From 29f281fe7ade7afa56073c4ef3906671ad7fb4ee Mon Sep 17 00:00:00 2001
From: Glen Fernandes <glen.fernandes@gmail.com>
Date: Sun, 19 May 2019 21:14:23 -0400
Subject: [PATCH] Add alloc_construct overload for non-const lvalue reference

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

diff --git a/include/boost/core/alloc_construct.hpp b/include/boost/core/alloc_construct.hpp
index c14b05c..7b87525 100644
--- a/include/boost/core/alloc_construct.hpp
+++ b/include/boost/core/alloc_construct.hpp
@@ -107,6 +107,13 @@ alloc_construct(A& a, T* p, const U& u)
 {
     std::allocator_traits<A>::construct(a, p, u);
 }
+
+template<class A, class T, class U>
+inline void
+alloc_construct(A& a, T* p, U& u)
+{
+    std::allocator_traits<A>::construct(a, p, u);
+}
 #endif
 
 template<class A, class T>
@@ -179,6 +186,13 @@ alloc_construct(A&, T* p, const U& u)
 {
     ::new(static_cast<void*>(p)) T(u);
 }
+
+template<class A, class T, class U>
+inline void
+alloc_construct(A&, T* p, U& u)
+{
+    ::new(static_cast<void*>(p)) T(u);
+}
 #endif
 
 template<class A, class T>