1 files changed, 16 insertions, 0 deletions
diff --git a/dom/base/crashtests/771639.html b/dom/base/crashtests/771639.html
new file mode 100644
index 0000000000..c6124cac51
--- /dev/null
+++ b/dom/base/crashtests/771639.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<script>
+var root = document.documentElement;
+while(root.firstChild) { root.firstChild.remove(); }
+var div = document.createElement("div");
+root.appendChild(div);
+
+document.addEventListener("DOMNodeRemoved", function() {
+  root.appendChild(document.createTextNode("some mutation"));
+});
+
+var range = document.createRange();
+range.setStart(root, 0);
+range.setEnd(root, root.childNodes.length);
+range.deleteContents();
+</script>