v8/test/mjsunit/regress/regress-loop-var-assign-without-block-scope.js
Mythri A ae1af6a568 [cleanup] Add %PrepareFunctionForOptimize for tests that use %OptimizeOsr
Bug: v8:8394, v8:8801, v8:9183
Change-Id: I29ff1a6dda97e89335b30fcc8c380bcb4055e1fb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1664690
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62254}
2019-06-18 16:47:29 +00:00

16 lines
626 B
JavaScript

// Copyright 2019 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 f() {
// Loop with a body that's not wrapped in a block.
for (i = 0; i < 2; i++)
var x = i, // var x that's assigned on each iteration
y = y||(()=>x), // single arrow function that returns x
z0 = (%PrepareFunctionForOptimization(y)), // prepare function for optimization
z = (%OptimizeFunctionOnNextCall(y), y()); // optimize y on first iteration
return y()
};
assertEquals(1, f())