> [0] e.g. some lock-free algorithms depend on the presence of GC If this is what I'm thinking of, it does not require GC, only "defer deallocation until all r

> [0] e.g. some lock-free algorithms depend on the presence of GC If this is what I'm thinking of, it does not require GC, only "defer deallocation until all running threads check in", which is ... not trivial, but certainly feasible to do in RC and much easier than making a decent GC.