lib/libs.js
function bindProperty(o, parent, prop) {
            Object.defineProperty(o, prop, {
                get: function () {
                    try { return parent[prop]; } catch (e) {}
                },
                set: function (val) {
                    try { parent[prop] = val; } catch(e) {}
                },
                configurable: true
            });
        }
function bindProperty(o, parent, prop) {
            Object.defineProperty(o, prop, {
                get: function () {
                    try { return parent[prop]; } catch (e) {}
                },
                set: function (val) {
                    try { parent[prop] = val; } catch(e) {}
                },
                configurable: true
            });
        }
Used in Object.setPrototypeOf polyfill only