Driver: Pass -f[no-]pascal-strings on to clang, even if it has been turned into -m[no-]pascal-strings by the tool chain.  - This still has issue that derived arguments don't propogate "used"    information correctly so spurious "argument unused" warnings will    still show up.
Driver: Pass -f[no-]pascal-strings on to clang, even if it has been
turned into -m[no-]pascal-strings by the tool chain.
 - This still has issue that derived arguments don't propogate "used"
   information correctly so spurious "argument unused" warnings will
   still show up.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@67841 91177308-0d34-0410-b5e6-96231b3b80d8

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