[libcxx] r322702 - Creating release directory for release_600.

[Hans Wennborg via cfe-commits]

Author: hans
Date: Wed Jan 17 09:50:21 2018
New Revision: 322702

URL: http://llvm.org/viewvc/llvm-project?rev=322702&view=rev
Log:
Creating release directory for release_600.

Added:
    libcxx/tags/RELEASE_600/