v8/test/mjsunit/regress/regress-crbug-882233-2.js
Mythri A f820041aba Reland "[Test] Update tests to work with lazy feedback allocation."
This is a reland of 289b25765a.
The fix for failures landed here:
https://chromium-review.googlesource.com/c/v8/v8/+/1599388

Original change's description:
> [Test] Update tests to work with lazy feedback allocation.
>
> This adds either %EnsureFeedbackVectorForFunction or
> %PrepareFunctionForOptimization to allocate feedback vectors when testing
> optimization, allocation sites, IC transitions etc.,
>
> Bug: v8:8394
> Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Auto-Submit: Mythri Alle <mythria@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61212}

Bug: v8:8394
Change-Id: Idb5bba221d138e6fd73155f959b9e16fc948c709
TBR: rmcilroy@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1599607
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Auto-Submit: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61332}
2019-05-08 12:51:13 +00:00

35 lines
965 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 --opt
// Intended to test bug [882233] on TF inlined (js-call-reducer) path.
function shift_array() {
let array = [];
Object.defineProperty(array, 'length', {writable : false});
return array.shift();
}
%PrepareFunctionForOptimization(shift_array);
assertThrows(shift_array);
assertThrows(shift_array);
%OptimizeFunctionOnNextCall(shift_array);
assertThrows(shift_array);
assertOptimized(shift_array);
function shift_object() {
let object = { length: 0 };
Object.defineProperty(object, 'length', {writable : false});
return object.shift();
}
%PrepareFunctionForOptimization(shift_object);
assertThrows(shift_object);
assertThrows(shift_object);
%OptimizeFunctionOnNextCall(shift_object);
assertThrows(shift_object);
assertOptimized(shift_object);