Index: src/GenPoly/Box.cc
===================================================================
--- src/GenPoly/Box.cc	(revision 83de11e2c4f6a0d223380e66486b62c64ffebaf9)
+++ src/GenPoly/Box.cc	(revision 10a7775d07dcc9d19f88786e6be9a198720e9cac)
@@ -1947,4 +1947,5 @@
 				UntypedExpr *derefExpr = new UntypedExpr( new NameExpr( "*?" ) );
 				derefExpr->get_args().push_back( derefdVar );
+				// xxx - should set results on derefExpr
 				derefdVar = derefExpr;
 			}