Variable-sized reg frames 15 - fix half-bogus test
Variable-sized reg frames 15 - fix half-bogus test

* subs that are tailcalled into must always have get_params
  at begin. That is: get_params with tailcalls is part of the
  call sequence and can't safely be repeated

make testC (CGP, direct threaded run-core) works


git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@9646 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot