Index: src/ResolvExpr/AlternativeFinder.cc
===================================================================
--- src/ResolvExpr/AlternativeFinder.cc	(revision db4ecc5dc5f63e878081bdb8834e09944e3d08b7)
+++ src/ResolvExpr/AlternativeFinder.cc	(revision b617e4bc8efed571f2132d8e906a00514e74c8e1)
@@ -848,4 +848,8 @@
 	}
 
+	void AlternativeFinder::visit( OffsetPackExpr *offsetPackExpr ) {
+		alternatives.push_back( Alternative( offsetPackExpr->clone(), env, Cost::zero ) );
+	}
+
 	void AlternativeFinder::resolveAttr( DeclarationWithType *funcDecl, FunctionType *function, Type *argType, const TypeEnvironment &env ) {
 		// assume no polymorphism
Index: src/ResolvExpr/AlternativeFinder.h
===================================================================
--- src/ResolvExpr/AlternativeFinder.h	(revision db4ecc5dc5f63e878081bdb8834e09944e3d08b7)
+++ src/ResolvExpr/AlternativeFinder.h	(revision b617e4bc8efed571f2132d8e906a00514e74c8e1)
@@ -59,4 +59,5 @@
 		virtual void visit( UntypedOffsetofExpr *offsetofExpr );
 		virtual void visit( OffsetofExpr *offsetofExpr );
+		virtual void visit( OffsetPackExpr *offsetPackExpr );
 		virtual void visit( AttrExpr *attrExpr );
 		virtual void visit( LogicalExpr *logicalExpr );