Peter Collingbourne 56109b78c7 Roll gotools to 47f2109c. ... At the same time, perform a number of simplifications: - Rename go.tools directory to gotools. - Import only the go directory; all required Go analysis code and its dependencies have now been moved to this directory. llvm-svn: 225825		2015-01-13 20:45:08 +00:00
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