Import wiredtiger: e6c749653220cf701c23634cd704ae0c2d882dd9 from branch mongodb-4.0

ref: 7d3e691fd4..e6c7496532
for: 4.0.1

WT-3839       Document the undefined behavior when a range truncate overlaps with inserts
WT-3917       Enhance WT_CURSOR::reserve documentation around commit visibility
WT-4024       Fix a race between split and next/prev
WT-4048       Generalize timing_stress_for_test split functionality
WT-4067       Enhance LSM to not pin as much history in cache
WT-4101       Don't abort the eviction server during session verify when oldest_timestamp is held back
WT-4111       Improve checkpoint scrubbing algorithm
WT-4125       Ensure that subsequent checkpoints with stable timestamp don't read too much
WT-4133       Coverity 1393445, 1393446 Dereference before null check
WT-4136       Add a new timing stress flag that yields during tree search
WT-4138       Add an option to timeout waiting for space in the cache
WT-4139       rename the cursor restart statistic to match implementation
WT-4140       Cursor walk limits quick eviction page selection unnecessarily.
WT-4141       Enhance checkpoint with timestamps to unblock eviction sooner
WT-4143       Use WiredTiger.turtle.set if it exists but WiredTiger.turtle does not
WT-4145       Only include the checkpoint timestamp during checkpoints
WT-4146       Coverity 1393639, unused variable
WT-4152       Save return value for later comparison in transaction code
WT-4163       Lint

1 files changed, 2 insertions, 0 deletions

diff --git a/src/third_party/wiredtiger/test/format/format.h b/src/third_party/wiredtiger/test/format/format.h
index 0eca6657dd9..1406d2b3fb5 100644
--- a/src/third_party/wiredtiger/test/format/format.h
+++ b/src/third_party/wiredtiger/test/format/format.h
@@ -221,6 +221,8 @@ typedef struct {
 	uint32_t c_timing_stress_split_5;
 	uint32_t c_timing_stress_split_6;
 	uint32_t c_timing_stress_split_7;
+	uint32_t c_timing_stress_split_8;
+	uint32_t c_timing_stress_split_9;
 	uint32_t c_truncate;
 	uint32_t c_txn_freq;
 	uint32_t c_txn_timestamps;