<rdar://problem/13341472>

LLDB wasn't printing the names for negative enums. Fixed the signed extraction of enumerators and how they were registered with clang's type system.



git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@176533 91177308-0d34-0410-b5e6-96231b3b80d8