Don't warn about -Winvalid-pch or -Wno-invalid-pch. Since we don't search for PCH files that correspond to header inclusions, this option does not make sense. Fixes <rdar://problem/6970322>.
Don't warn about -Winvalid-pch or -Wno-invalid-pch. Since we don't
search for PCH files that correspond to header inclusions, this option
does not make sense. Fixes <rdar://problem/6970322>.



git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@73563 91177308-0d34-0410-b5e6-96231b3b80d8

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