svn commit: r321692 - vendor/llvm/llvm-release_50-r309439

[Dimitry Andric]

Author: dim
Date: Sat Jul 29 21:25:26 2017
New Revision: 321692
URL: https://svnweb.freebsd.org/changeset/base/321692

Log:
  Tag llvm release_50 branch r309439.

Added:
  vendor/llvm/llvm-release_50-r309439/
     - copied from r321691, vendor/llvm/dist/