v1-0001-Testcase-Coredump-On-AssertTXNLsnOrder.patch

diff --git a/contrib/test_decoding/specs/catalog_change_snapshot.spec b/contrib/test_decoding/specs/catalog_change_snapshot.spec
index d8b9df97ed..d8a453479d 100644
--- a/contrib/test_decoding/specs/catalog_change_snapshot.spec
+++ b/contrib/test_decoding/specs/catalog_change_snapshot.spec
@@ -19,14 +19,17 @@ teardown
 
 session "s0"
 setup { SET synchronous_commit=on; }
+step "s0_create_temp" { CREATE TEMP TABLE temp_t (id int, data TEXT); }
 step "s0_init" { SELECT 'init' FROM pg_create_logical_replication_slot('isolation_slot', 'test_decoding'); }
 step "s0_begin" { BEGIN; }
+step "s0_txid_current" { SELECT 'xid' FROM txid_current(); }
 step "s0_savepoint" { SAVEPOINT sp1; }
 step "s0_savepoint_release" { RELEASE SAVEPOINT sp1; }
 step "s0_truncate" { TRUNCATE tbl1; }
 step "s0_insert" { INSERT INTO tbl1 VALUES (1); }
 step "s0_insert2" { INSERT INTO user_cat VALUES (1); }
 step "s0_insert_part" { INSERT INTO tbl1_part VALUES (1); }
+step "s0_insert_temp" { INSERT INTO temp_t VALUES(1); }
 step "s0_create_part1" { CREATE TABLE tbl1_part_p1 PARTITION OF tbl1_part FOR VALUES FROM (0) TO (10); }
 step "s0_create_part2" { CREATE TABLE tbl1_part_p2 PARTITION OF tbl1_part FOR VALUES FROM (10) TO (20); }
 step "s0_commit" { COMMIT; }
@@ -75,3 +78,11 @@ permutation "s0_init" "s0_begin" "s0_savepoint" "s0_insert" "s1_checkpoint" "s1_
 # that the corresponding substransaction is also marked as containing a catalog
 # modifying change.
 permutation "s0_init" "s0_begin" "s0_savepoint" "s0_create_part1" "s0_savepoint_release" "s1_checkpoint" "s0_create_part2" "s0_commit" "s0_begin" "s0_truncate" "s1_checkpoint" "s1_get_changes" "s0_insert_part" "s1_get_changes" "s0_commit" "s1_get_changes"
+
+# DML operations on temporary table temp_t consume XIDs, but do not generate WAL records.
+# The last decoding restarts from the first checkpoint and doesn't get any information of
+# last two substransactions that performed s0_insert_temp. While processing the commit record
+# for the corresponding top-level transaction which will be marked as containing catalog
+# change even before commit, we ensure that the corresponding substransaction is added into
+# ReorderBuffer as subxact.
+permutation "s0_create_temp" "s0_init" "s0_begin" "s0_txid_current" "s1_checkpoint" "s0_savepoint" "s0_insert_temp" "s0_savepoint_release" "s0_savepoint" "s0_insert_temp" "s0_savepoint_release" "s0_savepoint" "s0_insert_temp" "s0_savepoint_release" "s0_create_part1" "s1_get_changes" "s0_commit" "s1_get_changes"