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git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@313383 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit b28017a6b705ce06cfc0dd8e26bbe642bb30ed0f)

apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm