js/src/jit-test/tests/arguments/args-redefine-iterator-1.js


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function t()
{
  var a = arguments;
  Object.defineProperty(a, Symbol.iterator, { });
  for (var i = 0; i < 5; i++)
    assertEq(a[Symbol.iterator], Array.prototype[Symbol.iterator]);

  var desc = Object.getOwnPropertyDescriptor(a, Symbol.iterator);
  assertEq(desc.value, Array.prototype[Symbol.iterator]);
  assertEq(desc.writable, true);
  assertEq(desc.enumerable, false);
  assertEq(desc.configurable, true);
}
t();