[TypeFeedbackVector] Root feedback vectors at function literal site.

src/interpreter/interpreter-assembler.cc

Index: src/interpreter/interpreter-assembler.cc
diff --git a/src/interpreter/interpreter-assembler.cc b/src/interpreter/interpreter-assembler.cc
index 9e3c65079f18cb28bf89ca69c8305e1ba0e43c1a..d3b84949a16137eeb911490de6d0ef24b790b1b0 100644
--- a/src/interpreter/interpreter-assembler.cc
+++ b/src/interpreter/interpreter-assembler.cc
@@ -467,7 +467,8 @@ Node* InterpreterAssembler::LoadAndUntagConstantPoolEntry(Node* index) {
 
 Node* InterpreterAssembler::LoadTypeFeedbackVector() {
   Node* function = LoadRegister(Register::function_closure());
-  Node* vector = LoadObjectField(function, JSFunction::kFeedbackVectorOffset);
+  Node* cell = LoadObjectField(function, JSFunction::kFeedbackVectorOffset);
+  Node* vector = LoadObjectField(cell, Cell::kValueOffset);
   return vector;
 }