| // Copyright 2018 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 opt() { |
| try { |
| Object.seal({}); |
| } finally { |
| try { |
| // Carefully crafted by clusterfuzz to alias the temporary object literal |
| // register with the below dead try block's context register. |
| ({toString() {}}) |
| . |
| |
| apply(-1) |
| .x(); |
| } finally { |
| if (2.2) { |
| return; |
| } |
| // This code should be dead. |
| try { |
| Reflect.construct; |
| } finally { |
| } |
| } |
| } |
| }; |
| %PrepareFunctionForOptimization(opt); |
| opt(); |
| %OptimizeFunctionOnNextCall(opt); |
| opt(); |