v8/test/mjsunit/regress/regress-crbug-621816.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

function f() {
  var o = {};
  o.a = 1;
}
function g() {
  var o = {['a']: function() {}};
  f();
};
%PrepareFunctionForOptimization(g);
f();
f();
%OptimizeFunctionOnNextCall(g);
g();