[libcxxabi] r322704 - Creating release directory for release_600.

[Hans Wennborg via cfe-commits]

Author: hans
Date: Wed Jan 17 09:50:24 2018
New Revision: 322704

URL: http://llvm.org/viewvc/llvm-project?rev=322704&view=rev
Log:
Creating release directory for release_600.

Added:
    libcxxabi/tags/RELEASE_600/