Index: src/CodeGen/GenType.cc
===================================================================
--- src/CodeGen/GenType.cc	(revision c7ebbec0b2465582b53d918f1a2b2c24f69f7ef1)
+++ src/CodeGen/GenType.cc	(revision cfbc56ecba6583d7520c7a7a6bf7f4194e8016a0)
@@ -289,5 +289,5 @@
 	std::ostringstream os;
 	os << "typeof(";
-	ast::Pass<CodeGenerator>::read( type, os, options );
+	ast::Pass<CodeGenerator>::read( type->expr.get(), os, options );
 	os << ") " << result;
 	result = os.str();