introduce a new "Builtin.RawPointer" type, which corresponds to LLVM's "i8*" type,

and is just an unmanaged pointer.  Also, introduce a basic swift.string type.

This is progress towards rdar://10923403 and strings.  Review welcome.



Swift SVN r1349

lib/Parse/ParsePattern.cpp

@@ -27,6 +27,7 @@ static bool checkFullyTyped(Parser &P, Type type) {
   case TypeKind::Error:
   case TypeKind::BuiltinInteger:
   case TypeKind::BuiltinFloat:
+  case TypeKind::BuiltinRawPointer:
   case TypeKind::BuiltinObjectPointer:
   case TypeKind::NameAlias: // FIXME: underlying type could be non-fully-typed!
   case TypeKind::Identifier: