enable Atomic*.{load,store} for ARMv6-M / MSP430#51953

Merged

bors merged 3 commits intorust-lang:masterfrom japaric:atomic-load-store

Jul 6, 2018

+52-13

Commits on Jul 5, 2018

Commits on Jul 6, 2018

update run-pass test
japaric
committed