Link type feedback vectors to the shared function info.

test/cctest/test-feedback-vector.cc

Index: test/cctest/test-feedback-vector.cc
diff --git a/test/cctest/test-feedback-vector.cc b/test/cctest/test-feedback-vector.cc
index 093970e41ad07d2a00b12a9ed06823870823fe26..0396e76c52e07a4431efd23065ca6716bcedb2a8 100644
--- a/test/cctest/test-feedback-vector.cc
+++ b/test/cctest/test-feedback-vector.cc
@@ -38,13 +38,7 @@ TEST(VectorStructure) {
   Factory* factory = isolate->factory();
   Zone zone(isolate->allocator(), ZONE_NAME);
 
-  // Empty vectors are the empty fixed array.
-  StaticFeedbackVectorSpec empty;
-  Handle<FeedbackVector> vector = NewFeedbackVector(isolate, &empty);
-  CHECK(Handle<FixedArray>::cast(vector).is_identical_to(
-      factory->empty_feedback_vector()));
-  // Which can nonetheless be queried.
-  CHECK(vector->is_empty());
+  Handle<FeedbackVector> vector;
 
   {
     FeedbackVectorSpec one_slot(&zone);