v8/test/mjsunit/regress/regress-crbug-882233-2.js
Camillo Bruni e3e8ea5d65 [flags] Rename --opt to --turbofan
To be consistent with the all the other tiers and avoid confusion, we
rename --opt to ---turbofan, and --always-opt to --always-turbofan.

Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80336}
2022-05-03 12:10:30 +00:00

37 lines
1.1 KiB
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 --turbofan
// Intended to test bug [882233] on TF inlined (js-call-reducer) path.
function shift_array() {
let array = [];
Object.defineProperty(array, 'length', {writable : false});
out = array; // Prevent array's map from dying too early.
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});
out = object; // Prevent object's map from dying too early.
return object.shift();
}
%PrepareFunctionForOptimization(shift_object);
assertThrows(shift_object);
assertThrows(shift_object);
%OptimizeFunctionOnNextCall(shift_object);
assertThrows(shift_object);
assertOptimized(shift_object);