diff --git a/client/mysqldump.c b/client/mysqldump.c
index 6b2c2a06834..d755a17b815 100644
--- a/client/mysqldump.c
+++ b/client/mysqldump.c
@@ -4110,7 +4110,7 @@ static my_bool dump_all_views_in_db(char *database)
     for (numrows= 0 ; (table= getTableName(1)); )
     {
       char *end= strmov(afterdot, table);
-      if (include_table((uchar*) hash_key,end - hash_key))
+      if (include_table(hash_key,end - hash_key))
       {
         numrows++;
         dynstr_append_checked(&query, quote_name(table, table_buff, 1));
@@ -4131,7 +4131,7 @@ static my_bool dump_all_views_in_db(char *database)
   while ((table= getTableName(0)))
   {
     char *end= strmov(afterdot, table);
-    if (include_table((uchar*) hash_key, end - hash_key))
+    if (include_table(hash_key, end - hash_key))
       get_view_structure(table, database);
   }
   if (opt_xml)
diff --git a/cmd-line-utils/readline/bind.c b/cmd-line-utils/readline/bind.c
index baed1dfad49..fc7bebfd813 100644
--- a/cmd-line-utils/readline/bind.c
+++ b/cmd-line-utils/readline/bind.c
@@ -701,7 +701,7 @@ rl_function_of_keyseq (keyseq, map, type)
     {
       unsigned char ic = keyseq[i];
 
-      if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
+      if (META_BYTE (ic) && _rl_convert_meta_chars_to_ascii)
 	{
 	  if (map[ESC].type == ISKMAP)
 	    {
diff --git a/cmd-line-utils/readline/chardefs.h b/cmd-line-utils/readline/chardefs.h
index def3a111bd3..36fe7fdd7ac 100644
--- a/cmd-line-utils/readline/chardefs.h
+++ b/cmd-line-utils/readline/chardefs.h
@@ -59,7 +59,8 @@
 #define largest_char 255		    /* Largest character value. */
 
 #define CTRL_CHAR(c) ((c) < control_character_threshold && (((c) & 0x80) == 0))
-#define META_CHAR(c) ((c) > meta_character_threshold && (c) <= largest_char)
+#define META_BYTE(c) ((c) > meta_character_threshold)
+#define META_CHAR(c) (META_BYTE(c) && (c) <= largest_char)
 
 #define CTRL(c) ((c) & control_character_mask)
 #define META(c) ((c) | meta_character_bit)
diff --git a/cmd-line-utils/readline/display.c b/cmd-line-utils/readline/display.c
index 6f63faa9738..842a586b76b 100644
--- a/cmd-line-utils/readline/display.c
+++ b/cmd-line-utils/readline/display.c
@@ -1888,7 +1888,7 @@ rl_character_len (c, pos)
 
   uc = (unsigned char)c;
 
-  if (META_CHAR (uc))
+  if (META_BYTE (uc))
     return ((_rl_output_meta_chars == 0) ? 4 : 1);
 
   if (uc == '\t')
diff --git a/dbug/user.r b/dbug/user.r
index 19de840d0ad..ef67ef7a7cf 100644
--- a/dbug/user.r
+++ b/dbug/user.r
@@ -32,6 +32,7 @@
 .\"           === Set line length
 .\".ll 6.5i
 .TL
+.warn 0
 D B U G
 .P 0
 C Program Debugging Package
diff --git a/include/my_sys.h b/include/my_sys.h
index 01804cd089f..263b567684d 100644
--- a/include/my_sys.h
+++ b/include/my_sys.h
@@ -511,7 +511,7 @@ typedef int (*qsort2_cmp)(const void *, const void *, const void *);
  ((info)->write_pos + (Count) <=(info)->write_end ?\
   (memcpy((info)->write_pos, (Buffer), (size_t)(Count)),\
    ((info)->write_pos+=(Count)),0) : \
-   (*(info)->write_function)((info),(Buffer),(Count)))
+   (*(info)->write_function)((info),(uchar *)(Buffer),(Count)))
 
