After merge fix.

mysql-test/r/index_merge_myisam.result

@@ -426,6 +426,37 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	index_merge	a,b	a,b	5,5	NULL	#	Using intersect(a,b); Using where
 drop table t3;
 drop table t0, t1, t2;
+CREATE TABLE t1(a INT);
+INSERT INTO t1 VALUES(1);
+CREATE TABLE t2(a INT, b INT, dummy CHAR(16) DEFAULT '', KEY(a), KEY(b));
+INSERT INTO t2(a,b) VALUES
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),(0,0),
+(1,2);
+LOCK TABLES t1 WRITE, t2 WRITE;
+INSERT INTO t2(a,b) VALUES(1,2);
+SELECT t2.a FROM t1,t2 WHERE t2.b=2 AND t2.a=1;
+a
+1
+1
+UNLOCK TABLES;
+DROP TABLE t1, t2;
 #---------------- ROR-index_merge tests -----------------------
 SET SESSION STORAGE_ENGINE = MyISAM;
 drop table if exists  t0,t1,t2;

sql/handler.cc

@@ -1418,8 +1418,10 @@ int ha_delete_table(THD *thd, handlerton *table_type, const char *path,
 ****************************************************************************/
 handler *handler::clone(MEM_ROOT *mem_root)
 {
-  handler *new_handler= get_new_handler(table, mem_root, table->s->db_type);
-  if (new_handler && !new_handler->ha_open(table->s->path, table->db_stat,
+  handler *new_handler= get_new_handler(table->s, mem_root, table->s->db_type);
+  if (new_handler && !new_handler->ha_open(table,
+                                           table->s->normalized_path.str,
+                                           table->db_stat,
                                            HA_OPEN_IGNORE_IF_LOCKED))
     return new_handler;
   return NULL;