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-rw-r--r--src/test/regress/expected/subselect.out9
-rw-r--r--src/test/regress/sql/subselect.sql6
2 files changed, 15 insertions, 0 deletions
diff --git a/src/test/regress/expected/subselect.out b/src/test/regress/expected/subselect.out
index 339b46f2972..7dd2db728bd 100644
--- a/src/test/regress/expected/subselect.out
+++ b/src/test/regress/expected/subselect.out
@@ -449,3 +449,12 @@ from
-----
(0 rows)
+--
+-- Test case for premature memory release during hashing of subplan output
+--
+select '1'::text in (select '1'::name union all select '1'::name);
+ ?column?
+----------
+ t
+(1 row)
+
diff --git a/src/test/regress/sql/subselect.sql b/src/test/regress/sql/subselect.sql
index 46b46b4c45e..257ff9a6a59 100644
--- a/src/test/regress/sql/subselect.sql
+++ b/src/test/regress/sql/subselect.sql
@@ -289,3 +289,9 @@ from
from int8_tbl) sq0
join
int4_tbl i4 on dummy = i4.f1;
+
+--
+-- Test case for premature memory release during hashing of subplan output
+--
+
+select '1'::text in (select '1'::name union all select '1'::name);