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https://bugzilla.mozilla.org/show_bug.cgi?id=989665
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  <title>Test for Bug 989665</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=989665">Mozilla Bug 989665</a>
<script type="application/javascript">

let w = new Worker("data:text/javascript;charset=UTF-8, console.log('%s', {toString: function() { throw 3 }}); ");
ok(true, "This test should not crash.");

</script>
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