 #define my_b_get(info) \
   ((info)->read_pos != (info)->read_end ?\
diff --git a/mysql-test/Makefile.am b/mysql-test/Makefile.am
index 5e3582d5e16..7a56584190d 100644
--- a/mysql-test/Makefile.am
+++ b/mysql-test/Makefile.am
@@ -25,6 +25,7 @@ test_SCRIPTS =	mtr \
 		mysql-stress-test.pl
 
 nobase_test_DATA = \
+	valgrind.supp \
 	lib/v1/mysql-test-run.pl \
 	lib/v1/mtr_cases.pl \
 	lib/v1/mtr_io.pl \
@@ -41,7 +42,6 @@ nobase_test_DATA = \
 	lib/v1/mtr_im.pl \
 	lib/v1/mtr_process.pl \
 	lib/v1/mtr_unique.pl \
-\
 	lib/mtr_cases.pm \
 	lib/mtr_gcov.pl \
 	lib/mtr_gprof.pl \
@@ -69,9 +69,8 @@ nobase_test_DATA = \
 SUBDIRS =	lib/My/SafeProcess
 
 EXTRA_DIST =	README \
-		valgrind.supp \
 		$(test_SCRIPTS) \
-		$(nobase_test_DATA) 
+		$(nobase_test_DATA)
 
 # List of directories containing test + result files and the
 # related test data files that should be copied
@@ -93,7 +92,7 @@ TEST_DIRS = t r include std_data std_data/parts collections \
 	suite/jp suite/jp/t suite/jp/r suite/jp/std_data suite/jp/include \
 	suite/manual/t suite/manual/r \
 	suite/ndb_team suite/ndb_team/t suite/ndb_team/r \
-	suite/rpl suite/rpl/data suite/rpl/include suite/rpl/r \
+	suite/rpl suite/rpl/include suite/rpl/r \
 	suite/rpl/t \
 	suite/stress/include suite/stress/t suite/stress/r \
 	suite/ndb suite/ndb/t suite/ndb/r \
diff --git a/mysql-test/include/mix1.inc b/mysql-test/include/mix1.inc
index 303f896cdfe..3f7b44bd9ef 100644
--- a/mysql-test/include/mix1.inc
+++ b/mysql-test/include/mix1.inc
@@ -1171,6 +1171,16 @@ CREATE TABLE t1 (f1 INTEGER PRIMARY KEY COMMENT 'My ID#', f2 INTEGER DEFAULT NUL
 SHOW CREATE TABLE t1;
 DROP TABLE t1;
 
+--echo #
+--echo # Bug #36995: valgrind error in remove_const during subquery executions
+--echo #
+
+create table t1 (a bit(1) not null,b int) engine=myisam;
+create table t2 (c int) engine=innodb;
+explain
+select b from t1 where a not in (select b from t1,t2 group by a) group by a;
+DROP TABLE t1,t2;
+
 --echo End of 5.0 tests
 
