v8/test/mjsunit/regress/regress-669024.js

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// Copyright 2016 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 h(y) { return y.u; }
function g() { return h.apply(0, arguments); }
function f(x) {
var o = { u : x };
return g(o);
}
f(42);
f(0.1);
%OptimizeFunctionOnNextCall(f);
assertEquals(undefined, f(undefined));