RFR(S): 8211233: MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better

[Tobias Hartmann]

Hi Roland,

On 11.10.2018 08:59, Tobias Hartmann wrote:
> I've submitted some extended testing and will let you know once it's finished.

All passed, good to push.

Best regards,
Tobias