tree 7c7154f957b56d1c4e8623ecf37c61ce846275b5
parent b1b9c254e2d1c7929f8072b82a7a0fb415ba3b75
author Yangqing Jia <jiayq84@gmail.com> 1449369378 -0800
committer Yangqing Jia <jiayq84@gmail.com> 1449369378 -0800

Arena type traits standardization.

This is adapted from the branch of @xfxyjwf at:

https://github.com/xfxyjwf/protobuf/commit/494716a682ef854168e92231a3cdcc89d587d9b9

and should solve the protobuf compilation problem against nvcc.

Tested against nvcc 6.5 and 7.0.