src/v8/test/mjsunit/compiler/regress-serialized-slots.js

// Copyright 2011 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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//       with the distribution.
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//
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// The test verifies that parameters of the outer function are correctly
// accessible from the inner closure.

function runner(f, expected) {
  for (var i = 0; i < 10000; i++) {  // Loop to trigger optimization.
    assertEquals(expected, f.call(this, 10));
  }
}

Function.prototype.bind = function(thisObject)
{
    var func = this;
    var args = Array.prototype.slice.call(arguments, 1);
    function bound()
    {
      // Note outer function parameter access (|thisObject|).
      return func.apply(
          thisObject,
          args.concat(Array.prototype.slice.call(arguments, 0)));
    }
    return bound;
}

function sum(x, y) {
  return x + y;
}

function test(n) {
  runner(sum.bind(this, n), n + 10);
}

test(1);
test(42);
test(239);