Revert r130750, "Make the mno flags match GCC. Patch by Alexander Best!", it breaks tests.
Revert r130750, "Make the mno flags match GCC. Patch by Alexander Best!", it breaks tests.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@130753 91177308-0d34-0410-b5e6-96231b3b80d8

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