Hello,

ludo@gnu.org (Ludovic Courtès) writes:

> Andy Wingo <wingo@pobox.com> writes:
>
>> But you can't / shouldn't make a new fluid every time you enter a
>> `catch', because currently fluids are never garbage collected! We really
>> need to fix this. I think it's a 1.9 regression.
>
> Indeed.  We should use a weak vector or some such instead of the current
> scm_gc_malloc’d array.

Just to clarify: fluids themselves *are* GC’d, but fluid numbers aren’t
recycled so ALLOCATED_FLUIDS grows endlessly (1 byte per fluid).

The working patch below allows fluid numbers to be recycled but it’s
inefficient.  Needs more thought.

Thanks,
Ludo’.