Index: src/GenPoly/Box.cc
===================================================================
--- src/GenPoly/Box.cc	(revision 9f2012f92e024a65ddf3856c93f9664f8b327a1c)
+++ src/GenPoly/Box.cc	(revision 2efe4b8f0141e181a04fcc0495d13a8c7a0a06b9)
@@ -283,6 +283,6 @@
 		for ( std::list< TypeDecl* >::const_iterator param = otypeParams.begin(); 
 				param != otypeParams.end(); ++param ) {
-			TypeInstType paramType( Type::Qualifiers(), (*param)->get_name(), *param );
-			std::string paramName = mangleType( &paramType );
+			auto paramType = new TypeInstType( Type::Qualifiers(), (*param)->get_name(), *param );
+			std::string paramName = mangleType( paramType );
 			layoutFnType->get_parameters().push_back( new ObjectDecl( sizeofName( paramName ), Type::StorageClasses(), LinkageSpec::Cforall, 0, sizeAlignType->clone(), 0 ) );
 			layoutFnType->get_parameters().push_back( new ObjectDecl( alignofName( paramName ), Type::StorageClasses(), LinkageSpec::Cforall, 0, sizeAlignType->clone(), 0 ) );
@@ -1436,6 +1436,6 @@
 			if ( Type * base = typeDecl->base ) {
 				// add size/align variables for opaque type declarations
-				TypeInstType inst( Type::Qualifiers(), typeDecl->name, typeDecl );
-				std::string typeName = mangleType( &inst );
+				auto inst = new TypeInstType( Type::Qualifiers(), typeDecl->name, typeDecl );
+				std::string typeName = mangleType( inst );
 				Type *layoutType = new BasicType( Type::Qualifiers(), BasicType::LongUnsignedInt );