compiler.cfg.liveness: Break the infinite loop--add the base-pointer as f to start with, and replace it with the real one if there's not a circular chain. Fixes #22 again.
compiler.cfg.liveness: Break the infinite loop--add the base-pointer as f to start with, and replace it with the real one if there's not a circular chain. Fixes #22 again.

mcandre/factor,mcandre/factor,mcandre/factor,mcandre/factor,mcandre/factor,mcandre/factor,mcandre/factor