topazproject/topaz — pull request #548 by meatballhat (2013-03-25 01:24:34+00:00)
Title: Kernel#` sets $? (untag spec)

Including stubbed-out `Process::Status#exited?` and `Process::Status#stopped?` (needed by specs), although at least `#exited?` may not apply given how `Process::Status` is created in topaz.