From 1c8edf0298b2f49aaf73b6aa948556595e7858c9 Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Tue, 25 Apr 2017 09:54:28 +0100
Subject: [PATCH] Remove early exit for empty containers

---
 include/boost/unordered/detail/implementation.hpp | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/include/boost/unordered/detail/implementation.hpp b/include/boost/unordered/detail/implementation.hpp
index 25a7e615..78b9dd94 100644
--- a/include/boost/unordered/detail/implementation.hpp
+++ b/include/boost/unordered/detail/implementation.hpp
@@ -3107,14 +3107,9 @@ struct table : boost::unordered::detail::functions<typename Types::hasher,
         mlf_ = x.mlf_;
         recalculate_max_load();
 
-        if (!size_ && !x.size_) {
-            new_func_this.commit();
-            return;
-        }
-
         if (x.size_ >= max_load_) {
             create_buckets(min_buckets_for_size(x.size_));
-        } else {
+        } else if (size_) {
             clear_buckets();
         }
 
@@ -3194,14 +3189,9 @@ struct table : boost::unordered::detail::functions<typename Types::hasher,
             mlf_ = x.mlf_;
             recalculate_max_load();
 
-            if (!size_ && !x.size_) {
-                new_func_this.commit();
-                return;
-            }
-
             if (x.size_ >= max_load_) {
                 create_buckets(min_buckets_for_size(x.size_));
-            } else {
+            } else if (size_) {
                 clear_buckets();
             }