18 lines
393 B
JavaScript
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));
|