tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bug1600488-2.js (371B)

      1 const token = {};
      2 let iterated;
      3 const finalizationRegistry = new FinalizationRegistry(items => {
      4    iterated = items.next().value;
      5 });
      6 {
      7    let object = {};
      8    finalizationRegistry.register(object, token, token);
      9    object = undefined;
     10 }
     11 gc();
     12 assertEq(finalizationRegistry.unregister(token), true);
     13 finalizationRegistry.cleanupSome();
     14 assertEq(iterated, undefined);