[TypeFeedbackVector] Combine the literals array and the feedback vector.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 00a7b02fd3558ceb12b3a0d863f0ad6f8d2bf243..6a5456240053e864e94f8a313376d2261272b8a6 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -2800,14 +2800,6 @@ void Heap::CreateInitialObjects() {
                                     Smi::kZero);
     empty_type_feedback_vector->set_map(type_feedback_vector_map());
     set_empty_type_feedback_vector(*empty_type_feedback_vector);
-
-    // We use a canonical empty LiteralsArray for all functions that neither
-    // have literals nor need a TypeFeedbackVector (besides the invocation
-    // count special slot).
-    Handle<FixedArray> empty_literals_array =
-        factory->NewFixedArray(1, TENURED);
-    empty_literals_array->set(0, *empty_type_feedback_vector);
-    set_empty_literals_array(*empty_literals_array);
   }
 
   {