| // Copyright 2020 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 main() { |
| eval(); |
| function foo() { |
| bla = []; |
| bla.__proto__ = ''; |
| } |
| %PrepareFunctionForOptimization(foo); |
| foo(); |
| Object.defineProperty(this, 'bla', |
| {value: bla, configurable: false, writable: true}); |
| foo(); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(); |
| Object.defineProperty(this, 'bla', |
| {value: bla, configurable: false, writable: false}); |
| foo(); |
| })(); |