On Thu, 19 Jan 2012 11:40:14 +0100, Alex <xtzgzorex at gmail.com> wrote: > Anyone have a clue? As said, this is quite essential for implementing > a TLS-supporting VM in D. Not really, but it's probably part of DMC's thread local storage. http://digitalmars.com/ctg/CPP0x-Language-Implementation.html