Reverting r46361 (http://llvm.org/viewvc/llvm-project?rev=46361&view=rev) until I diagnose the source of the failures it causes in the test suite.
Reverting r46361 (http://llvm.org/viewvc/llvm-project?rev=46361&view=rev) until
I diagnose the source of the failures it causes in the test suite.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@46376 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang