with the groundwork out of the way, we can now namebind types referenced

by the SIL parser.  Add a test that covers both local types, and types
that require looking through an import decl (Int, from the stdlib).


Swift SVN r5249

include/swift/AST/Module.h

@@ -77,7 +77,7 @@ public:
   /// ASTStage - Defines what phases of parsing and semantic analysis are
   /// complete for the given AST.  This should only be used for assertions and
   /// verification purposes.
-  enum {
+  enum ASTStage_t {
     /// Parsing is underway.
     Parsing,
     /// Parsing has completed.