Created by Kristian Nielsen on 2012-06-21 and last modified on 2012-06-21
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3454. By Kristian Nielsen on 2012-06-21

MDEV-359: Fix another case where switch-off semisync could cause a race that ended with server crash.

3453. By Sergei Golubchik on 2012-06-21

Use the portable form of INSTALL PLUGIN in rpl_mdev359.test

3452. By Sergei Golubchik on 2012-06-21

fixing the order of includes in the rpl_mdev359.test

3451. By Kristian Nielsen on 2012-06-21

MDEV-359: Server crash when SET GLOBAL rpl_semi_sync_master_enabled = OFF

The semisync code does a fast-but-unsafe check for enabled or not without lock,
followed by a slow-but-safe check under lock. However, if the slow check failed,
the code still referenced not valid data (in an assert() expression), causing a

Fixed by not running the incorrect assert when semisync is disabled.

3450. By Sergei Golubchik on 2012-06-21

MDEV-349 5.5 xtradb innodb_prefix_index_liftedlimit crash with valgrind

This is XtraDB bug lp:1015109, introduced by innodb_split_buf_pool_mutex.patch

Comment the offending assertion, until the fixed XtraDB is available

3449. By Vladislav Vaintroub on 2012-06-20

MDEV-361 - Fix handle leak in os_thread_create (Windows)

3448. By Kristian Nielsen on 2012-06-20

Fix memory leak introduced with merge of mysql 5.5.

MySQL introduced a class Deferred_log_events. This class keeps a pointer
last_added. The code was keeping this pointer around even after the memory
pointed to was freed, and later comparing the bogus pointer against other
allocated memory. This is illegal, and can randomly produce false equal
comparisons depending on whatever the malloc() subsystem decides to return.

3447. By Michael Widenius on 2012-06-20

Automatic merge

3446. By Sergey Petrunia on 2012-06-20

Merge 5.3 -> 5.5

3445. By Timour Katchaounov on 2012-06-19

Merged the fix for bug lp:944706, mdev-193

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