v8/test/mjsunit/regress/regress-crbug-899524.js
Mathias Bynens c6a16c10dd [test] Add %PrepareForOptimization to even more tests
With bytecode flushing and lazy feedback allocation, we need to call
%PrepareForOptimization before we call %OptimizeFunctionOnNextCall,
ideally after declaring the function.

Bug: v8:8801, v8:8394, v8:9183
Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62119}
2019-06-12 14:40:14 +00:00

35 lines
712 B
JavaScript

// Copyright 2018 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
function empty() {}
function baz(expected, found) {
var start = "";
found.length, start + 'x';
if (expected.length === found.length) {
for (var i = 0; i < expected.length; ++i) {
empty(found[i]);
}
}
}
baz([1], new class A extends Array {}());
(function () {
"use strict";
function bar() {
baz([1, 2], arguments);
}
function foo() {
bar(2147483648, -[]);
};
%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
})();