[TypeFeedbackVector] Root literal arrays in function literals slots

test/unittests/compiler/js-create-lowering-unittest.cc

Index: test/unittests/compiler/js-create-lowering-unittest.cc
diff --git a/test/unittests/compiler/js-create-lowering-unittest.cc b/test/unittests/compiler/js-create-lowering-unittest.cc
index f4a1192abf167bfae8f6a5c7ef497c7e54dcba31..de3feb8bb1b730267b88359fe97c46f7eb133fb5 100644
--- a/test/unittests/compiler/js-create-lowering-unittest.cc
+++ b/test/unittests/compiler/js-create-lowering-unittest.cc
@@ -142,9 +142,22 @@ TEST_F(JSCreateLoweringTest, JSCreateClosureViaInlinedAllocation) {
   Node* const effect = graph()->start();
   Node* const control = graph()->start();
   Handle<SharedFunctionInfo> shared(isolate()->number_function()->shared());
-  Reduction r =
-      Reduce(graph()->NewNode(javascript()->CreateClosure(shared, NOT_TENURED),
-                              context, effect, control));
+
+  // Create a mock feedback vector.
+  Zone zone(isolate()->allocator(), ZONE_NAME);
+  FeedbackVectorSpec spec(&zone);
+  spec.AddCreateClosureSlot(1);
+  Handle<TypeFeedbackMetadata> metadata =
+      TypeFeedbackMetadata::New(isolate(), &spec);
+  Handle<TypeFeedbackVector> vector =
+      TypeFeedbackVector::New(isolate(), metadata);
+  DCHECK(vector->slot_count() == 1);
+  FeedbackVectorSlot slot(0);
+  VectorSlotPair pair(vector, slot);
+
+  Reduction r = Reduce(
+      graph()->NewNode(javascript()->CreateClosure(shared, pair, NOT_TENURED),
+                       context, effect, control));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(),
               IsFinishRegion(IsAllocate(IsNumberConstant(JSFunction::kSize),