Index: src/SymTab/Indexer.cc
===================================================================
--- src/SymTab/Indexer.cc	(revision 630a82a5214317b27ab087ea8d7665b217527f07)
+++ src/SymTab/Indexer.cc	(revision e55ca0532660df6b168cbfe023499f87bda57a53)
@@ -344,4 +344,9 @@
 		maybeAccept( offsetofExpr->get_type(), *this );
 		maybeAccept( offsetofExpr->get_member(), *this );
+	}
+
+	void Indexer::visit( OffsetPackExpr *offsetPackExpr ) {
+		acceptAllNewScope( offsetPackExpr->get_results(), *this );
+		maybeAccept( offsetPackExpr->get_type(), *this );
 	}
 
Index: src/SymTab/Indexer.h
===================================================================
--- src/SymTab/Indexer.h	(revision 630a82a5214317b27ab087ea8d7665b217527f07)
+++ src/SymTab/Indexer.h	(revision e55ca0532660df6b168cbfe023499f87bda57a53)
@@ -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 );