[astmatchers] Move a matcher out of internal namespace: blind debugging of MSVC issues
[astmatchers] Move a matcher out of internal namespace: blind debugging of MSVC issues

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@328750 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit 85c1a32cd398e0e5dbb965a4e0d8ee25899cde62)

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang