v8/test/mjsunit/regress/regress-crbug-590989-1.js
Ross McIlroy 2425885552 [cleanup] Add missing %PrepareFunctionForOptimize in mjsunit tests
Bug: v8:8801,v8:8394,v8:9183
Change-Id: I5ceaf731a1b2720f086e6791fe08caaaa55de030
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1662568
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Auto-Submit: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62224}
2019-06-17 16:48:50 +00:00

21 lines
599 B
JavaScript

// Copyright 2016 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 o = {}
var p = {foo: 1.5}
function g(x) { return x.foo === +x.foo; }
%PrepareFunctionForOptimization(g);
assertEquals(false, g(o));
assertEquals(false, g(o));
%OptimizeFunctionOnNextCall(g);
assertEquals(false, g(o)); // Still fine here.
assertEquals(true, g(p));
%PrepareFunctionForOptimization(g);
%OptimizeFunctionOnNextCall(g);
assertEquals(false, g(o)); // Confused by type feedback.