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chromium/third_party/blink/web_tests/virtual/text-antialias/international/harfbuzz-buffer-overrun.html 

<html>
<body>
<p>&#3635;&#3648;</p>
<script>
// Force layout.
document.body.offsetTop;

if (window.testRunner)
    testRunner.dumpAsText();

document.body.innerHTML = "PASS: does not crash";
</script>
</body>
</html>