 # Fix for BUG#19243 "wrong LAST_INSERT_ID() after ON DUPLICATE KEY
diff --git a/mysql-test/r/ctype_ldml.result b/mysql-test/r/ctype_ldml.result
index 5dc9ea35cc3..711921eb526 100644
--- a/mysql-test/r/ctype_ldml.result
+++ b/mysql-test/r/ctype_ldml.result
@@ -40,6 +40,14 @@ abcd	abcd
 efgh	efgh
 ijkl	ijkl
 DROP TABLE t1;
+#
+# Bug#43827 Server closes connections and restarts
+#
+CREATE TABLE t1 (c1 VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_test_ci);
+INSERT INTO t1 SELECT REPEAT('a',11);
+Warnings:
+Warning	1265	Data truncated for column 'c1' at row 1
+DROP TABLE t1;
 show collation like 'ucs2_vn_ci';
 Collation	Charset	Id	Default	Compiled	Sortlen
 ucs2_vn_ci	ucs2	242			8
diff --git a/mysql-test/r/innodb_mysql.result b/mysql-test/r/innodb_mysql.result
index 83a2a2111d5..7e4359e1f92 100644
--- a/mysql-test/r/innodb_mysql.result
+++ b/mysql-test/r/innodb_mysql.result
@@ -1420,6 +1420,18 @@ t1	CREATE TABLE `t1` (
   CONSTRAINT `f2_ref` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`)
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
 DROP TABLE t1;
+#
+# Bug #36995: valgrind error in remove_const during subquery executions
+#
+create table t1 (a bit(1) not null,b int) engine=myisam;
+create table t2 (c int) engine=innodb;
+explain
+select b from t1 where a not in (select b from t1,t2 group by a) group by a;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
+2	DEPENDENT SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+2	DEPENDENT SUBQUERY	t2	ALL	NULL	NULL	NULL	NULL	1	
+DROP TABLE t1,t2;
 End of 5.0 tests
 CREATE TABLE `t2` (
 `k` int(11) NOT NULL auto_increment,
diff --git a/mysql-test/r/sp-fib.result b/mysql-test/r/sp-fib.result
new file mode 100644
index 00000000000..50183221f03
--- /dev/null
+++ b/mysql-test/r/sp-fib.result
@@ -0,0 +1,46 @@
+drop table if exists t3;
+create table t3 ( f bigint unsigned not null );
+drop procedure if exists fib;
+create procedure fib(n int unsigned)
+begin
+if n > 1 then
+begin
+declare x, y bigint unsigned;
+declare c cursor for select f from t3 order by f desc limit 2;
+open c;
+fetch c into y;
+fetch c into x;
+close c;
+insert into t3 values (x+y);
+call fib(n-1);
+end;
+end if;
+end|
+set @@max_sp_recursion_depth= 20|
+insert into t3 values (0), (1)|
+call fib(3)|
+select * from t3 order by f asc|
+f
+0
+1
+1
+2
+truncate table t3|
+insert into t3 values (0), (1)|
+call fib(10)|
+select * from t3 order by f asc|
+f
+0
+1
+1
+2
+3
+5
+8
+13
+21
+34
+55
+drop table t3|
+drop procedure fib|
+set @@max_sp_recursion_depth= 0|
diff --git a/mysql-test/r/sp.result b/mysql-test/r/sp.result
index 9574841bc35..3ad556b8c30 100644
--- a/mysql-test/r/sp.result
+++ b/mysql-test/r/sp.result
@@ -1337,52 +1337,6 @@ drop procedure opp|
 drop procedure ip|
 show procedure status where name like '%p%' and db='test'|
 Db	Name	Type	Definer	Modified	Created	Security_type	Comment	character_set_client	collation_connection	Database Collation
-drop table if exists t3|
-create table t3 ( f bigint unsigned not null )|
-drop procedure if exists fib|
-create procedure fib(n int unsigned)
-begin
-if n > 1 then
-begin
-declare x, y bigint unsigned;
-declare c cursor for select f from t3 order by f desc limit 2;
-open c;
-fetch c into y;
-fetch c into x;
-close c;
-insert into t3 values (x+y);
-call fib(n-1);
-end;
-end if;
-end|
-set @@max_sp_recursion_depth= 20|
-insert into t3 values (0), (1)|
-call fib(3)|
-select * from t3 order by f asc|
-f
-0
-1
-1
-2
-truncate table t3|
-insert into t3 values (0), (1)|
-call fib(10)|
-select * from t3 order by f asc|
-f
-0
-1
-1
-2
-3
-5
-8
-13
-21
-34
-55
-drop table t3|
-drop procedure fib|
-set @@max_sp_recursion_depth= 0|
 drop procedure if exists bar|
 create procedure bar(x char(16), y int)
 comment "111111111111" sql security invoker
diff --git a/mysql-test/t/ctype_ldml.test b/mysql-test/t/ctype_ldml.test
index 73a23a751e8..db9461bfbf7 100644
--- a/mysql-test/t/ctype_ldml.test
+++ b/mysql-test/t/ctype_ldml.test
@@ -37,6 +37,15 @@ UPDATE t1 SET col2=col1;
 SELECT * FROM t1 WHERE col1=col2 ORDER BY col1;
 DROP TABLE t1;
 
