Clear recorded slots when creating filler objects.

src/profiler/allocation-tracker.cc

Index: src/profiler/allocation-tracker.cc
diff --git a/src/profiler/allocation-tracker.cc b/src/profiler/allocation-tracker.cc
index 942068ea0884637b5bc1b747a0d9b1b123a3077d..60e96ec6747d85aebd8d67fc1c58eeb8aee36b6c 100644
--- a/src/profiler/allocation-tracker.cc
+++ b/src/profiler/allocation-tracker.cc
@@ -226,7 +226,7 @@ void AllocationTracker::AllocationEvent(Address addr, int size) {
 
   // Mark the new block as FreeSpace to make sure the heap is iterable
   // while we are capturing stack trace.
-  heap->CreateFillerObjectAt(addr, size);
+  heap->CreateFillerObjectAt(addr, size, kNoRecordedSlots);
 
   Isolate* isolate = heap->isolate();
   int length = 0;