Import wiredtiger: 9cf2f89d6d95e1de797f05ab1fef28695f8bae7b from branch mongodb-3.2r3.2.10-rc2r3.2.10

ref: bb18c43915..9cf2f89d6d
for: 3.2.10

WT-2864       Reconfiguring the checkpoint server can lead to hangs
WT-2874       Change test_compact01 to avoid eviction
WT-2918       The dist scripts create C files s_whitespace complains about
WT-2919       Don't mask error returns from style checking scripts
WT-2921       Reduce the WT_SESSION hazard_size when possible
WT-2923       heap-use-after-free on address in compaction
WT-2924       Ensure we are doing eviction when threads are waiting for it
WT-2925       WT_THREAD_PANIC_FAIL is a WT_THREAD structure flag
WT-2926       WT_CONNECTION.reconfigure can attempt unlock of not-locked lock
WT-2928       Eviction failing to switch queues can lead to starvation

1 files changed, 3 insertions, 2 deletions

diff --git a/src/third_party/wiredtiger/src/support/hazard.c b/src/third_party/wiredtiger/src/support/hazard.c
index 8ac8f5f9f6d..46b63ac6129 100644
--- a/src/third_party/wiredtiger/src/support/hazard.c
+++ b/src/third_party/wiredtiger/src/support/hazard.c
@@ -166,9 +166,10 @@ __wt_hazard_clear(WT_SESSION_IMPL *session, WT_PAGE *page)
 
 			/*
 			 * If this was the last hazard pointer in the session,
-			 * we may need to update our transactional context.
+			 * reset the size so that checks can skip this session.
 			 */
-			--session->nhazard;
+			if (--session->nhazard == 0)
+				WT_PUBLISH(session->hazard_size, 0);
 			return (0);
 		}