v8/test/mjsunit/compiler/for-in-5.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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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 --turbofan
// Ensure that we properly check for properties on the prototypes.
function foo(o) {
var s = "";
for (var i in o) s += i;
return s;
}
var o = {a:1, b:2, c:3};
%PrepareFunctionForOptimization(foo);
assertEquals("abc", foo(o));
assertEquals("abc", foo(o));
%OptimizeFunctionOnNextCall(foo);
assertEquals("abc", foo(o));
Object.prototype.d = 4;
assertEquals("abcd", foo(o));