From 40281c4e0ab5e95a8180cecaeb1a2880ab7b7060 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Thu, 4 Dec 2025 23:38:56 -0500
Subject: [PATCH] xo-ordinaltree: rbtree ops satisfy gc write barriers

---
 include/xo/alloc/Object.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/xo/alloc/Object.hpp b/include/xo/alloc/Object.hpp
index 742fba4c..5f31356f 100644
--- a/include/xo/alloc/Object.hpp
+++ b/include/xo/alloc/Object.hpp
@@ -121,7 +121,7 @@ namespace xo {
         virtual TaggedPtr self_tp() const;
 
         /** print on stream @p os **/
-        virtual void display(std::ostream & os) const = 0;
+        virtual void display(std::ostream & os) const;
 
         // Inherited from IObject..