when creating custom warning diagnostics, do not attempt to map them with -Werror.  Custom diags cannot be mapped, and this makes -Werror cause a determinstic crash for the checker and other clients of the custom diagnostics machinery.  rdar://6816191
when creating custom warning diagnostics, do not attempt to map
them with -Werror.  Custom diags cannot be mapped, and this makes
-Werror cause a determinstic crash for the checker and other
clients of the custom diagnostics machinery.  rdar://6816191


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@70639 91177308-0d34-0410-b5e6-96231b3b80d8

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