new file mode 100644
--- /dev/null
+++ b/layout/reftests/bugs/374038-1-ref.xul
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<window xmlns:html="http://www.w3.org/1999/xhtml"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <box>
+    <html:canvas width="300" height="300" style="background-color:lime; width: 300px; height: 300px"/>
+  </box>
+</window>

new file mode 100644
--- /dev/null
+++ b/layout/reftests/bugs/374038-1.xul
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<window xmlns:html="http://www.w3.org/1999/xhtml"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <box>
+    <html:canvas width="300" height="300" style="background-color:lime;"/>
+  </box>
+</window>

new file mode 100644
--- /dev/null
+++ b/layout/reftests/bugs/374038-2-ref.xul
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<window xmlns:html="http://www.w3.org/1999/xhtml"
+	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <box>
+    <html:img width="600" height="58" src="mozilla-banner.gif"/>
+  </box>
+</window>

new file mode 100644
--- /dev/null
+++ b/layout/reftests/bugs/374038-2.xul
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<window xmlns:html="http://www.w3.org/1999/xhtml"
+	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <box>
+    <html:img src="mozilla-banner.gif"/>
+  </box>
+</window>

--- a/layout/reftests/bugs/reftest.list
+++ b/layout/reftests/bugs/reftest.list
@@ -199,8 +199,10 @@ fails == 368504-1.html 368504-1-ref.html
 == 371925-1a.html 371925-1-ref.html
 == 371925-1b.html 371925-1-ref.html
 == 372553-1.html 372553-1-ref.html
 == 373381-1.html 373381-1-ref.html
 == 372037-1.html 372037-1-ref.html
 == 375508-1.html 375508-1-ref.html
 == 373433-1.html 373433-1-ref.html
 == 372062-1.html 372062-1-ref.html
+== 374038-1.xul 374038-1-ref.xul
+== 374038-2.xul 374038-2-ref.xul