Add crashtests

content/xul/templates/src/crashtests/404346-1.xul

@@ -0,0 +1,7 @@
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+<box id="b">
+<box id="a" template="b"/>
+<triple/>
+</box>
+<box datasources="" observes="a" ref="bbb"/>
+</window>

content/xul/templates/src/crashtests/415019-1.xul

@@ -0,0 +1,14 @@
+<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+  <hbox datasources="nosuch.rdf" ref="urn:root">
+    <template>
+      <rule>
+        <conditions>
+          <triple subject="?a"/>
+        </conditions>
+        <action>
+          <vbox uri="?b"/>
+        </action>
+      </rule>
+    </template>
+  </hbox>
+</window>

content/xul/templates/src/crashtests/crashtests.list

@@ -2,3 +2,5 @@ load 329335-1.xul
 load 329884-1.xul
 load 330012-1.xul
 load 397148-1.xul
+load 404346-1.xul
+load 415019-1.xul