v8/test/mjsunit/regress/regress-crbug-630923.js

// 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

var o = {};
function bar(o) {
  return 1 + (o.t ? 1 : 2);
}
function foo() {
  bar(o);
};
%PrepareFunctionForOptimization(foo);
foo();
%OptimizeFunctionOnNextCall(foo);
foo();