From b45a3b7cdd34abcc0d3c97db6e8a0d393286400a Mon Sep 17 00:00:00 2001
From: Conrad Poelman <cpgithub@stellarscience.com>
Date: Sat, 25 Jan 2020 16:07:29 -0500
Subject: [PATCH] MSVC "assignment within conditional" warning fix

The latest MSVC 2019 issues a warning on this line. This change performs the assignment prior to the conditional.
---
 include/boost/intrusive/bstree_algorithms.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/boost/intrusive/bstree_algorithms.hpp b/include/boost/intrusive/bstree_algorithms.hpp
index 9088911..3eea0b4 100644
--- a/include/boost/intrusive/bstree_algorithms.hpp
+++ b/include/boost/intrusive/bstree_algorithms.hpp
@@ -1014,7 +1014,8 @@ class bstree_algorithms : public bstree_algorithms_base<NodeTraits>
       while(x){
          ++depth;
          y = x;
-         x = (left_child = comp(key, x)) ?
+         left_child = comp(key, x);
+         x = left_child ?
                NodeTraits::get_left(x) : (prev = y, NodeTraits::get_right(x));
       }