src/v8/test/mjsunit/compiler/regress-793863.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(a) {
  return arguments[0];
}

%OptimizeFunctionOnNextCall(f);
assertEquals(undefined, f());