// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
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//       from this software without specific prior written permission.
//
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

// Flags: --allow-natives-syntax

function f(n) {
  // Force deopt in both leaf case and when returning. To make
  // debugging easier, the operation that bails out (<<) is so simple
  // that it doesn't cause GCs.
  if (n == 0) return 1 << one;
  return f(n - 1) << one;
}


var one = 1;
for (var i = 0; i < 5; i++) assertEquals(1 << 5, f(4));
%OptimizeFunctionOnNextCall(f);
assertEquals(1 << 5, f(4));

var one = { valueOf: function() { return 1; } };
assertEquals(1 << 5, f(4));