+--echo #
+--echo # Bug#43827 Server closes connections and restarts
+--echo #
+# Crash happened with a user-defined utf8 collation,
+# on attempt to insert a string longer than the column can store.
+CREATE TABLE t1 (c1 VARCHAR(10) CHARACTER SET utf8 COLLATE utf8_test_ci);
+INSERT INTO t1 SELECT REPEAT('a',11);
+DROP TABLE t1;
+
 #
 #  Vietnamese experimental collation
 #
diff --git a/mysql-test/t/sp-fib.test b/mysql-test/t/sp-fib.test
new file mode 100644
index 00000000000..90ca2bbd135
--- /dev/null
+++ b/mysql-test/t/sp-fib.test
@@ -0,0 +1,60 @@
+# Fibonacci, for recursion test. (Yet Another Numerical series :)
+# Split from main.sp due to problems reported in Bug#15866
+
+--disable_warnings
+drop table if exists t3;
+--enable_warnings
+create table t3 ( f bigint unsigned not null );
+
+# We deliberately do it the awkward way, fetching the last two
+# values from the table, in order to exercise various statements
+# and table accesses at each turn.
+--disable_warnings
+drop procedure if exists fib;
+--enable_warnings
+
+# Now for multiple statements...
+delimiter |;
+
+create procedure fib(n int unsigned)
+begin
+  if n > 1 then
+    begin
+      declare x, y bigint unsigned;
+      declare c cursor for select f from t3 order by f desc limit 2;
+
+      open c;
+      fetch c into y;
+      fetch c into x;
+      close c;
+      insert into t3 values (x+y);
+      call fib(n-1);
+    end;
+  end if;
+end|
+
+# Enable recursion
+set @@max_sp_recursion_depth= 20|
+
+# Minimum test: recursion of 3 levels
+
+insert into t3 values (0), (1)|
+
+call fib(3)|
+
+select * from t3 order by f asc|
+
+truncate table t3|
+
+# The original test, 20 levels, ran into memory limits on some machines
+# and builds. Try 10 instead...
+
+insert into t3 values (0), (1)|
+
+call fib(10)|
+
+select * from t3 order by f asc|
+drop table t3|
+drop procedure fib|
+set @@max_sp_recursion_depth= 0|
+
diff --git a/mysql-test/t/sp.test b/mysql-test/t/sp.test
index fdf6ed8f382..5eeac457958 100644
--- a/mysql-test/t/sp.test
+++ b/mysql-test/t/sp.test
@@ -1561,61 +1561,6 @@ drop procedure ip|
 show procedure status where name like '%p%' and db='test'|
 
 
-# Fibonacci, for recursion test. (Yet Another Numerical series :)
-#
---disable_warnings
-drop table if exists t3|
---enable_warnings
-create table t3 ( f bigint unsigned not null )|
-
-# We deliberately do it the awkward way, fetching the last two
-# values from the table, in order to exercise various statements
-# and table accesses at each turn.
---disable_warnings
-drop procedure if exists fib|
---enable_warnings
-create procedure fib(n int unsigned)
-begin
-  if n > 1 then
-    begin
-      declare x, y bigint unsigned;
-      declare c cursor for select f from t3 order by f desc limit 2;
-
-      open c;
-      fetch c into y;
-      fetch c into x;
-      close c;
-      insert into t3 values (x+y);
-      call fib(n-1);
-    end;
-  end if;
-end|
-
-# Enable recursion
-set @@max_sp_recursion_depth= 20|
-
-# Minimum test: recursion of 3 levels
-
-insert into t3 values (0), (1)|
-
-call fib(3)|
-
-select * from t3 order by f asc|
-
-truncate table t3|
-
-# The original test, 20 levels, ran into memory limits on some machines
-# and builds. Try 10 instead...
-
-insert into t3 values (0), (1)|
-
-call fib(10)|
-
-select * from t3 order by f asc|
-drop table t3|
-drop procedure fib|
-set @@max_sp_recursion_depth= 0|
-
 #
 # Comment & suid
 #
diff --git a/sql/item.cc b/sql/item.cc
index 768af47d660..06eea020c23 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -417,6 +417,7 @@ Item::Item(THD *thd, Item *item):
   name(item->name),
   orig_name(item->orig_name),
   max_length(item->max_length),
+  name_length(item->name_length),
   marker(item->marker),
   decimals(item->decimals),
   maybe_null(item->maybe_null),
@@ -424,7 +425,9 @@ Item::Item(THD *thd, Item *item):
   unsigned_flag(item->unsigned_flag),
   with_sum_func(item->with_sum_func),
   fixed(item->fixed),
+  is_autogenerated_name(item->is_autogenerated_name),
   collation(item->collation),
+  with_subselect(item->with_subselect),
   cmp_context(item->cmp_context)
 {
   next= thd->free_list;				// Put in free list
diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h
index 58f44e41a8e..de02abc48e3 100644
--- a/sql/mysql_priv.h
+++ b/sql/mysql_priv.h
@@ -1413,14 +1413,14 @@ enum enum_schema_tables get_schema_table_idx(ST_SCHEMA_TABLE *schema_table);
 
