v8/test/mjsunit/regress/regress-crbug-412210.js

// Copyright 2014 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(x) {
  return (x ? "" >> 0 : "") + /a/;
};
%PrepareFunctionForOptimization(f);
;
%OptimizeFunctionOnNextCall(f);
f();