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-rw-r--r--layout/base/crashtests/1580576.html11
1 files changed, 11 insertions, 0 deletions
diff --git a/layout/base/crashtests/1580576.html b/layout/base/crashtests/1580576.html
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--- /dev/null
+++ b/layout/base/crashtests/1580576.html
@@ -0,0 +1,11 @@
+<style>
+:not(xmp) { column-span: all }
+</style>
+<script>
+window.onload = () => {
+ a.appendChild(b)
+}
+</script>
+<details id="a" style="column-width: 0px">
+<summary>
+<label id="b">