RFR: 8074319: barrier_set_cast defined via friend injection

[Kim Barrett]

On Mar 3, 2015, at 11:37 AM, Jesper Wilhelmsson <jesper.wilhelmsson at oracle.com> wrote:
> 
> Thanks for fixing this!  I'm not fluid in C++ templates, but it looks good to me. I have verified that it builds fine with Xcode 5 using your patch.

Thanks for your review, and for testing it on a platform I don’t know how to drive.  And thanks for your offer of sponsorship.