The problem was located to lie inside current NPTL pthread_exit() 
implementation. Race conditions in this code can lead to segmentation
fault. Hovewer, this can happen only in a race between first thread 
calling pthread_exit() and other threads. 

Workaround implemented in this patch spawns a dummy thread, which
exits immediately, during thread lib initialization. This will exclude
segment violations when further threads exit.
 

into  trift2.:/MySQL/M50/push-5.0

into  trift2.:/MySQL/M50/push-5.0

into  mysql.com:/home/kent/bk/mysql-5.0-build

  Handle the case "sql_yacc.cc" is pregenerated or not, and that the
  case where the source and build tree is the same or not.

into  mysql.com:/home/kent/bk/mysql-5.0-build

  If using \$(srcdir)/mysql.info in action, use same in rule.

into  trift2.:/MySQL/M50/push-5.0

into  mysql.com:/home/kent/bk/mysql-5.0-build

into  mysql.com:/home/kent/bk/mysql-5.0-merge

into  mysql.com:/home/kent/bk/mysql-4.1-merge

into  mysql.com:/home/kent/bk/mysql-5.0

  Reenabled build outside source tree

into  mysql.com:/Users/kent/mysql/bk/build/mysql-5.0-build

into  mysql.com:/home/kent/bk/mysql-5.0

  BSD compatibility

into  mysql.com:/home/kent/bk/mysql-5.0

  Fix undefined behaviour.
Many files:
  Reenabled build outside ource tree

into  dl145s.mysql.com:/data0/bk/team_tree_merge/MERGE/mysql-5.0-opt

  Removed "use diagnostics", reduces Perl speed significantly. Can be
  enabled with "perl -Mdiagnostics mysql-test-run.pl".
mtr_report.pl:
  Don't try output "skipped" comment if there is none (bug#24471)

into  kahlann.erinye.com:/home/df/mysql/build/mysql-5.0-build-work

into  mysql.com:/Users/kent/mysql/bk/mysql-5.0-release

  Adjuster project files to reflect move of "mySTL" directory

Load shared libraries from zlib (fixed that mysql-test-run.pl didn't work on some Solaris boxes)
Added connect timeout to test to make im_daemon_life_cycle more predictable

Fixed that --valgrind works again with mysql-test-run.sh
Extended error messages when loosing connection during mysql_real_connect()

disable filling of I_S tables for EXPLAIN

into  mysql.com:/home/my/mysql-5.0

(Mostly in DBUG_PRINT() and unused arguments)
Fixed bug in query cache when used with traceing (--with-debug)
Fixed memory leak in mysqldump
Removed warnings from mysqltest scripts (replaced -- with #)

Look in bin for myql_client_test executable

into  mysql.com:/home/hf/work/mysql-5.0-mrg

into  mysql.com:/home/hf/work/mysql-5.0-mrg

into  trift2.:/MySQL/M50/push-5.0