v8/test/mjsunit/regress/regress-crbug-711166.js

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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
'use strict';
function g() {
var x = 1;
try {
undefined.x;
} catch (e) {
x = e;
}
(function() {
x;
});
return x;
}
function f(a) {
var args = arguments;
assertInstanceof(g(), TypeError);
return args.length;
};
%PrepareFunctionForOptimization(f);
assertEquals(1, f(0));
assertEquals(1, f(0));
%OptimizeFunctionOnNextCall(f);
assertEquals(1, f(0));