--verify-predictable mode added for ensuring that GC behaves deterministically.

src/builtins.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/once.h"
 #include "src/bootstrapper.h"
@@ skipping 221 matching lines @@
 
   // Maintain marking consistency for HeapObjectIterator and
   // IncrementalMarking.
   int size_delta = to_trim * entry_size;
   Address new_start = elms->address() + size_delta;
   heap->marking()->TransferMark(elms->address(), new_start);
   heap->AdjustLiveBytes(new_start, -size_delta, Heap::FROM_MUTATOR);
 
   FixedArrayBase* new_elms =
       FixedArrayBase::cast(HeapObject::FromAddress(new_start));
-  HeapProfiler* profiler = heap->isolate()->heap_profiler();
-  if (profiler->is_tracking_object_moves()) {
-    profiler->ObjectMoveEvent(elms->address(),
-                              new_elms->address(),
-                              new_elms->Size());
-  }
+
+  heap->OnMoveEvent(new_elms, elms, new_elms->Size());
   return new_elms;
 }
 
 
 static bool ArrayPrototypeHasNoElements(Heap* heap,
                                         Context* native_context,
                                         JSObject* array_proto) {
   DisallowHeapAllocation no_gc;
   // This method depends on non writability of Object and Array prototype
   // fields.
@@ skipping 1459 matching lines @@
 }
 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
 BUILTIN_LIST_H(DEFINE_BUILTIN_ACCESSOR_H)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 
 
 } }  // namespace v8::internal