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// 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
function f(deopt) {
let array = [42];
let it = array[Symbol.iterator]();
if (deopt) {
%_DeoptimizeNow();
return it.next().value;
}
}
f(false);
f(false);
%OptimizeFunctionOnNextCall(f);
assertEquals(f(true), 42);
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