Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/docshell/base/crashtests/1614211-1.html b/docshell/base/crashtests/1614211-1.html
new file mode 100644
index 0000000000..1d683e0714
--- /dev/null
+++ b/docshell/base/crashtests/1614211-1.html
@@ -0,0 +1,15 @@
+<script>
+window.onload = () => {
+  b.addEventListener('DOMSubtreeModified', () => {
+    var o = document.getElementById('a')
+    var a = o.attributes
+    for (let j = 0; j < a.length; j++) {
+      o.setAttribute(a[j].name, 'i')
+      o.parentNode.appendChild(o)
+    }
+  })
+  b.setAttribute('a', b)
+}
+</script>
+<iframe id='a' sandbox='' allowfullscreen=''></iframe>
+<dfn id='b'>