diff --git a/mozilla/layout/xul/base/src/crashtests/366112-1.xul b/mozilla/layout/xul/base/src/crashtests/366112-1.xul
new file mode 100644
index 00000000000..4a03ea2cfdc
--- /dev/null
+++ b/mozilla/layout/xul/base/src/crashtests/366112-1.xul
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+
+<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
+
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+  <nativescrollbar />
+
+</window>
diff --git a/mozilla/layout/xul/base/src/crashtests/crashtests.list b/mozilla/layout/xul/base/src/crashtests/crashtests.list
index 604f233f250..0694ee1a05e 100644
--- a/mozilla/layout/xul/base/src/crashtests/crashtests.list
+++ b/mozilla/layout/xul/base/src/crashtests/crashtests.list
@@ -3,4 +3,5 @@ load 327776-1.html
 load 329407-1.xml
 load 346083-1.html
 load 346281-1.html
+load 366112-1.xul
 load 377592-1.svg