v8/test/mjsunit/compiler/regress-895799.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
BUG=v8:8801

Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256
Reviewed-on: https://chromium-review.googlesource.com/c/1495555
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60001}
2019-03-04 12:25:41 +00:00

29 lines
644 B
JavaScript

// 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) {}