v8/test/mjsunit/compiler/regress-905555.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

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709 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 --noalways-turbofan
global = 1;
function boom(value) {
return global;
}
%PrepareFunctionForOptimization(boom);
assertEquals(1, boom());
assertEquals(1, boom());
%DisableOptimizationFinalization();
%OptimizeFunctionOnNextCall(boom, "concurrent");
assertEquals(1, boom());
%WaitForBackgroundOptimization();
this.__defineGetter__("global", () => 42);
%FinalizeOptimization();
// boom should be deoptimized because the global property cell has changed.
assertUnoptimized(boom);
assertEquals(42, boom());