LayoutTests/fast/multicol/multicol-fieldset-span-changes.html

<p>This test passes if it doesn't crash. '<a id="a"></a>:
<script>
if (window.testRunner)
        testRunner.dumpAsText();
document.getElementById("a").appendChild(document.createElement("fieldset")).setAttribute("style","-webkit-column-span:all;");
head = document.getElementsByTagName("head")[0];
var style = document.createElement("style");
var rule = document.createTextNode(":first-of-type { \n\
-webkit-animation-name: name1; \n\
-webkit-animation-duration: 6s; \n\
} \n\
@-webkit-keyframes name1 { \n\
  from { \n\
  } \n\
  to { \n\
    -webkit-column-width: auto \n\
");
style.appendChild(rule);
head.appendChild(style);
</script>