diff --git a/layout/forms/crashtests/310520-1.xhtml b/layout/forms/crashtests/310520-1.xhtml
new file mode 100644
index 000000000000..5a76a6de1b39
--- /dev/null
+++ b/layout/forms/crashtests/310520-1.xhtml
@@ -0,0 +1,19 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+
+<script><![CDATA[ 
+
+function init()
+{
+  var select = document.getElementsByTagName("select")[0];
+  select.parentNode.removeChild(select);
+}
+
+window.addEventListener("load", init, 0);
+
+]]></script>
+
+
+</head>
+<body><select><input/></select></body>
+</html>
diff --git a/layout/forms/crashtests/crashtests.list b/layout/forms/crashtests/crashtests.list
index e18d2a4891d6..f3c9fe1cd9a5 100644
--- a/layout/forms/crashtests/crashtests.list
+++ b/layout/forms/crashtests/crashtests.list
@@ -1,4 +1,5 @@
 load 310426-1.xhtml
+load 310520-1.xhtml
 load 315752-1.xhtml
 load 363696-1.xul
 load 363696-2.html
