Import wiredtiger: fb527a54117f3865aae8a25557849f1228d48205 from branch mongodb-4.4

ref: af2cb8f052..fb527a5411
for: 4.3.1

WT-4486       Number of syncs did not increase in dirty max test
WT-4977       Migrate Jenkins “wiredtiger-pull-request-clang-analyzer” job to Evergreen
WT-4980       Migrate Jenkins “wiredtiger-pull-request-python” job to Evergreen
WT-4982       Migrate Jenkins “wiredtiger-pull-request-windows” job to Evergreen
WT-5145       Fix the race condition in accessing pinned_timestamp and connection state
WT-5176       Group pull request tasks using Evergreen task tags
WT-5182       Add s_all test into Evergreen ubuntu1804 build variant
WT-5184       Add CFLAGS="-ggdb" and --enable-slient-rules to the evergreen pull request builds' configurations
WT-5187       Checkpoint error path can attempt to release a hazard pointer that isn't held
WT-5193       Revert LAS dropped table change from WT-5150

1 files changed, 0 insertions, 9 deletions

diff --git a/src/third_party/wiredtiger/src/txn/txn.c b/src/third_party/wiredtiger/src/txn/txn.c
index 7aaba221842..68e0c0fa920 100644
--- a/src/third_party/wiredtiger/src/txn/txn.c
+++ b/src/third_party/wiredtiger/src/txn/txn.c
@@ -1547,15 +1547,6 @@ __wt_txn_global_shutdown(WT_SESSION_IMPL *session, const char *config, const cha
         }
     }
 
-    /*
-     * All application transactions have completed, ignore the pinned timestamp so that updates can
-     * be evicted from the cache during connection close.
-     *
-     * Note that we are relying on a special case in __wt_txn_visible_all that returns true during
-     * close when there is no pinned timestamp set.
-     */
-    conn->txn_global.has_pinned_timestamp = false;
-
     return (ret);
 }