Simplify feedback vector creation and store in SharedFunctionInfo.

src/objects-visiting-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 410 matching lines @@
       HeapObject::RawField(object, AllocationSite::kPointerFieldsBeginOffset),
       HeapObject::RawField(object, AllocationSite::kPointerFieldsEndOffset));
 }
 
 
 template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitCode(
     Map* map, HeapObject* object) {
   Heap* heap = map->GetHeap();
   Code* code = Code::cast(object);
-  if (FLAG_cleanup_code_caches_at_gc) {
-    code->ClearTypeFeedbackInfo(heap);
-  }
   if (FLAG_age_code && !Serializer::enabled()) {
     code->MakeOlder(heap->mark_compact_collector()->marking_parity());
   }
   code->CodeIterateBody<StaticVisitor>(heap);
 }
 
 
 template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitSharedFunctionInfo(
     Map* map, HeapObject* object) {
   Heap* heap = map->GetHeap();
   SharedFunctionInfo* shared = SharedFunctionInfo::cast(object);
   if (shared->ic_age() != heap->global_ic_age()) {
     shared->ResetForNewContext(heap->global_ic_age());
   }
+  if (FLAG_cleanup_code_caches_at_gc) {
+    shared->ClearTypeFeedbackInfo(heap);
+  }
   if (FLAG_cache_optimized_code &&
       FLAG_flush_optimized_code_cache &&
       !shared->optimized_code_map()->IsSmi()) {
     // Always flush the optimized code map if requested by flag.
     shared->ClearOptimizedCodeMap();
   }
   MarkCompactCollector* collector = heap->mark_compact_collector();
   if (collector->is_code_flushing_enabled()) {
     if (FLAG_cache_optimized_code && !shared->optimized_code_map()->IsSmi()) {
       // Add the shared function info holding an optimized code map to
@@ skipping 495 matching lines @@
   RelocIterator it(this, mode_mask);
   for (; !it.done(); it.next()) {
     it.rinfo()->template Visit<StaticVisitor>(heap);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_VISITING_INL_H_