id summary reporter owner description type status priority milestone component version resolution keywords cc difficulty 243 "GC in callbacks will invalidate references to Scheme data used in ""crunch"" code" felix winkelmann "When code compiled with `crunch` manipulates number-vectors or strings allocated in Scheme, then a callback is likely to trigger a GC, which will move those data-structures, rendering existing references to them on the crunch side invalid. It may be possible to use a special vector/buffer type for data-objects passed from Scheme to crunch. " defect closed minor extensions wontfix crunch