| // 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 |
| |
| class C extends Object { |
| constructor() { |
| try { super(); } catch (e) { }; |
| return 1; |
| } |
| } |
| |
| class A extends C { |
| constructor() { |
| super(); |
| throw new Error(); |
| return { get: () => this }; |
| } |
| } |
| |
| %PrepareFunctionForOptimization(A); |
| |
| var D = new Proxy(A, { get() { %DeoptimizeFunction(A); } }); |
| |
| try { Reflect.construct(A, [], D); } catch(e) {} |
| %OptimizeFunctionOnNextCall(A); |
| try { Reflect.construct(A, [], D); } catch(e) {} |