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// 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 --expose-gc

(function() {
  function thingo(i, b) {
    var s = b ? "ac" : "abcd";
    i = i >>> 0;
    if (i < s.length) {
      var c = s.charCodeAt(i);
      gc();
      return c;
    }
  }
  thingo(0, true);
  thingo(0, true);
  %OptimizeFunctionOnNextCall(thingo);
  thingo(0, true);

})();