text: // 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 --no-lazy
  
  "use strict";
  eval();
  var f = ({x}) => { };
  %PrepareFunctionForOptimization(f);
  %OptimizeFunctionOnNextCall(f);
  assertThrows(f);
  