text: // Copyright 2018 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: --expose-externalize-string --expose-gc --allow-natives-syntax
  
  function foo(s) {
    return s.charCodeAt(12);
  }
  
  var extern = "internalized dummy";
  extern = "1234567890qiaipppiúöäöáœba"+"jalsdjasldjasdlasjdalsdjasldk";
  externalizeString(extern, true /* force two-byte */);
  %PrepareFunctionForOptimization(foo);
  assertEquals(97, foo(extern));
  assertEquals(97, foo(extern));
  %OptimizeFunctionOnNextCall(foo);
  assertEquals(97, foo(extern));
  