diff --git a/mysql-test/r/mysqldump.result b/mysql-test/r/mysqldump.result
index 48e77421bf4..28dfc697f06 100644
--- a/mysql-test/r/mysqldump.result
+++ b/mysql-test/r/mysqldump.result
@@ -4317,12 +4317,12 @@ second	ee1	root@localhost	UTC	ONE TIME	2035-12-31 20:01:23	NULL	NULL	NULL	NULL	E
 show create event ee1;
 Event	sql_mode	time_zone	Create Event	character_set_client	collation_connection	Database Collation
 ee1		UTC	CREATE DEFINER=`root`@`localhost` EVENT `ee1` ON SCHEDULE AT '2035-12-31 20:01:23' ON COMPLETION NOT PRESERVE ENABLE DO set @a=5	latin1	latin1_swedish_ci	latin1_swedish_ci
-create event ee2 on schedule at '2018-12-31 21:01:23' do set @a=5;
+create event ee2 on schedule at '2030-12-31 21:01:22' do set @a=5;
 create event ee3 on schedule at '2030-12-31 22:01:23' do set @a=5;
 show events;
 Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
 second	ee1	root@localhost	UTC	ONE TIME	2035-12-31 20:01:23	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
-second	ee2	root@localhost	UTC	ONE TIME	2018-12-31 21:01:23	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
+second	ee2	root@localhost	UTC	ONE TIME	2030-12-31 21:01:22	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
 second	ee3	root@localhost	UTC	ONE TIME	2030-12-31 22:01:23	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
 drop database second;
 create database third;
@@ -4330,7 +4330,7 @@ use third;
 show events;
 Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
 third	ee1	root@localhost	UTC	ONE TIME	2035-12-31 20:01:23	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
-third	ee2	root@localhost	UTC	ONE TIME	2018-12-31 21:01:23	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
+third	ee2	root@localhost	UTC	ONE TIME	2030-12-31 21:01:22	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
 third	ee3	root@localhost	UTC	ONE TIME	2030-12-31 22:01:23	NULL	NULL	NULL	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
 drop database third;
 set time_zone = 'SYSTEM';
diff --git a/mysql-test/t/mysqldump.test b/mysql-test/t/mysqldump.test
index aacb812c84f..e8a0cc3f81f 100644
--- a/mysql-test/t/mysqldump.test
+++ b/mysql-test/t/mysqldump.test
@@ -1807,7 +1807,7 @@ show create event ee1;
 
 ## prove three works (with spaces and tabs on the end)
 # start with one from the previous restore
-create event ee2 on schedule at '2018-12-31 21:01:23' do set @a=5;	      
+create event ee2 on schedule at '2030-12-31 21:01:22' do set @a=5;	      
 create event ee3 on schedule at '2030-12-31 22:01:23' do set @a=5;    		
 show events;
 --exec $MYSQL_DUMP --events second > $MYSQLTEST_VARDIR/tmp/bug16853-2.sql
diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc
index 6b40edef390..c710a2403e3 100644
--- a/storage/innobase/handler/handler0alter.cc
+++ b/storage/innobase/handler/handler0alter.cc
@@ -4668,7 +4668,7 @@ err_exit:
 
 			info = pars_info_create();
 
-			int pos = i;
+			ulint pos = i;
 			if (has_prefixes) {
 				pos = (pos << 16) + field->prefix_len;
 			}
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_bin.py b/storage/tokudb/mysql-test/tokudb/t/change_column_bin.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_bin_rename.py b/storage/tokudb/mysql-test/tokudb/t/change_column_bin_rename.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_char.py b/storage/tokudb/mysql-test/tokudb/t/change_column_char.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_char_binary.py b/storage/tokudb/mysql-test/tokudb/t/change_column_char_binary.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_char_charbinary.py b/storage/tokudb/mysql-test/tokudb/t/change_column_char_charbinary.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_char_rename.py b/storage/tokudb/mysql-test/tokudb/t/change_column_char_rename.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_int.py b/storage/tokudb/mysql-test/tokudb/t/change_column_int.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_int_key.py b/storage/tokudb/mysql-test/tokudb/t/change_column_int_key.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_int_not_supported.py b/storage/tokudb/mysql-test/tokudb/t/change_column_int_not_supported.py
old mode 100755
new mode 100644
diff --git a/storage/tokudb/mysql-test/tokudb/t/change_column_int_rename.py b/storage/tokudb/mysql-test/tokudb/t/change_column_int_rename.py
old mode 100755
new mode 100644
diff --git a/storage/xtradb/handler/handler0alter.cc b/storage/xtradb/handler/handler0alter.cc
index 0f34dc5ab11..dd2ffaad3fc 100644
--- a/storage/xtradb/handler/handler0alter.cc
+++ b/storage/xtradb/handler/handler0alter.cc
@@ -4684,7 +4684,7 @@ err_exit:
 
 			info = pars_info_create();
 
-			int pos = i;
+			ulint pos = i;
 			if (has_prefixes) {
 				pos = (pos << 16) + field->prefix_len;
 			}