Jason Evans 7b8e74f48f Revert "Define 64-bits atomics unconditionally"
This reverts commit af33e9a59735a2ee72132d3dd6e23fae6d296e34.

This resolves #495.
2016-11-07 11:51:05 -08:00
..
2016-02-29 10:45:49 -08:00