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-rw-r--r--mysql-test/r/subselect.result8
1 files changed, 8 insertions, 0 deletions
diff --git a/mysql-test/r/subselect.result b/mysql-test/r/subselect.result
index 4cc3cd4a85f..c1c35e0e3ec 100644
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@@ -7007,3 +7007,11 @@ id select_type table type possible_keys key key_len ref rows Extra
2 SUBQUERY t1 index a a 5 NULL 2 Using where; Using index
2 SUBQUERY t2 ref b b 5 test.t1.a 2 Using index
DROP TABLE t1,t2;
+#
+# MDEV-5991: crash in Item_field::used_tables
+#
+create table t1 (c int);
+select exists(select 1 from t1 group by `c` in (select `c` from t1));
+exists(select 1 from t1 group by `c` in (select `c` from t1))
+0
+drop table t1;