Clear recorded slots when creating filler objects.

src/profiler/sampling-heap-profiler.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/profiler/sampling-heap-profiler.h"
 
 #include <stdint.h>
 #include <memory>
 #include "src/api.h"
 #include "src/base/utils/random-number-generator.h"
@@ skipping 81 matching lines @@
 
 void SamplingHeapProfiler::SampleObject(Address soon_object, size_t size) {
   DisallowHeapAllocation no_allocation;
 
   HandleScope scope(isolate_);
   HeapObject* heap_object = HeapObject::FromAddress(soon_object);
   Handle<Object> obj(heap_object, isolate_);
 
   // Mark the new block as FreeSpace to make sure the heap is iterable while we
   // are taking the sample.
-  heap()->CreateFillerObjectAt(soon_object, static_cast<int>(size));
+  heap()->CreateFillerObjectAt(soon_object, static_cast<int>(size),
+                               ClearRecordedSlots::kNo);
 
   Local<v8::Value> loc = v8::Utils::ToLocal(obj);
 
   AllocationNode* node = AddStack();
   node->allocations_[size]++;
   Sample* sample = new Sample(size, node, loc, this);
   samples_.insert(sample);
   sample->global.SetWeak(sample, OnWeakCallback, WeakCallbackType::kParameter);
 }
 
@@ skipping 132 matching lines @@
   auto profile = new v8::internal::AllocationProfile();
 
   TranslateAllocationNode(profile, &profile_root_, scripts);
 
   return profile;
 }
 
 
 }  // namespace internal
 }  // namespace v8