Bug #17443 mysqldump test failure

client/mysqlimport.c:
  Remove disabled --use-threads option
mysql-test/r/mysqldump.result:
  Update result
mysql-test/t/disabled.def:
  Remove disable of mysqldump
mysql-test/t/mysqldump.test:
  Remove the disable_parsing on tests for --use-threads to mysqlimport

client/mysqlimport.c

@@ -145,13 +145,11 @@ static struct my_option my_long_options[] =
    (gptr*) &opt_mysql_unix_port, (gptr*) &opt_mysql_unix_port, 0, GET_STR,
    REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
 #include <sslopt-longopts.h>
-#if 0
   {"use-threads", OPT_USE_THREADS,
    "Load files in parallel. The argument is the number "
    "of threads to use for loading data.",
    (gptr*) &opt_use_threads, (gptr*) &opt_use_threads, 0, 
    GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
-#endif
 #ifndef DONT_ALLOW_USER_CHANGE
   {"user", 'u', "User for login if not current user.", (gptr*) &current_user,
    (gptr*) &current_user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},

mysql-test/r/mysqldump.result

@@ -2650,3 +2650,33 @@ DELIMITER ;
 
 DROP TRIGGER tr1;
 DROP TABLE t1;
+create table t1 (a text , b text);
+create table t2 (a text , b text);
+insert t1 values ("Duck, Duck", "goose");
+insert t1 values ("Duck, Duck", "pidgeon");
+insert t2 values ("We the people", "in order to perform");
+insert t2 values ("a more perfect", "union");
+select * from t1;
+a	b
+Duck, Duck	goose
+Duck, Duck	pidgeon
+select * from t2;
+a	b
+We the people	in order to perform
+a more perfect	union
+test.t1: Records: 2  Deleted: 0  Skipped: 0  Warnings: 0
+test.t2: Records: 2  Deleted: 0  Skipped: 0  Warnings: 0
+select * from t1;
+a	b
+Duck, Duck	goose
+Duck, Duck	pidgeon
+Duck, Duck	goose
+Duck, Duck	pidgeon
+select * from t2;
+a	b
+We the people	in order to perform
+a more perfect	union
+We the people	in order to perform
+a more perfect	union
+drop table t1;
+drop table t2;

mysql-test/t/disabled.def

@@ -36,4 +36,3 @@ rpl_sp                  : Bug#16456
 rpl_until               : Unstable test case, bug#15886
 sp-goto                 : GOTO is currently is disabled - will be fixed in the future
 rpl_ndb_log             : results are not deterministic
-mysqldump               : Bug#17443 mysqlimport --use-threads=5 gives crashes

mysql-test/t/mysqldump.test

@@ -1049,7 +1049,6 @@ SET SQL_MODE = @old_sql_mode;
 DROP TRIGGER tr1;
 DROP TABLE t1;
 
---disable_parsing
 #
 # Added for use-thread option
 #
@@ -1073,4 +1072,3 @@ select * from t2;
 
 drop table t1;
 drop table t2;
---enable_parsing