1 files changed, 12 insertions, 0 deletions
diff --git a/layout/xul/crashtests/404192.xhtml b/layout/xul/crashtests/404192.xhtml
new file mode 100644
index 000000000..4ad5af348
--- /dev/null
+++ b/layout/xul/crashtests/404192.xhtml
@@ -0,0 +1,12 @@
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" class="reftest-wait">
+<xul:titlebar id="a" style="overflow: auto;"/>
+
+<script>
+function doe() {
+document.getElementsByTagName('*')[1].focus();
+document.getElementsByTagName('*')[0].focus();
+document.documentElement.removeAttribute("class");
+}
+setTimeout(doe, 200);
+</script>
+</html>