EOF is outside the value range of char on architectures with unsigned char like ARM. Check for EOF explicitly.
EOF is outside the value range of char on architectures with unsigned
char like ARM. Check for EOF explicitly.


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@207859 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb