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// Overview:
// - The outer function is an IIFE which gets marked as a singleton.
// - The |fn| inner function is then also marked as a singleton.
// - The |self| inner function uses |Function.prototype.caller| to reinvoke the outer function.
//
// When we reinvoke outer, we end up cloning a previously reused, i.e. non-cloned,
// function.
(function(index) {
var fn = function(a) {};
// Accessing |.length| sets the resolved-length flag, which should not be
// copied over to the function clone.
assertEq(fn.length, 1);
// Reinvoke the IIFE through |Function.prototype.caller|.
if (index === 0) {
(function self() {
self.caller(1);
})();
}
})(0);
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