We got the condition wrong and actually deoptimized when the typed array was not neutered. This fixes the deopt loop in Math.random and actually many programs that use typed arrays. R=jarin@chromium.org Review-Url: https://codereview.chromium.org/1970123002 Cr-Commit-Position: refs/heads/master@{#36194}
14 lines
398 B
JavaScript
14 lines
398 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 a = new Uint32Array(1);
|
|
function len(a) { return a.length; }
|
|
assertEquals(1, len(a));
|
|
assertEquals(1, len(a));
|
|
%OptimizeFunctionOnNextCall(len);
|
|
assertEquals(1, len(a));
|
|
assertOptimized(len);
|