ref: ad943aa817b78b73cfe63dcbc8737abe264b3c9c
parent: d009c2360e899c13690dae679787243481d56379
parent: 0a86adb767037109b95afff7ca1c6a492535dd4f
author: Yaowu Xu <yaowu@google.com>
date: Fri May 30 06:33:29 EDT 2014
Merge "Do not export non-existant symbols"