Created by Oleksandr "Sanja" Byelkin and last modified
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4227. By Oleksandr "Sanja" Byelkin

MDEV-6441: memory leak

Whole mysql_derived_prepare() was executed on statement memory. Now it is executed on runtime meory and all bugs induced bu this fixed.

4226. By Oleksandr "Sanja" Byelkin

Makes innodb/xtradb compilable in 5.5

4225. By Jan Lindström

MDEV-6348: mariadb crash signal 11

Analysis: sync array output function, should make sure that all
used pointers are valid before using them.

4224. By Jan Lindström

MDEV-5621: Server random crash on ALTER TABLE

This is not a real fix, instead try to gather additional information
at the point when dictionary content is not what we expect it to be.

4223. By Jan Lindström

MDEV-6191: row_search_for_mysql comment and code consistency about isolation level
and gap locks

4222. By Jan Lindström

MDEV-6318: MariaDB with XtraDB uses times more of IO events
  than with InnoDB plugin

  Fix: os0file.h in XtraDB had OS_AIO_N_PENDING_IOS_PER_THREAD 256
  when on InnoDB it is OS_AIO_N_PENDING_IOS_PER_THREAD 32. Changed
  XtraDB also to use 32.

4221. By Jan Lindström

MDEV-6225: Idle replication slave keeps crashing.

  Analysis: Based on crashed the buffer pool instance identifier is
  not correct on block to be freed. Add LRU list mutex holding
  on functions calling free and add additional safety checks.

4220. By Sergei Golubchik

install new aria* manpages

4219. By Kristian Nielsen

MDEV-6188: master_retry_count (ignored if disconnect happens on SET master_heartbeat_period)

That particular part of slave connect to master was missing code to handle
retry in case of network errors. The same problem is present in MySQL 5.5, but
fixed in MySQL 5.6.

Fixed with this patch, by adding the code (mostly identical to MySQL 5.6), and
also adding a test case.

I checked other queries done towards master during slave connect, and they now
all seem to handle reconnect in case of network failures.

4218. By Kristian Nielsen

MDEV-6343: Incorrect error handling in mysqldump

Fix an error case where success was returned instead of error.

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