Simplify feedback vector creation and store in SharedFunctionInfo.

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 3c3b187f7d02b9b497c47b01eca0de1f4aa58efb..209d546de120106650084fca6dc2403a56118392 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -179,7 +179,6 @@ Handle<TypeFeedbackInfo> Factory::NewTypeFeedbackInfo() {
   Handle<TypeFeedbackInfo> info =
       Handle<TypeFeedbackInfo>::cast(NewStruct(TYPE_FEEDBACK_INFO_TYPE));
   info->initialize_storage();
-  info->set_feedback_vector(*empty_fixed_array(), SKIP_WRITE_BARRIER);
   return info;
 }
 
@@ -1819,10 +1818,12 @@ Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(
     int number_of_literals,
     bool is_generator,
     Handle<Code> code,
-    Handle<ScopeInfo> scope_info) {
+    Handle<ScopeInfo> scope_info,
+    Handle<FixedArray> feedback_vector) {
   Handle<SharedFunctionInfo> shared = NewSharedFunctionInfo(name);
   shared->set_code(*code);
   shared->set_scope_info(*scope_info);
+  shared->set_feedback_vector(*feedback_vector);
   int literals_array_size = number_of_literals;
   // If the function contains object, regexp or array literals,
   // allocate extra space for a literals array prefix containing the
@@ -1880,6 +1881,7 @@ Handle<SharedFunctionInfo> Factory::NewSharedFunctionInfo(Handle<String> name) {
   share->set_script(*undefined_value(), SKIP_WRITE_BARRIER);
   share->set_debug_info(*undefined_value(), SKIP_WRITE_BARRIER);
   share->set_inferred_name(*empty_string(), SKIP_WRITE_BARRIER);
+  share->set_feedback_vector(*empty_fixed_array(), SKIP_WRITE_BARRIER);
   share->set_initial_map(*undefined_value(), SKIP_WRITE_BARRIER);
   share->set_profiler_ticks(0);
   share->set_ast_node_count(0);