v8/test/mjsunit/es6/regress/regress-4160.js
Mythri A 41ef63df21 [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: I81918f174b2f97cbaa8b8ef2e459080c2581f535
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1588415
Commit-Queue: Mythri Alle <mythria@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61122}
2019-04-30 14:18:22 +00:00

32 lines
839 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: --allow-natives-syntax
(function(x) {
(function(x) {
var boom = (() => eval(x));
%PrepareFunctionForOptimization(boom);
assertEquals(23, boom());
assertEquals(23, boom());
%OptimizeFunctionOnNextCall(boom);
assertEquals(23, boom());
assertEquals("23", x);
})("23");
assertEquals("42", x);
})("42");
(function(x) {
(function(x) {
var boom = (() => (eval("var x = 66"), x));
%PrepareFunctionForOptimization(boom);
assertEquals(66, boom());
assertEquals(66, boom());
%OptimizeFunctionOnNextCall(boom);
assertEquals(66, boom());
assertEquals("23", x);
})("23");
assertEquals("42", x);
})("42");