v8/test/mjsunit/regress/regress-crbug-736633.js

// 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

function f(x) {
  switch (x | 0) {
    case 0:
    case 1:
    case 2:
    case -2147483644:
    case 2147483647:
      return x + 1;
  }

  return 0;
};
%PrepareFunctionForOptimization(f);
assertEquals(1, f(0));
assertEquals(2, f(1));
%OptimizeFunctionOnNextCall(f);
assertEquals(3, f(2));