TryMigrateInstance() {
+  Map* new_map = map()->CurrentMapForDeprecated();
+  if (new_map == NULL) return Smi::FromInt(0);
+  return MigrateToMap(new_map);
+}
+
+
 Handle<String> JSObject::ExpectedTransitionKey(Handle<Map> map) {
   AssertNoAllocation no_gc;
   if (!map->HasTransitionArray()) return Handle<String>::null();