Original commit message from CVS:
* testsuite/schedulers/143777-2.c: (main):
* testsuite/schedulers/147713.c: (handoff_src), (handoff_sink),
(main):
* testsuite/schedulers/Makefile.am:
Added cleanup code to testcase 143777-2.
Added testcase to show bug 147713, does not really show the
deadlock as I can't figure out how to trigger it, but it does
demonstrate bad ordering in the scheduler.