// 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. // Flags: --allow-natives-syntax function Inner() { this.property = "OK"; this.o2 = 1; } function Outer(inner) { this.inner = inner; } var inner = new Inner(); var outer = new Outer(inner); Outer.prototype.boom = function() { return this.inner.property; }; %PrepareFunctionForOptimization(Outer.prototype.boom); assertEquals("OK", outer.boom()); assertEquals("OK", outer.boom()); %OptimizeFunctionOnNextCall(Outer.prototype.boom); assertEquals("OK", outer.boom()); inner = undefined; %SetAllocationTimeout(0 /*interval*/, 2 /*timeout*/); // Call something that will do GC while holding a handle to outer's map. // The key is that this lets inner's map die while keeping outer's map alive. delete outer.inner; outer = new Outer({field: 1.51, property: "OK"}); assertEquals("OK", outer.boom());