// For now, I'm building without RTTI because LLVM builds that way by
// default and so we need to build that way to use the command line supprt.
// If you build LLVM with RTTI this can be changed back to a dynamic_cast.
// For now, I'm building without RTTI because LLVM builds that way by
// default and so we need to build that way to use the command line supprt.
// If you build LLVM with RTTI this can be changed back to a dynamic_cast.