// 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. // Flags: --allow-natives-syntax var obj = Object.create(Object.create({blu: 42})); obj.bla = 1; function bar(o) { return o.blu; } function foo(o) { o.bla; %TurbofanStaticAssert(bar(o) == 42); } %PrepareFunctionForOptimization(bar); %PrepareFunctionForOptimization(foo); bar({}); bar({bla: 1}); bar({blu: 1}); bar({blo: 1}); foo(obj); %OptimizeFunctionForTopTier(foo); foo(obj);