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// assignments to watched properties via ++ must not be traced
var hits = 0;
function counter(id, oldval, newval) {
hits++;
return newval;
}
(function () {
var obj = {x: 0, y: 0};
var a = ['x', 'y'];
obj.watch('z', counter);
for (var i = 0; i < 14; i++) {
obj.watch(a[+(i > 8)], counter);
obj.y++;
}
})();
assertEq(hits, 5);
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