diff -r 000000000000 -r 6474c204b198 ipc/ipdl/test/cxx/PTestDescSub.ipdl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/ipdl/test/cxx/PTestDescSub.ipdl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+include protocol PTestDesc;
+include protocol PTestDescSubsub;
+
+namespace mozilla {
+namespace _ipdltest {
+
+intr protocol PTestDescSub {
+    manager PTestDesc;
+    manages PTestDescSubsub;
+
+child:
+    __delete__();
+
+    intr PTestDescSubsub();
+};
+
+}
+}