 /* sql_prepare.cc */
 
-void mysql_stmt_prepare(THD *thd, const char *packet, uint packet_length);
-void mysql_stmt_execute(THD *thd, char *packet, uint packet_length);
-void mysql_stmt_close(THD *thd, char *packet);
+void mysqld_stmt_prepare(THD *thd, const char *packet, uint packet_length);
+void mysqld_stmt_execute(THD *thd, char *packet, uint packet_length);
+void mysqld_stmt_close(THD *thd, char *packet);
 void mysql_sql_stmt_prepare(THD *thd);
 void mysql_sql_stmt_execute(THD *thd);
 void mysql_sql_stmt_close(THD *thd);
-void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length);
-void mysql_stmt_reset(THD *thd, char *packet);
+void mysqld_stmt_fetch(THD *thd, char *packet, uint packet_length);
+void mysqld_stmt_reset(THD *thd, char *packet);
 void mysql_stmt_get_longdata(THD *thd, char *pos, ulong packet_length);
 void reinit_stmt_before_use(THD *thd, LEX *lex);
 
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 438ce2bad28..83f44bba008 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -1165,12 +1165,12 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
   }
   case COM_STMT_EXECUTE:
   {
-    mysql_stmt_execute(thd, packet, packet_length);
+    mysqld_stmt_execute(thd, packet, packet_length);
     break;
   }
   case COM_STMT_FETCH:
   {
-    mysql_stmt_fetch(thd, packet, packet_length);
+    mysqld_stmt_fetch(thd, packet, packet_length);
     break;
   }
   case COM_STMT_SEND_LONG_DATA:
@@ -1180,17 +1180,17 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
   }
   case COM_STMT_PREPARE:
   {
-    mysql_stmt_prepare(thd, packet, packet_length);
+    mysqld_stmt_prepare(thd, packet, packet_length);
     break;
   }
   case COM_STMT_CLOSE:
   {
-    mysql_stmt_close(thd, packet);
+    mysqld_stmt_close(thd, packet);
     break;
   }
   case COM_STMT_RESET:
   {
-    mysql_stmt_reset(thd, packet);
+    mysqld_stmt_reset(thd, packet);
     break;
   }
   case COM_QUERY:
@@ -5739,7 +5739,7 @@ mysql_new_select(LEX *lex, bool move_down)
   /*
     Don't evaluate this subquery during statement prepare even if
     it's a constant one. The flag is switched off in the end of
-    mysql_stmt_prepare.
+    mysqld_stmt_prepare.
   */
   if (thd->stmt_arena->is_stmt_prepare())
     select_lex->uncacheable|= UNCACHEABLE_PREPARE;
diff --git a/sql/sql_prepare.cc b/sql/sql_prepare.cc
index cc7ea75dbbf..5c849d1278a 100644
--- a/sql/sql_prepare.cc
+++ b/sql/sql_prepare.cc
@@ -716,9 +716,9 @@ static void setup_one_conversion_function(THD *thd, Item_param *param,
     prepared statement, parameter markers are replaced with variable names.
     Example:
     @verbatim
-     mysql_stmt_prepare("UPDATE t1 SET a=a*1.25 WHERE a=?")
+     mysqld_stmt_prepare("UPDATE t1 SET a=a*1.25 WHERE a=?")
        --> general logs gets [Prepare] UPDATE t1 SET a*1.25 WHERE a=?"
-     mysql_stmt_execute(stmt);
+     mysqld_stmt_execute(stmt);
        --> general and binary logs get
                              [Execute] UPDATE t1 SET a*1.25 WHERE a=1"
     @endverbatim
@@ -2056,11 +2056,11 @@ static bool init_param_array(Prepared_statement *stmt)
     to the client, otherwise an error message is set in THD.
 */
 
-void mysql_stmt_prepare(THD *thd, const char *packet, uint packet_length)
+void mysqld_stmt_prepare(THD *thd, const char *packet, uint packet_length)
 {
   Prepared_statement *stmt;
   bool error;
-  DBUG_ENTER("mysql_stmt_prepare");
+  DBUG_ENTER("mysqld_stmt_prepare");
 
   DBUG_PRINT("prep_query", ("%s", packet));
 
