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function TestGC2(m) {
var head = new Object;
for (key = head, i = 0; i < 99999; i++, key = m.get(key)) {
m.set(key, new Object);
}
gc();
for (key = head; key != undefined; key = m.get(key)) {}
}
TestGC2(new WeakMap);
reportCompare(true, true, "deep weakmaps");