From 7e70b700e0a9380e4f504eef7d3e2ed11c0210d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ion=20Gazta=C3=B1aga?= <igaztanaga@gmail.com>
Date: Mon, 13 Jun 2022 00:46:01 +0200
Subject: [PATCH] Add default constructor to key_node_pred()

---
 include/boost/container/detail/compare_functors.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/container/detail/compare_functors.hpp b/include/boost/container/detail/compare_functors.hpp
index a3e5dcb..ae4ffce 100644
--- a/include/boost/container/detail/compare_functors.hpp
+++ b/include/boost/container/detail/compare_functors.hpp
@@ -79,6 +79,9 @@ struct key_node_pred
       :  base_t(comp)
    {}
 
+   BOOST_CONTAINER_FORCEINLINE explicit key_node_pred()
+   {}
+
    typedef boost::intrusive::detail::ebo_functor_holder<KeyPred> base_t;
    typedef KeyPred                     key_predicate;
    typedef KeyOfValue                  key_of_value;