druntime unit test failures on FreeBSD

[Dan Olson via Digitalmars-d]

On Sunday, 19 April 2015 at 07:36:13 UTC, Jonathan M Davis wrote:
> I am consistently seeing this when I try and run druntime's 
> unit tests on
> FreeBSD for either 2.067 or master:
>
> 0.000s PASS release64 object
> 0.000s PASS release64 core.atomic
> 0.008s PASS release64 core.bitop
> 0.000s PASS release64 core.checkedint
> 0.000s PASS release64 core.demangle
> 0.000s PASS release64 core.exception
> 0.000s PASS release64 core.math
> 0.000s PASS release64 core.memory
> posix.mak:230: recipe for target 'obj/64/core/thread' failed
> gmake: *** [obj/64/core/thread] Illegal instruction
> gmake: *** Deleting file 'obj/64/core/thread'

  Do you know what thread.d unittest this happens in?  I am 
betting it is Fiber related.