Fixes a fix to finding the current directory: We currently want to look whether PWD is available - if PWD is available it will get us the non-resolved current path, while fs::current_path will resolve symlinks. The long term fix is to not rely on that behavior any more.
Fixes a fix to finding the current directory:
We currently want to look whether PWD is available - if PWD is available it will
get us the non-resolved current path, while fs::current_path will resolve
symlinks. The long term fix is to not rely on that behavior any more.



git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@154330 91177308-0d34-0410-b5e6-96231b3b80d8

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