RFR: 8074319: barrier_set_cast defined via friend injection

[Thomas Schatzl]

Hi,

On Tue, 2015-03-03 at 11:26 -0500, Kim Barrett wrote:
> Please review this small change to the recently added barrier_set_cast
> (see https://bugs.openjdk.java.net/browse/JDK-8069016). The way that
> new function is being defined is unintentionally not standards
> conforming and should not compile, but all of our present official
> test platforms accept it anyway. The code is presently only known to
> fail with the more recent Xcode6.
> 
> I will need a sponsor for this change.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8074319
> 
> Webrev:
> http://cr.openjdk.java.net/~kbarrett/8074319/webrev.00/

  the change looks good to me.

Thanks,
  Thomas