Add LLDB dataformatters for llvm::StringRef and lldb_private::ConstString

These data formatters make the string value appear in Xcode's
variables view (and on the command line) without having to expand the
data structure.

Differential Revision: https://reviews.llvm.org/D66354

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369175 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed