// Copyright 2021 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 val = "hello"; function foo(i) { return val[i]; } assertEquals(undefined, foo(8)); Object.prototype[4294967295] = "boom"; assertEquals("boom", foo(4294967295)); %PrepareFunctionForOptimization(foo); assertEquals(undefined, foo(8)); assertEquals("boom", foo(4294967295)); %OptimizeFunctionOnNextCall(foo); assertEquals(undefined, foo(8)); assertEquals("boom", foo(4294967295));