Revert "Continued fix for 351257. Reusing the feedback vector is too complex."

test/cctest/test-heap.cc

Index: test/cctest/test-heap.cc
diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc
index 07828a9a488143bd2d530ae13071a058b8ba78d6..d8af3d198b1c7dbfb7fddbd32cc1b05edeb73643 100644
--- a/test/cctest/test-heap.cc
+++ b/test/cctest/test-heap.cc
@@ -2857,7 +2857,8 @@ TEST(IncrementalMarkingClearsTypeFeedbackInfo) {
           *v8::Handle<v8::Function>::Cast(
               CcTest::global()->Get(v8_str("f"))));
 
-  Handle<FixedArray> feedback_vector(f->shared()->feedback_vector());
+  Handle<FixedArray> feedback_vector(TypeFeedbackInfo::cast(
+      f->shared()->code()->type_feedback_info())->feedback_vector());
 
   CHECK_EQ(2, feedback_vector->length());
   CHECK(feedback_vector->get(0)->IsJSFunction());