https://issues.dlang.org/show_bug.cgi?id=14476
--- Comment #2 from Jonathan M Davis <issues.dl...@jmdavisprog.com> --- It looks like it's this commit in druntime which broke things: commit 5c96aca53bf63a9abc58fd45b59156e605c5fa3a Author: Martin Nowak <c...@dawg.eu> Date: Tue Jan 20 08:56:25 2015 +0100 round thread stack size to pagesize and min stack size The second failure with Testing link_linkdep is there before that commit, but that's the commit that introduces the failure in core.thread. --