LLVM and TLS

[Martin Nowak via digitalmars-d-ldc]

On Tuesday, 17 February 2015 at 06:16:04 UTC, Dan Olson wrote:
> Try LDC and see if the performance improves because LDC uses OS 
> X native TLS.

Is there more information available abput OSX' TLS support and 
how this is implemented in LDX? What version of OSX is required? 
I'd very much like to use that for DMD/druntime too, so that we 
can go on with the shared library support.