Index: src/Tuples/TupleExpansion.cpp
===================================================================
--- src/Tuples/TupleExpansion.cpp	(revision 405dbb3dc0bf53a5e27aeee89a3c36cf51b1d7ac)
+++ src/Tuples/TupleExpansion.cpp	(revision 29075d1e4c22e096eb350d86267c83b273bb0de7)
@@ -28,5 +28,5 @@
 };
 
-struct UniqueExprExpander final : public ast::WithDeclsToAdd<> {
+struct UniqueExprExpander final : public ast::WithDeclsToAdd {
 	const ast::Expr * postvisit( const ast::UniqueExpr * unqExpr );
 	// Not a vector, because they may not be adding in increasing order.
@@ -37,5 +37,5 @@
 struct TupleMainExpander final :
 		public ast::WithCodeLocation,
-		public ast::WithDeclsToAdd<>,
+		public ast::WithDeclsToAdd,
 		public ast::WithGuards,
 		public ast::WithVisitorRef<TupleMainExpander> {