Relax assert a little to fix flake on regress-3976

src/heap/heap.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/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 5638 matching lines @@
   PrintF("Handles:\n");
   PrintHandleVisitor v;
   isolate_->handle_scope_implementer()->Iterate(&v);
 }
 
 #endif
 
 class CheckHandleCountVisitor : public ObjectVisitor {
  public:
   CheckHandleCountVisitor() : handle_count_(0) {}
-  ~CheckHandleCountVisitor() { CHECK(handle_count_ < 1000); }
+  ~CheckHandleCountVisitor() { CHECK(handle_count_ < 2000); }
   void VisitPointers(Object** start, Object** end) {
     handle_count_ += end - start;
   }
 
  private:
   ptrdiff_t handle_count_;
 };
 
 
 void Heap::CheckHandleCount() {
@@ skipping 746 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 }
 }  // namespace v8::internal