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+## Summary
+<!--Explain briefly what goes wrong and explain why you believe this is a bug and not the intended behavior of SQLite (if it is not a crash).-->**No review yet**
+
+## Minimized query
+
+```sql
+BEGIN IMMEDIATE TRANSACTION;
+.limit
+CREATE TABLE T1 (
+  a INTEGER,
+  b TEXT
+);
+CREATE TABLE T2 (
+  a INTEGER,
+  b TEXT
+);
+INSERT INTO T1 VALUES (1,'a'),(2,'b');
+INSERT INTO T2 VALUES (1,'c'),(1,'d');
+SELECT T1.b,
+(
+  SELECT GROUP_CONCAT(b,',')
+  FROM T2
+  WHERE T2.a=T1.a
+) AS c
+FROM T1;
+ROLLBACK;
+```
+
+## Actual output
+
+```sql
+length 1000000000
+          sql_length 1000000000
+              column 2000
+          expr_depth 1000
+     compound_select 500
+             vdbe_op 250000000
+        function_arg 127
+            attached 10
+ like_pattern_length 50000
+     variable_number 32766
+       trigger_depth 1000
+      worker_threads 0
+a|c,d
+b|
+```
+
+## Expectation
+
+```sql
+length 1000000000
+          sql_length 1000000000
+              column 2000
+          expr_depth 1000
+     compound_select 500
+             vdbe_op 250000000
+        function_arg 1000
+            attached 10
+ like_pattern_length 50000
+     variable_number 32766
+       trigger_depth 1000
+      worker_threads 0
+a|c,d
+b|
+```
+
+## Flag
+
+```
+
+```
+