Thu, 15 Jan 2015 15:55:04 +0100
Back out 97036ab72558 which inappropriately compared turds to third parties.
1 function f() {
2 var a;
3 var o = { valueOf: function () { x = 99; return x; } };
4 var x = 2;
5 return [x, o + x, x]
6 }
7 assertEq(f().join(", "), "2, 101, 99");
8