PTHManager::Create() now creates a PTHManager even if the PTH file contains no cached tokens. This is for use with -include-pth.
PTHManager::Create() now creates a PTHManager even if the PTH file contains no
cached tokens. This is for use with -include-pth.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@67385 91177308-0d34-0410-b5e6-96231b3b80d8

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