LayoutTests/fast/runin/nonblock-runin.html

<p>
    Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=12052">https://bugs.webkit.org/show_bug.cgi?id=12052</a>.
    Before the change, display: run-in; with non-RenderBlock element hit ASSERTion and run-in video made Safari crash.
</p>
<div>
    <canvas style="display: run-in;">FOO</canvas>
    <div>PASS</div>
</div>

<div>
    <video src="../../media/content/test.mp4" style="display: run-in;" controls></video>
    <div>PASS</div>
</div>

<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>