RFR: 8067790: Better support for native implementations of Atomic::cmpxchg

[Kim Barrett]

On Jan 6, 2015, at 4:42 PM, Erik Österlund <erik.osterlund at lnu.se> wrote:
> 
> However, if you really don't want the inheritance check and require a looser contract, I'm willing to give it up and come to your side so we get somewhere even though I disagree about it.

I would prefer to not have the inheritance check.

[I would also prefer better than acquiesence, but it seems I haven't
formed my arguments sufficiently well to fully convince you.]

I'll watch for an updated webrev; hopefully we can bring this to a
conclusion soon.