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Test Info:

<!DOCTYPE html>
<meta charset="utf-8">
<title>Detaching continuation in multi-column layout should not crash</title>
<style>
.class1 { column-span: all; }
.class2 > .class3 { float: right; content: open-quote; }
.class3:last-of-type { column-width: 1px; }
.class3:nth-last-child(2n+10000000000000000) { column-span: all; }
</style>
<script>
window.addEventListener('load', function() {
var test1 = document.createElement('header');
var test2 = document.createElement('footer');
var test3 = document.createElement('address');
test3.setAttribute('class', 'class1');
test1.appendChild(test3);
var test4 = document.createElement('nav');
test4.setAttribute('class', 'class3');
document.documentElement.appendChild(test4);
var test5 = document.createElement('dt');
test5.setAttribute('class', 'class2');
var test6 = document.createElement('a');
document.documentElement.appendChild(test6);
var test7 = document.createElement('div');
test7.setAttribute('class', 'class3');
test5.appendChild(test7);
test5.appendChild(test1);
test4.appendChild(test5);
document.documentElement.offsetTop;
test5.setAttribute('class', 'class3');
document.documentElement.offsetTop;
test2.appendChild(test6);
});
</script>