9d2f267f42
Bug: v8:6831 Change-Id: I7d51a49dfbf2e5a1fa2675fe0d70bb4091a4db78 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1544274 Reviewed-by: Toon Verwaest <verwaest@chromium.org> Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com> Cr-Commit-Position: refs/heads/master@{#60611}
52 lines
921 B
JavaScript
52 lines
921 B
JavaScript
// Copyright 2015 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: --use-osr
|
|
|
|
function f(a) {
|
|
var sum = 0;
|
|
for (var i of a) {
|
|
var x = i + 2;
|
|
var y = x + 5;
|
|
var z = y + 3;
|
|
sum += z;
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
function wrap(array) {
|
|
var iterable = {};
|
|
var i = 0;
|
|
function next() {
|
|
return { done: i >= array.length, value: array[i++] };
|
|
};
|
|
iterable[Symbol.iterator] = function() { return { next:next }; };
|
|
return iterable;
|
|
}
|
|
|
|
function test(a) {
|
|
for (var i = 0; i < 10000; i++) {
|
|
a[i] = (i * 999) % 77;
|
|
}
|
|
|
|
for (var i = 0; i < 3; i++) {
|
|
assertEquals(480270, f(wrap(a)));
|
|
}
|
|
}
|
|
|
|
var a = new Array(10000);
|
|
test(a);
|
|
|
|
// Non-extensible
|
|
var b = Object.preventExtensions(a);
|
|
test(b);
|
|
|
|
// Sealed
|
|
var c = Object.seal(a);
|
|
test(c);
|
|
|
|
// Frozen
|
|
var d = Object.freeze(a);
|
|
test(d);
|