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 --turbo-escape
  
  function f() {
    try {
      throw "boom";
    } catch(e) {
      %_DeoptimizeNow();
    }
  }
  
  %PrepareFunctionForOptimization(f);
  f();
  f();
  %OptimizeFunctionOnNextCall(f);
  f();
  