Original commit message from CVS:
* testsuite/schedulers/147894-2.c: (queue_empty), (queue_filled),
(handoff_identity), (main):
* testsuite/schedulers/147894.c: (queue_empty), (queue_filled),
(handoff_identity), (main):
* testsuite/schedulers/Makefile.am:
* testsuite/schedulers/group_link.c: (main):
Show bug in scheduler when linking chain and loop based element
where the chain based element was not yet in a group.
