From b5c25ea058ce3493f12dbc2348c7075cad941976 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ion=20Gazta=C3=B1aga?= <igaztanaga@gmail.com>
Date: Thu, 31 Jan 2019 00:27:30 +0100
Subject: [PATCH] Use boost::container placement new to avoid ambiguities in
 overload resolution.

---
 include/boost/container/detail/block_list.hpp  | 3 ++-
 include/boost/container/detail/block_slist.hpp | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/boost/container/detail/block_list.hpp b/include/boost/container/detail/block_list.hpp
index 1a6057c..0ed0e22 100644
--- a/include/boost/container/detail/block_list.hpp
+++ b/include/boost/container/detail/block_list.hpp
@@ -27,6 +27,7 @@
 #include <boost/intrusive/circular_list_algorithms.hpp>
 #include <boost/move/detail/type_traits.hpp>
 #include <boost/assert.hpp>
+#include <boost/container/detail/placement_new.hpp>
 
 #include <cstddef>
 
@@ -100,7 +101,7 @@ class block_list_base
       if((size_t(-1) - header_size) < size)
          throw_bad_alloc();
       void *p = mr.allocate(size+header_size);
-      block_list_header &mb  = *::new((void*)p) DerivedFromBlockListHeader;
+      block_list_header &mb  = *::new((void*)p, boost_container_new_t()) DerivedFromBlockListHeader;
       mb.size = size+header_size;
       list_algo::link_after(&m_list, &mb);
       return (char *)p + header_size;
diff --git a/include/boost/container/detail/block_slist.hpp b/include/boost/container/detail/block_slist.hpp
index 278e641..890e725 100644
--- a/include/boost/container/detail/block_slist.hpp
+++ b/include/boost/container/detail/block_slist.hpp
@@ -25,6 +25,7 @@
 #include <boost/container/container_fwd.hpp>
 #include <boost/container/pmr/memory_resource.hpp>
 #include <boost/container/throw_exception.hpp>
+#include <boost/container/detail/placement_new.hpp>
 
 #include <boost/move/detail/type_traits.hpp>
 #include <boost/intrusive/linear_slist_algorithms.hpp>
@@ -94,7 +95,7 @@ class block_slist_base
       if((size_t(-1) - header_size) < size)
          throw_bad_alloc();
       void *p = mr.allocate(size+header_size);
-      block_slist_header &mb  = *::new((void*)p) DerivedFromBlockSlistHeader;
+      block_slist_header &mb  = *::new((void*)p, boost_container_new_t()) DerivedFromBlockSlistHeader;
       mb.size = size+header_size;
       slist_algo::link_after(&m_slist, &mb);
       return (char *)p + header_size;