Clear recorded slots when creating filler objects.

test/cctest/heap/test-lab.cc

Index: test/cctest/heap/test-lab.cc
diff --git a/test/cctest/heap/test-lab.cc b/test/cctest/heap/test-lab.cc
index 770804f162c15be8ff6e65383624d7d303a6ad58..0610d9c80613deedf22de775ce94da6aff19898e 100644
--- a/test/cctest/heap/test-lab.cc
+++ b/test/cctest/heap/test-lab.cc
@@ -46,7 +46,8 @@ static bool AllocateFromLab(Heap* heap, LocalAllocationBuffer* lab,
   AllocationResult result =
       lab->AllocateRawAligned(static_cast<int>(size_in_bytes), alignment);
   if (result.To(&obj)) {
-    heap->CreateFillerObjectAt(obj->address(), static_cast<int>(size_in_bytes));
+    heap->CreateFillerObjectAt(obj->address(), static_cast<int>(size_in_bytes),
+                               kNoRecordedSlots);
     return true;
   }
   return false;