// 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 s = "hello"; function foo() { return s[4]; }; %PrepareFunctionForOptimization(foo); assertTrue('o' === foo()); assertTrue("o" === foo()); %OptimizeFunctionOnNextCall(foo); assertTrue("o" === foo()); function bar() { return s[5]; }; %PrepareFunctionForOptimization(bar); assertSame(undefined, bar()); assertSame(undefined, bar()); %OptimizeFunctionOnNextCall(bar); assertSame(undefined, bar());