From 68d57d8cab7f4a46afa7c229a7c2adc271d8062f Mon Sep 17 00:00:00 2001
From: Romain Geissler <romain.geissler@amadeus.com>
Date: Fri, 22 Mar 2019 10:34:14 +0000
Subject: [PATCH] Fix gcc 9 deprecated copy warnings in antistable.

---
 include/boost/move/algo/predicate.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/boost/move/algo/predicate.hpp b/include/boost/move/algo/predicate.hpp
index 0287d66..01f9586 100644
--- a/include/boost/move/algo/predicate.hpp
+++ b/include/boost/move/algo/predicate.hpp
@@ -28,6 +28,10 @@ struct antistable
       : m_comp(comp)
    {}
 
+   antistable(const antistable & other)
+      : m_comp(other.m_comp)
+   {}
+
    template<class U, class V>
    bool operator()(const U &u, const V & v)
    {  return !m_comp(v, u);  }