facebook/hhvm — pull request #4462 by denji (2014-12-16 05:16:50+00:00)
Title: Travis-CI support OS X and GCC-4.8

[Travis-CI support GCC-4.8 and XCode 6.1](http://blog.travis-ci.com/2014-11-03-xcode-61-beta/) and travis-ci/travis-ci#2423