Previously we limited ourselves to only emitting nested classes, but we
need other kinds of types as well.
This fixes the Visual Studio STL visualizers, so that users can
visualize std::string and other objects.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310410 91177308-0d34-0410-b5e6-96231b3b80d8
Reid Kleckner