Use std::tr1::unordered_map<T,H> with Visual C++ 9.0 and newer. Fall back on std::map<T> for older versions of Visual C++. This is based on a patch submitted by Ryan Pavlik.
Use std::tr1::unordered_map<T,H> with Visual C++ 9.0 and newer. Fall back on
std::map<T> for older versions of Visual C++. This is based on a patch
submitted by Ryan Pavlik.


git-svn-id: 4c1d02d2f601cbd36a7b4de91b884266deadface@664 bdc45a6f-1a19-0410-8385-c3db3a2b84f1

rpavlik/cppdom-old-fork,rpavlik/cppdom-old-fork,rpavlik/cppdom-old-fork,rpavlik/cppdom-old-fork