function test() {

// Function.prototype.bind -> HasOwnProperty -> [[GetOwnProperty]]
var gopd = [];
var p = new Proxy(Function(),
  { getOwnPropertyDescriptor: function(o, v) { gopd.push(v); return Object.getOwnPropertyDescriptor(o, v); }});
p.bind();
return gopd + '' === "length";
      
}

if (!test())
    throw new Error("Test failed");