Simplify feedback vector creation and store in SharedFunctionInfo.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 36b6ae7e2781f91cb1f69e2771f379f06efc19ab..2ef070e02e7a53345ba5e67a0c8b86f870b85bc2 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -5196,6 +5196,8 @@ ACCESSORS(SharedFunctionInfo, name, Object, kNameOffset)
 ACCESSORS(SharedFunctionInfo, optimized_code_map, Object,
                  kOptimizedCodeMapOffset)
 ACCESSORS(SharedFunctionInfo, construct_stub, Code, kConstructStubOffset)
+ACCESSORS(SharedFunctionInfo, feedback_vector, FixedArray,
+          kFeedbackVectorOffset)
 ACCESSORS(SharedFunctionInfo, initial_map, Object, kInitialMapOffset)
 ACCESSORS(SharedFunctionInfo, instance_class_name, Object,
           kInstanceClassNameOffset)
@@ -5454,6 +5456,7 @@ void SharedFunctionInfo::ReplaceCode(Code* value) {
   }
 
   ASSERT(code()->gc_metadata() == NULL && value->gc_metadata() == NULL);
+
   set_code(value);
 }
 
@@ -6922,10 +6925,6 @@ bool TypeFeedbackInfo::matches_inlined_type_change_checksum(int checksum) {
 }
 
 
-ACCESSORS(TypeFeedbackInfo, feedback_vector, FixedArray,
-          kFeedbackVectorOffset)
-
-
 SMI_ACCESSORS(AliasedArgumentsEntry, aliased_context_slot, kAliasedContextSlot)