[aarch64-port-dev ] RFR: 8144993: Elide redundant memory barrier after AllocationNode

[Andrew Haley]

On 12/15/2015 02:54 PM, Lindenmaier, Goetz wrote:
> I.e., an object passed to a callee that is a pure function
> can not be scalar replaced, as you have to keep the object 
> layout to pass it down.
> But the callee does not publish the reference to any other
> thread, so we don't need to execute locks. Also, we
> can remove barriers.

So the answer is obvious, surely?  We can elide the locks only if
NoEscape.

Andrew.