travis-ci/travis-build — pull request #327 by bd808 (2014-11-10 17:11:36+00:00)
Title: Ensure that HHVM defined session.save_path exists

Work around hhvm/packaging#81 by ensuring that any session.save_path
defined in /etc/hhvm/php.ini is created on the local file system. This
change is intended to fix travis-ci/travis-ci#2942.