angular: 4.2+
zone.js: 0.7.7 +

error:
function patchPrototype(prototype, fnNames) {
var source = prototype.constructor['name'];
var _loop_1 = function(i) {
var name_1 = fnNames[i];
var delegate = prototype[name_1];
if (delegate) {
prototype[name_1] = (function (delegate) {
return function () {
return delegate.apply(this, bindArguments(arguments, source + '.' + name_1));
};
})(delegate);
}
};
for (var i = 0; i < fnNames.length; i++) {
_loop_1(i);
}
}

TypeError: Attempted to assign to readonly property in prototype[name_1]

when i remove 'use strict',it will work.

can i help me ？ thanks