Paul Brannan wrote:
> 
> On Mon, Jun 17, 2002 at 06:08:20AM +0900, Joel VanderWerf wrote:
> > Hope it's useful to someone besides me...
> 
> I've been wanting something like this for quite some time.  It's not
> easy to test to make sure you aren't keeping references to objects you
> don't intend to keep references to; this sounds like it should
> definitely help.
> 
> Do you have a patched gc.c that works with Ruby 1.7?

No, sorry. I've never looked into 1.7, but it might not be too hard to
adapt. The patch consists of a small change in variable.c plus a new
method in gc.c plus a few lines added or changed in rc_gc_mark(). Look
for the '#ifdef DEBUG_REACHABILITY', and let me know if I can help with
anything.