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chromium/third_party/blink/web_tests/fast/frames/document-addressSpace-in-initial-document-after-navigation.html 

<body>
PASS if no crash.
<iframe id="i" src="resources/fail-and-notify-done.html"></iframe>
<script>
if (window.testRunner)
  testRunner.dumpAsText();

var doc = i.contentDocument;
i.src = "about:blank";
doc.addressSpace;
</script>
</body>