Index: src/InitTweak/InitModel.h
===================================================================
--- src/InitTweak/InitModel.h	(revision db4ecc5dc5f63e878081bdb8834e09944e3d08b7)
+++ src/InitTweak/InitModel.h	(revision 356189ae6aa5eeb5c37aa8f28f8cff067fb2f919)
@@ -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; }