<!DOCTYPE html>
<html>
    <style>
        div {
            -webkit-shape-outside: inset(10px round calc(10in));
        }
    </style>
    <body>
        This test passes if it doesn't crash.
        <div></div>
    </body>
    <script>
        if (window.testRunner)
            testRunner.dumpAsText()
    </script>
</html>