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diff --git a/test/tkt-3a77c9714e.test b/test/tkt-3a77c9714e.test
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+++ b/test/tkt-3a77c9714e.test
@@ -0,0 +1,86 @@
+# 2011-12-06
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests to verify that ticket [3a77c9714e] has been
+# fixed.  
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable !compound {
+  finish_test
+  return
+}
+
+set testprefix "tkt-3a77c9714e"
+
+do_execsql_test 1.1 {
+  CREATE TABLE t1(t1_id INTEGER PRIMARY KEY, t1_title TEXT);
+  CREATE TABLE t2(t2_id INTEGER PRIMARY KEY, t2_title TEXT);
+  CREATE TABLE t3(t3_id INTEGER PRIMARY KEY, t3_title TEXT);
+
+  INSERT INTO t1 (t1_id, t1_title) VALUES (888, 'ABCDEF');
+  INSERT INTO t2 (t2_id, t2_title) VALUES (999, 'ABCDEF');
+  INSERT INTO t3 (t3_id, t3_title) VALUES (999, 'ABCDEF');
+}
+
+do_execsql_test 1.2 {
+  SELECT t1_title, t2_title
+  FROM t1 LEFT JOIN t2
+  WHERE
+    t2_id = (SELECT t3_id FROM
+     ( SELECT t3_id FROM t3 WHERE t3_title=t1_title LIMIT 500 )
+  )
+} {ABCDEF ABCDEF}
+
+do_execsql_test 2.1 {
+  CREATE TABLE [Beginnings] (
+    [Id] INTEGER PRIMARY KEY AUTOINCREMENT,[Title] TEXT, [EndingId] INTEGER
+  );
+  CREATE TABLE [Endings] (Id INT,Title TEXT,EndingId INT);
+  INSERT INTO Beginnings (Id, Title, EndingId) VALUES (1, 'FACTOR', 18);
+  INSERT INTO Beginnings (Id, Title, EndingId) VALUES (2, 'SWIMM', 18);
+  INSERT INTO Endings (Id, Title, EndingId) VALUES (1, 'ING', 18);
+}
+
+do_execsql_test 2.2 {
+  SELECT
+    SrcWord, Beginnings.Title
+    FROM 
+      (SELECT 'FACTORING' AS SrcWord UNION SELECT 'SWIMMING' AS SrcWord )
+    LEFT JOIN 
+      Beginnings
+    WHERE Beginnings.Id= (
+      SELECT BeginningId FROM (
+        SELECT SrcWord, B.Id as BeginningId, B.Title || E.Title As Connected
+        FROM Beginnings B LEFT JOIN Endings E ON B.EndingId=E.EndingId
+        WHERE Connected=SrcWord LIMIT 1
+      )
+    )
+} {FACTORING FACTOR SWIMMING SWIMM} 
+
+# Similar problem discovered by dbsqlfuzz on 2019-09-18
+#
+do_execsql_test 3.0 {
+  DROP TABLE IF EXISTS t1;
+  CREATE TABLE t1(i INT PRIMARY KEY, a, b);
+  INSERT INTO t1 VALUES(NULL,'one','i');
+  CREATE INDEX i1a ON t1(a);
+  CREATE INDEX i1b ON t1(b);
+  SELECT (SELECT 1
+            FROM (SELECT 1 FROM t1 WHERE a=1 OR b='i')
+           WHERE a='o'
+              OR b IN (SELECT a=('b' IN (SELECT 'a'))))
+    FROM t1;
+} {{}}
+
+finish_test