Merge clang, llvm, and lld from upstream, change #195553
Merge branch 'vendor'
lld, llvm, and clang from upstream @195553

Conflicts:
	configure
	tools/Makefile
	tools/lld/lib/ReaderWriter/MachO/WriterMachO.cpp
	tools/lld/lib/ReaderWriter/Native/ReaderNative.cpp