v8/test/mjsunit/regress/regress-6248.js
Ross McIlroy 994db73210 [cleanup] Add missing %PrepareFunctionForOptimize in mjsunit tests
Bug: v8:8801,v8:8394,v8:9183
Change-Id: I55027b3ba0c78f40d82aaf2d160aaf957d02cab5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1662292
Auto-Submit: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62214}
2019-06-17 13:14:51 +00:00

27 lines
679 B
JavaScript

// Copyright 2017 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
var sentinelObject = {};
var evaluatedArg = false;
class C extends Object {
constructor() {
try {
super(evaluatedArg = true);
} catch (e) {
assertInstanceof(e, TypeError);
return sentinelObject;
}
}
}
%PrepareFunctionForOptimization(C);
Object.setPrototypeOf(C, parseInt);
assertSame(sentinelObject, new C());
assertSame(sentinelObject, new C());
%OptimizeFunctionOnNextCall(C)
assertSame(sentinelObject, new C());
assertFalse(evaluatedArg);