1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-break/iframe-in-repeated-table-header-crash.html b/testing/web-platform/tests/css/css-break/iframe-in-repeated-table-header-crash.html
new file mode 100644
index 0000000000..8956bc777a
--- /dev/null
+++ b/testing/web-platform/tests/css/css-break/iframe-in-repeated-table-header-crash.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1260855">
+<div style="columns:2; column-fill:auto; height:200px;">
+  <table>
+    <thead style="break-inside:avoid;">
+      <tr>
+        <td>
+          <iframe style="height:10px;"></iframe>
+        </td>
+      </tr>
+    </thead>
+    <tbody>
+      <tr>
+        <td>
+          <div style="height:100px;"></div>
+        </td>
+      </tr>
+      <tr>
+        <td>
+          <div style="height:100px;"></div>
+        </td>
+      </tr>
+    </tbody>
+  </table>
+</div>