v8/test/mjsunit/array-push9.js
Mythri A 55e8d61391 [Test] Add %PrepareForOptimization in tests
With bytecode flushing and lazy feedback allocation, we need to call
%PrepareForOptimization before we call %OptimizeFunctionOnNextCall

Bug: v8:8801, v8:8394
Change-Id: I1f84477a8cef27b4cff61b54daf6fe1a9e5f8e76
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1591775
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61148}
2019-05-02 09:43:17 +00:00

31 lines
668 B
JavaScript

// Copyright 2014 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 --deopt-every-n-times=5
var array = [];
function push(array, value) {
array.push(value);
}
%PrepareFunctionForOptimization(push);
push(array, 0);
push(array, 1);
push(array, 2);
%OptimizeFunctionOnNextCall(push);
push(array, 3);
var v = 0;
Object.defineProperty(Array.prototype, "4", {
get: function() { return 100; },
set: function(value) { v = value; }
});
push(array, 4);
assertEquals(5, array.length);
assertEquals(100, array[4]);
assertEquals(4, v);