Fix after manual merge: add tests from 5.0.

mysql-test/extra/rpl_tests/rpl_insert_id.test:
  Add test case for bug#21726: Incorrect result with multiple invocations
  of LAST_INSERT_ID, and 5.0 version of test case for bug#20339: stored
  procedure using LAST_INSERT_ID() does not replicate statement-based.
mysql-test/r/rpl_insert_id.result:
  Update result.

mysql-test/extra/rpl_tests/rpl_insert_id.test

@@ -276,10 +276,139 @@ connection master;
 drop table t1;
 sync_slave_with_master;
 
+
+#
+# BUG#20339: stored procedure using LAST_INSERT_ID() does not
+# replicate statement-based.
+#
+# There is another version of the test for bug#20339 above that is
+# actually originates in 5.1, and this is the version that is merged
+# from 5.0.
+#
+connection master;
+
+--disable_warnings
+DROP PROCEDURE IF EXISTS p1;
+DROP TABLE IF EXISTS t1, t2;
+--enable_warnings
+
+# Reset result of LAST_INSERT_ID().
+SELECT LAST_INSERT_ID(0);
+
+CREATE TABLE t1 (
+  id INT NOT NULL DEFAULT 0,
+  last_id INT,
+  PRIMARY KEY (id)
+);
+
+CREATE TABLE t2 (
+  id INT NOT NULL AUTO_INCREMENT,
+  last_id INT,
+  PRIMARY KEY (id)
+);
+
+delimiter |;
+CREATE PROCEDURE p1()
+BEGIN
+  INSERT INTO t2 (last_id) VALUES (LAST_INSERT_ID());
+  INSERT INTO t1 (last_id) VALUES (LAST_INSERT_ID());
+END|
+delimiter ;|
+
+CALL p1();
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+sync_slave_with_master;
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+connection master;
+
+DROP PROCEDURE p1;
+DROP TABLE t1, t2;
+
+
+#
+# BUG#21726: Incorrect result with multiple invocations of
+# LAST_INSERT_ID
+#
+--disable_warnings
+DROP PROCEDURE IF EXISTS p1;
+DROP FUNCTION IF EXISTS f1;
+DROP FUNCTION IF EXISTS f2;
+DROP TABLE IF EXISTS t1, t2;
+--enable_warnings
+
+CREATE TABLE t1 (
+    i INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    j INT DEFAULT 0
+);
+CREATE TABLE t2 (i INT);
+
+delimiter |;
+CREATE PROCEDURE p1()
+BEGIN
+  INSERT INTO t1 (i) VALUES (NULL);
+  INSERT INTO t2 (i) VALUES (LAST_INSERT_ID());
+  INSERT INTO t1 (i) VALUES (NULL), (NULL);
+  INSERT INTO t2 (i) VALUES (LAST_INSERT_ID());
+END |
+
+CREATE FUNCTION f1() RETURNS INT MODIFIES SQL DATA
+BEGIN
+  INSERT INTO t1 (i) VALUES (NULL);
+  INSERT INTO t2 (i) VALUES (LAST_INSERT_ID());
+  INSERT INTO t1 (i) VALUES (NULL), (NULL);
+  INSERT INTO t2 (i) VALUES (LAST_INSERT_ID());
+  RETURN 0;
+END |
+
+CREATE FUNCTION f2() RETURNS INT NOT DETERMINISTIC
+  RETURN LAST_INSERT_ID() |
+delimiter ;|
+
+INSERT INTO t1 VALUES (NULL, -1);
+CALL p1();
+SELECT f1();
+INSERT INTO t1 VALUES (NULL, f2()), (NULL, LAST_INSERT_ID()),
+                      (NULL, LAST_INSERT_ID()), (NULL, f2()), (NULL, f2());
+INSERT INTO t1 VALUES (NULL, f2());
+INSERT INTO t1 VALUES (NULL, LAST_INSERT_ID()), (NULL, LAST_INSERT_ID(5)),
+                      (NULL, @@LAST_INSERT_ID);
+# Test replication of substitution "IS NULL" -> "= LAST_INSERT_ID".
+INSERT INTO t1 VALUES (NULL, 0), (NULL, LAST_INSERT_ID());
+UPDATE t1 SET j= -1 WHERE i IS NULL;
+
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+sync_slave_with_master;
+SELECT * FROM t1;
+SELECT * FROM t2;
+
+connection master;
+DROP PROCEDURE p1;
+DROP FUNCTION f1;
+DROP FUNCTION f2;
+DROP TABLE t1, t2;
+
+
+sync_slave_with_master;
+
 --echo #
 --echo # End of 5.0 tests
 --echo #
 
+# Tests in this file are tightly bound together.  Recreate t2.
+connection master;
+create table t2 (
+  id int not null auto_increment,
+  last_id int,
+  primary key (id)
+);
+
+
 # Test for BUG#20341 "stored function inserting into one
 # auto_increment puts bad data in slave"
 

mysql-test/r/rpl_insert_id.result

@@ -395,6 +395,11 @@ DROP TABLE t1, t2;
 #
 # End of 5.0 tests
 #
+create table t2 (
+id int not null auto_increment,
+last_id int,
+primary key (id)
+);
 truncate table t2;
 create table t1 (id tinyint primary key);
 create function insid() returns int