make sure that UINTMAX_MAX has an unsigned type.  This assumes that  uintmax_t is unsigned long long, which is not optimal, but is assumed  elsewhere already.
make sure that UINTMAX_MAX has an unsigned type.  This assumes that 
uintmax_t is unsigned long long, which is not optimal, but is assumed 
elsewhere already.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@64007 91177308-0d34-0410-b5e6-96231b3b80d8

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