v8/test/mjsunit/regress/regress-683617.js
jarin 6d1894e4f4 [deoptimizer] Materialize string iterators.
BUG=chromium:683617

Review-Url: https://codereview.chromium.org/2651553003
Cr-Commit-Position: refs/heads/master@{#42606}
2017-01-23 16:46:42 +00:00

18 lines
393 B
JavaScript

// Copyright 2017 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
global = 'n';
function f(deopt) {
let it = global[Symbol.iterator]();
if (deopt) {
return it.next().value;
}
}
f();
f();
%OptimizeFunctionOnNextCall(f);
assertEquals('n', f(true));