1// Copyright 2019 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5extern class HeapNumber extends PrimitiveHeapObject { 6 // Marked as a relaxed store because of a race with reading on the 7 // compiler thread. 8 @cppRelaxedStore value: float64; 9} 10 11// The HeapNumber value NaN 12type NaN extends HeapNumber; 13