diff -r 000000000000 -r 6474c204b198 ipc/ipdl/test/cxx/PTestSyncError.ipdl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/ipdl/test/cxx/PTestSyncError.ipdl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+
+namespace mozilla {
+namespace _ipdltest {
+
+
+sync protocol PTestSyncError {
+
+child:
+    Start();
+
+parent:
+    sync Error();
+    __delete__();
+
+
+state START:
+    send Start goto SYNC_ERROR;
+
+state SYNC_ERROR:
+    recv Error goto DEAD;
+
+state DEAD:
+    recv __delete__;
+};
+
+
+} // namespace mozilla
+} // namespace _ipdltest