// Copyright 2016 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 id(a) { return a; } (function LiteralCompareNullDeopt() { function f() { return id(null == %DeoptimizeNow()); }; %PrepareFunctionForOptimization(f); %OptimizeFunctionOnNextCall(f); assertTrue(f()); })(); (function LiteralCompareUndefinedDeopt() { function f() { return id(undefined == %DeoptimizeNow()); }; %PrepareFunctionForOptimization(f); %OptimizeFunctionOnNextCall(f); assertTrue(f()); })(); (function LiteralCompareTypeofDeopt() { function f() { return id('undefined' == typeof %DeoptimizeNow()); }; %PrepareFunctionForOptimization(f); %OptimizeFunctionOnNextCall(f); assertTrue(f()); })();