Index: src/GenPoly/ScrubTyVars.cc
===================================================================
--- src/GenPoly/ScrubTyVars.cc	(revision b8a4f47b1e7e8762a51ca29faaf9b54178526589)
+++ src/GenPoly/ScrubTyVars.cc	(revision 4cae0326b26fb02ebb30b224fde8c2f09b989ffd)
@@ -50,4 +50,6 @@
 				delete typeInst;
 				return new PointerType( Type::Qualifiers(), new FunctionType( Type::Qualifiers(), true ) );
+			  default:
+				assertf(false, "Unhandled tyvar kind: %d", tyVar->second.kind);
 			} // switch
 		} // if