[turbofan] Use fast stub for ForInPrepare and ForInNext

src/code-factory.h

Index: src/code-factory.h
diff --git a/src/code-factory.h b/src/code-factory.h
index f79d39b5bd413160368a1416f9445f6852e52676..343d08904476b1373cabc6a621d71a6c4201544b 100644
--- a/src/code-factory.h
+++ b/src/code-factory.h
@@ -152,6 +152,9 @@ class V8_EXPORT_PRIVATE CodeFactory final {
   static Callable FastNewSloppyArguments(Isolate* isolate);
   static Callable FastNewStrictArguments(Isolate* isolate);
 
+  static Callable ForInPrepare(Isolate* isolate);
+  static Callable ForInNext(Isolate* isolate);
+
   static Callable CopyFastSmiOrObjectElements(Isolate* isolate);
   static Callable GrowFastDoubleElements(Isolate* isolate);
   static Callable GrowFastSmiOrObjectElements(Isolate* isolate);