Update deprecated maps before generating optimized code.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 29474b99fd5901cd4e8e9e27fb21a95e84edfd6a..b988d3bf2bfea9a8a990a1f5f6d1fb616224164a 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -3610,6 +3610,12 @@ bool Map::CanBeDeprecated() {
 }
 
 
+Handle<Map> Map::CurrentMapForDeprecated(Handle<Map> map) {
+  if (!map->is_deprecated()) return map;
+  return GeneralizeRepresentation(map, 0, Representation::Smi());
+}
+
+
 void Map::NotifyLeafMapLayoutChange() {
   dependent_code()->DeoptimizeDependentCodeGroup(
       GetIsolate(),