[TypeFeedbackVector] Root feedback vectors at function literal site.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index ae7bccbf13b1004d52c8fb40b50b0eb1fefc4265..b815a465fa2c9995b8fe0e5caea7378724b67224 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -602,12 +602,12 @@ class V8_EXPORT_PRIVATE Factory final {
 
   Handle<JSFunction> NewFunctionFromSharedFunctionInfo(
       Handle<Map> initial_map, Handle<SharedFunctionInfo> function_info,
-      Handle<Object> context_or_undefined, Handle<TypeFeedbackVector> vector,
+      Handle<Object> context_or_undefined, Handle<Cell> vector,
       PretenureFlag pretenure = TENURED);
 
   Handle<JSFunction> NewFunctionFromSharedFunctionInfo(
       Handle<SharedFunctionInfo> function_info, Handle<Context> context,
-      Handle<TypeFeedbackVector> vector, PretenureFlag pretenure = TENURED);
+      Handle<Cell> vector, PretenureFlag pretenure = TENURED);
 
   Handle<JSFunction> NewFunctionFromSharedFunctionInfo(
       Handle<Map> initial_map, Handle<SharedFunctionInfo> function_info,