K 10
svn:author
V 3
dim
K 8
svn:date
V 27
2017-07-30T18:01:34.252867Z
K 7
svn:log
V 179
Upgrade our copies of clang, llvm, lld and lldb to r309439 from the
upstream release_50 branch.  This is just after upstream's 5.0.0-rc1.

MFC after:	2 months
X-MFC-with:	r321369

END