Index: src/InitTweak/InitModel.h
===================================================================
--- src/InitTweak/InitModel.h	(revision 2a4b0884c14643e09650daaeb3a6667b5bff6b48)
+++ src/InitTweak/InitModel.h	(revision afc1045a9ddab4e6d7c524844fc6895bf4ef52ec)
@@ -75,4 +75,5 @@
 			void visit( UntypedOffsetofExpr * ) { throw 0; }
 			void visit( OffsetofExpr * ) { throw 0; }
+			void visit( OffsetPackExpr * ) { throw 0; }
 			void visit( AttrExpr * ) { throw 0; }
 			void visit( LogicalExpr * ) { throw 0; }