[libcxxabi] r291821 - Creating release_40 branch off revision 291814

[Hans Wennborg via cfe-commits]

Author: hans
Date: Thu Jan 12 15:25:46 2017
New Revision: 291821

URL: http://llvm.org/viewvc/llvm-project?rev=291821&view=rev
Log:
Creating release_40 branch off revision 291814

Added:
    libcxxabi/branches/release_40/
      - copied from r291814, libcxxabi/trunk/