My understanding is that using RefCounted is the recommended approach for implementing value types involving shared resources that require deterministic lifetimes.   However, there has historically been a race condition involving RefCounted destruction and GC.  Is there a solution for this?

There is a long discussion about the issue  (http://forum.dlang.org/thread/i8i8g3$2rof$1@digitalmars.com) and it relates to bug 4624.

erik