Back out 97036ab72558 which inappropriately compared turds to third parties.
1 function testNonStubGetter() {
2 let ([] = false) { (this.watch("x", function(p, o, n) { return /a/g.exec(p, o, n); })); };
3 (function () { (eval("(function(){for each (x in [1, 2, 2]);});"))(); })();
7 assertEq(testNonStubGetter(), "ok");