From b866bba144e8debcab3e742fb984a2b33b11d979 Mon Sep 17 00:00:00 2001
From: joaquintides <joaquin@tid.es>
Date: Wed, 13 Dec 2023 13:51:05 +0100
Subject: [PATCH] removed counter-based protection on insertion

---
 include/boost/unordered/detail/foa/concurrent_table.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/boost/unordered/detail/foa/concurrent_table.hpp b/include/boost/unordered/detail/foa/concurrent_table.hpp
index 3083a532..d5202d7f 100644
--- a/include/boost/unordered/detail/foa/concurrent_table.hpp
+++ b/include/boost/unordered/detail/foa/concurrent_table.hpp
@@ -1589,7 +1589,7 @@ private:
       boost::uint32_t counter=0;
       {
         //auto lck=access(group_exclusive{},pos0);
-        counter=insert_counter(pos0);
+        //counter=insert_counter(pos0);
       }
       if(unprotected_visit(
         access_mode,k,pos0,hash,std::forward<F>(f)))return 0;
@@ -1610,7 +1610,8 @@ private:
               goto startover;
             }
             //auto lck=access(group_exclusive{},pos0);
-            if(BOOST_UNLIKELY(insert_counter(pos0)++!=counter)){
+            //if(BOOST_UNLIKELY(insert_counter(pos0)++!=counter)){
+            if(false){
               /* other thread inserted from pos0, need to start over */
               pg->reset(n);
               goto startover;