BUG#751484: Valgrind warning / sporadic crash in evaluate_join_record...

BUG#751484: Valgrind warning / sporadic crash in evaluate_join_record sql_select.cc:14099 with semijoin
- Added testcase. The bug is most likely fixed by MWL#90 code.

mysql-test/r/subselect_sj.result

@@ -1326,4 +1326,36 @@ x
 m
 c
 drop table t1,t2,t3,t4;
+#
+# BUG#751484: Valgrind warning / sporadic crash in evaluate_join_record sql_select.cc:14099 with semijoin
+#
+CREATE TABLE t1 ( f10 int, f11 int, KEY (f10));
+INSERT IGNORE INTO t1 VALUES (0, 0),(0, 0);
+CREATE TABLE t3 ( f10 int);
+INSERT IGNORE INTO t3 VALUES (0);
+set @tmp_751484= @@optimizer_switch;
+set optimizer_switch='materialization=on';
+SELECT * FROM t1
+WHERE f11 IN (
+SELECT C_SQ1_alias1.f11
+FROM t1 AS C_SQ1_alias1
+JOIN t3 AS C_SQ1_alias2
+ON C_SQ1_alias2.f10 = C_SQ1_alias1.f10
+);
+f10	f11
+0	0
+0	0
+set optimizer_switch='materialization=off';
+SELECT * FROM t1
+WHERE f11 IN (
+SELECT C_SQ1_alias1.f11
+FROM t1 AS C_SQ1_alias1
+JOIN t3 AS C_SQ1_alias2
+ON C_SQ1_alias2.f10 = C_SQ1_alias1.f10
+);
+f10	f11
+0	0
+0	0
+set optimizer_switch=@tmp_751484;
+drop table t1, t3;
 set @@optimizer_switch=@save_optimizer_switch;

mysql-test/r/subselect_sj_jcl6.result

@@ -1334,6 +1334,38 @@ x
 m
 c
 drop table t1,t2,t3,t4;
+#
+# BUG#751484: Valgrind warning / sporadic crash in evaluate_join_record sql_select.cc:14099 with semijoin
+#
+CREATE TABLE t1 ( f10 int, f11 int, KEY (f10));
+INSERT IGNORE INTO t1 VALUES (0, 0),(0, 0);
+CREATE TABLE t3 ( f10 int);
+INSERT IGNORE INTO t3 VALUES (0);
+set @tmp_751484= @@optimizer_switch;
+set optimizer_switch='materialization=on';
+SELECT * FROM t1
+WHERE f11 IN (
+SELECT C_SQ1_alias1.f11
+FROM t1 AS C_SQ1_alias1
+JOIN t3 AS C_SQ1_alias2
+ON C_SQ1_alias2.f10 = C_SQ1_alias1.f10
+);
+f10	f11
+0	0
+0	0
+set optimizer_switch='materialization=off';
+SELECT * FROM t1
+WHERE f11 IN (
+SELECT C_SQ1_alias1.f11
+FROM t1 AS C_SQ1_alias1
+JOIN t3 AS C_SQ1_alias2
+ON C_SQ1_alias2.f10 = C_SQ1_alias1.f10
+);
+f10	f11
+0	0
+0	0
+set optimizer_switch=@tmp_751484;
+drop table t1, t3;
 set @@optimizer_switch=@save_optimizer_switch;
 #
 # BUG#49129: Wrong result with IN-subquery with join_cache_level=6 and firstmatch=off

mysql-test/t/subselect_sj.test

@@ -1212,5 +1212,35 @@ LEFT JOIN t2 JOIN t3 ON t3.f10 = t2.f10 ON t3.f11 != 0 );
 
 drop table t1,t2,t3,t4;
 
+--echo #
+--echo # BUG#751484: Valgrind warning / sporadic crash in evaluate_join_record sql_select.cc:14099 with semijoin
+--echo #
+
+CREATE TABLE t1 ( f10 int, f11 int, KEY (f10));
+INSERT IGNORE INTO t1 VALUES (0, 0),(0, 0);
+
+CREATE TABLE t3 ( f10 int);
+INSERT IGNORE INTO t3 VALUES (0);
+
+set @tmp_751484= @@optimizer_switch;
+set optimizer_switch='materialization=on';
+SELECT * FROM t1
+WHERE f11 IN (
+        SELECT C_SQ1_alias1.f11
+        FROM t1 AS C_SQ1_alias1
+        JOIN t3 AS C_SQ1_alias2
+        ON C_SQ1_alias2.f10 = C_SQ1_alias1.f10
+);
+set optimizer_switch='materialization=off';
+SELECT * FROM t1
+WHERE f11 IN (
+        SELECT C_SQ1_alias1.f11
+        FROM t1 AS C_SQ1_alias1
+        JOIN t3 AS C_SQ1_alias2
+        ON C_SQ1_alias2.f10 = C_SQ1_alias1.f10
+);
+set optimizer_switch=@tmp_751484;
+drop table t1, t3;
+
 # The following command must be the last one the file 
 set @@optimizer_switch=@save_optimizer_switch;