1 files changed, 20 insertions, 0 deletions
diff --git a/layout/style/crashtests/1089463-1.html b/layout/style/crashtests/1089463-1.html
new file mode 100644
index 0000000000..8efb3f6674
--- /dev/null
+++ b/layout/style/crashtests/1089463-1.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<div></div>
+<script>
+window.onload = function() {
+  var div = document.querySelector("div");
+  var shadow = div.attachShadow({ mode: "open" });
+  shadow.innerHTML = "<p style='display: none'><span><i>x</i></span></p>";
+  var p = shadow.lastChild;
+  var span = p.firstChild;
+  var i = span.firstChild;
+
+  span.style.color = 'blue';
+  p.remove();
+
+  document.body.offsetTop;
+
+  shadow.appendChild(p);
+  i.style.color = 'red';
+};
+</script>