We managed to create property set with two 'location' properties, and then crashed when deciding where to put the target. [SVN r29603]
@@ -1 +1 @@
-Subproject commit 3a7327a605981bd047111a26e4e499924880310f
+Subproject commit 4e81e3fc1c90bb412dd887d6b7311ee2c5d33998