From bde233eea59db38499e0a4b1ed2c0580c3348b3d Mon Sep 17 00:00:00 2001
From: Romain Geissler <romain.geissler@amadeus.com>
Date: Fri, 22 Mar 2019 10:26:50 +0000
Subject: [PATCH] Avoid gcc 9 deprecated copy warnings in new_allocator.hpp.

---
 include/boost/container/new_allocator.hpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/boost/container/new_allocator.hpp b/include/boost/container/new_allocator.hpp
index 51065ef..9af015d 100644
--- a/include/boost/container/new_allocator.hpp
+++ b/include/boost/container/new_allocator.hpp
@@ -72,6 +72,13 @@ class new_allocator<void>
    new_allocator(const new_allocator &) BOOST_NOEXCEPT_OR_NOTHROW
    {}
 
+   //!Copy assignment operator from other new_allocator.
+   //!Never throws
+   new_allocator& operator=(const new_allocator &) BOOST_NOEXCEPT_OR_NOTHROW
+   {
+       return *this;
+   }
+
    //!Constructor from related new_allocator.
    //!Never throws
    template<class T2>
@@ -130,6 +137,13 @@ class new_allocator
    new_allocator(const new_allocator &) BOOST_NOEXCEPT_OR_NOTHROW
    {}
 
+   //!Copy assignment operator from other new_allocator.
+   //!Never throws
+   new_allocator& operator=(const new_allocator &) BOOST_NOEXCEPT_OR_NOTHROW
+   {
+       return *this;
+   }
+
    //!Constructor from related new_allocator.
    //!Never throws
    template<class T2>