// Copyright 2019 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.

extern class HeapNumber extends PrimitiveHeapObject {
  // Marked as a relaxed store because of a race with reading on the
  // compiler thread.
  @cppRelaxedStore value: float64;
}

// The HeapNumber value NaN
type NaN extends HeapNumber;