P 0098 R 1 : Towards Implementation and Use of memory order consume Doc

This document is a revision of WG21/P0098R0, based on email discussion and on discussions at the 2015 meeting at Kona. This is the final version of this document, which is being released for archival purposes. There will be a follow-on document containing a specific proposal for memory order consume. WG21/P0098R0 is itself turn a revision of WG21/N4321, based on email discusssions and including two more proposals in Sections 7.9 and 7.11. This proposal has been further refined by discussions on various email reflectors. WG21/N4321 is itself a revision of WG21/N4215, based on feedback at the 2014 UIUC meeeting and on the various email reflectors. WG21/N4215 is in turn a revision of WG21/N4036, based on feedback at the 2014 Rapperswil meeting, at the 2014 Redmond SG1 meeting, and on the various email reflectors.