@@ -2423,7 +2423,7 @@ static void reset_stmt_params(Prepared_statement *stmt)
     client, otherwise an error message is set in THD.
 */
 
-void mysql_stmt_execute(THD *thd, char *packet_arg, uint packet_length)
+void mysqld_stmt_execute(THD *thd, char *packet_arg, uint packet_length)
 {
   uchar *packet= (uchar*)packet_arg; // GCC 4.0.1 workaround
   ulong stmt_id= uint4korr(packet);
@@ -2433,7 +2433,7 @@ void mysql_stmt_execute(THD *thd, char *packet_arg, uint packet_length)
   uchar *packet_end= packet + packet_length;
   Prepared_statement *stmt;
   bool open_cursor;
-  DBUG_ENTER("mysql_stmt_execute");
+  DBUG_ENTER("mysqld_stmt_execute");
 
   packet+= 9;                               /* stmt_id + 5 bytes of flags */
 
@@ -2444,7 +2444,7 @@ void mysql_stmt_execute(THD *thd, char *packet_arg, uint packet_length)
   {
     char llbuf[22];
     my_error(ER_UNKNOWN_STMT_HANDLER, MYF(0), sizeof(llbuf),
-             llstr(stmt_id, llbuf), "mysql_stmt_execute");
+             llstr(stmt_id, llbuf), "mysqld_stmt_execute");
     DBUG_VOID_RETURN;
   }
 
@@ -2525,7 +2525,7 @@ void mysql_sql_stmt_execute(THD *thd)
   @param packet_length      Length of packet
 */
 
-void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length)
+void mysqld_stmt_fetch(THD *thd, char *packet, uint packet_length)
 {
   /* assume there is always place for 8-16 bytes */
   ulong stmt_id= uint4korr(packet);
@@ -2533,7 +2533,7 @@ void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length)
   Prepared_statement *stmt;
   Statement stmt_backup;
   Server_side_cursor *cursor;
-  DBUG_ENTER("mysql_stmt_fetch");
+  DBUG_ENTER("mysqld_stmt_fetch");
 
   /* First of all clear possible warnings from the previous command */
   mysql_reset_thd_for_next_command(thd);
@@ -2542,7 +2542,7 @@ void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length)
   {
     char llbuf[22];
     my_error(ER_UNKNOWN_STMT_HANDLER, MYF(0), sizeof(llbuf),
-             llstr(stmt_id, llbuf), "mysql_stmt_fetch");
+             llstr(stmt_id, llbuf), "mysqld_stmt_fetch");
     DBUG_VOID_RETURN;
   }
 
@@ -2583,9 +2583,9 @@ void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length)
 
     This function resets statement to the state it was right after prepare.
     It can be used to:
-    - clear an error happened during mysql_stmt_send_long_data
+    - clear an error happened during mysqld_stmt_send_long_data
     - cancel long data stream for all placeholders without
-      having to call mysql_stmt_execute.
+      having to call mysqld_stmt_execute.
     - close an open cursor
     Sends 'OK' packet in case of success (statement was reset)
     or 'ERROR' packet (unrecoverable error/statement not found/etc).
@@ -2594,12 +2594,12 @@ void mysql_stmt_fetch(THD *thd, char *packet, uint packet_length)
   @param packet             Packet with stmt id
 */
 
-void mysql_stmt_reset(THD *thd, char *packet)
+void mysqld_stmt_reset(THD *thd, char *packet)
 {
   /* There is always space for 4 bytes in buffer */
   ulong stmt_id= uint4korr(packet);
   Prepared_statement *stmt;
-  DBUG_ENTER("mysql_stmt_reset");
+  DBUG_ENTER("mysqld_stmt_reset");
 
   /* First of all clear possible warnings from the previous command */
   mysql_reset_thd_for_next_command(thd);
@@ -2609,7 +2609,7 @@ void mysql_stmt_reset(THD *thd, char *packet)
   {
     char llbuf[22];
     my_error(ER_UNKNOWN_STMT_HANDLER, MYF(0), sizeof(llbuf),
-             llstr(stmt_id, llbuf), "mysql_stmt_reset");
+             llstr(stmt_id, llbuf), "mysqld_stmt_reset");
     DBUG_VOID_RETURN;
   }
 
@@ -2617,7 +2617,7 @@ void mysql_stmt_reset(THD *thd, char *packet)
 
