tree fce1a5383a9dcf03e1468afe3c4b9dcaf84b1552
parent e61ff47ac30f7ce7b06d789f18439d5142ac8c97
parent f5a332553e7947e6b1a5f9ddde97784d715dc685
author Feng Xiao <xiaofeng@google.com> 1441914322 -0700
committer Feng Xiao <xiaofeng@google.com> 1441914322 -0700

Merge pull request #766 from pkasting/hash

Refine check for unordered_{map|set} availability.