diff --git a/tests/queries/0_stateless/03171_condition_pushdown.reference b/tests/queries/0_stateless/03171_condition_pushdown.reference
new file mode 100644
index 000000000000..c7e6479af3b9
--- /dev/null
+++ b/tests/queries/0_stateless/03171_condition_pushdown.reference
@@ -0,0 +1,2 @@
+123	123
+456	456
diff --git a/tests/queries/0_stateless/03171_condition_pushdown.sql b/tests/queries/0_stateless/03171_condition_pushdown.sql
new file mode 100644
index 000000000000..9cfe41ce9210
--- /dev/null
+++ b/tests/queries/0_stateless/03171_condition_pushdown.sql
@@ -0,0 +1,6 @@
+-- This query succeeds only if it is correctly optimized.
+SET allow_experimental_analyzer = 1;
+SELECT * FROM (SELECT * FROM numbers(1e19)) AS t1, (SELECT * FROM numbers(1e19)) AS t2 WHERE t1.number IN (123, 456) AND t2.number = t1.number ORDER BY ALL;
+
+-- Still TODO:
+-- SELECT * FROM (SELECT * FROM numbers(1e19)) AS t1, (SELECT * FROM numbers(1e19)) AS t2 WHERE t1.number IN (SELECT 123 UNION ALL SELECT 456) AND t2.number = t1.number ORDER BY ALL;