   /*
     Clear parameters from data which could be set by
-    mysql_stmt_send_long_data() call.
+    mysqld_stmt_send_long_data() call.
   */
   reset_stmt_params(stmt);
 
@@ -2638,12 +2638,12 @@ void mysql_stmt_reset(THD *thd, char *packet)
     we don't send any reply to this command.
 */
 
-void mysql_stmt_close(THD *thd, char *packet)
+void mysqld_stmt_close(THD *thd, char *packet)
 {
   /* There is always space for 4 bytes in packet buffer */
   ulong stmt_id= uint4korr(packet);
   Prepared_statement *stmt;
-  DBUG_ENTER("mysql_stmt_close");
+  DBUG_ENTER("mysqld_stmt_close");
 
   thd->main_da.disable_status();
 
@@ -2742,7 +2742,7 @@ void mysql_stmt_get_longdata(THD *thd, char *packet, ulong packet_length)
     stmt->state= Query_arena::ERROR;
     stmt->last_errno= ER_WRONG_ARGUMENTS;
     sprintf(stmt->last_error, ER(ER_WRONG_ARGUMENTS),
-            "mysql_stmt_send_long_data");
+            "mysqld_stmt_send_long_data");
     DBUG_VOID_RETURN;
   }
 #endif
@@ -3166,7 +3166,7 @@ Prepared_statement::set_parameters(String *expanded_query,
   if (res)
   {
     my_error(ER_WRONG_ARGUMENTS, MYF(0),
-             is_sql_ps ? "EXECUTE" : "mysql_stmt_execute");
+             is_sql_ps ? "EXECUTE" : "mysqld_stmt_execute");
     reset_stmt_params(this);
   }
   return res;
@@ -3621,11 +3621,11 @@ error:
 }
 
 
-/** Common part of DEALLOCATE PREPARE and mysql_stmt_close. */
+/** Common part of DEALLOCATE PREPARE and mysqld_stmt_close. */
 
 void Prepared_statement::deallocate()
 {
-  /* We account deallocate in the same manner as mysql_stmt_close */
+  /* We account deallocate in the same manner as mysqld_stmt_close */
   status_var_increment(thd->status_var.com_stmt_close);
   /* Statement map calls delete stmt on erase */
   thd->stmt_map.erase(this);
diff --git a/storage/myisammrg/myrg_create.c b/storage/myisammrg/myrg_create.c
index df81b730bfd..eaed470daec 100644
--- a/storage/myisammrg/myrg_create.c
+++ b/storage/myisammrg/myrg_create.c
@@ -46,7 +46,7 @@ int myrg_create(const char *name, const char **table_names,
 	fn_same(buff,name,4);
       *(end=strend(buff))='\n';
       end[1]=0;
-      if (my_write(file,(char*) buff,(uint) (end-buff+1),
+      if (my_write(file,(uchar*) buff,(uint) (end-buff+1),
 		   MYF(MY_WME | MY_NABP)))
 	goto err;
     }
diff --git a/strings/ctype-uca.c b/strings/ctype-uca.c
index 1ed758bc105..2ea48ddab2f 100644
--- a/strings/ctype-uca.c
+++ b/strings/ctype-uca.c
@@ -7992,6 +7992,7 @@ static my_bool create_tailoring(CHARSET_INFO *cs, void *(*alloc)(size_t))
 static my_bool my_coll_init_uca(CHARSET_INFO *cs, void *(*alloc)(size_t))
 {
   cs->pad_char= ' ';
+  cs->ctype= my_charset_utf8_unicode_ci.ctype;
   return create_tailoring(cs, alloc);
 }
 
diff --git a/strings/ctype.c b/strings/ctype.c
index 446eb168804..4a54d898337 100644
--- a/strings/ctype.c
+++ b/strings/ctype.c
@@ -328,7 +328,10 @@ my_string_repertoire(CHARSET_INFO *cs, const char *str, ulong length)
   {
     my_wc_t wc;
     int chlen;
-    for (; (chlen= cs->cset->mb_wc(cs, &wc, str, strend)) > 0; str+= chlen)
+    for (; (chlen= cs->cset->mb_wc(cs, &wc, 
+                                   (const unsigned char *) str, 
+                                   (const unsigned char *) strend)) > 0; 
+         str+= chlen)
     {
       if (wc > 0x7F)
         return MY_REPERTOIRE_UNICODE30;