BUG #3767: tsearch2 index creation fatal crash

The following bug has been logged online:

Bug reference:      3767
Logged by:          Thomas Haegi
Email address:      me@alternize.com
PostgreSQL version: 8.3b3
Operating system:   Windows 2003
Description:        tsearch2 index creation fatal crash
Details:

the previously reported problem gets worse if you execute the query 2-3
times... postgres.exe terminates:

Faulting application postgres.exe, version 8.3.0.7319, faulting module
postgres.exe, version 8.3.0.7319, fault address 0x001ced2f.

from the pgsql logs:

2007-11-21 03:24:40 CET LOG:  server process (PID 2376) exited with exit
code 128
2007-11-21 03:24:40 CET LOG:  terminating any other active server processes
2007-11-21 03:24:40 CET WARNING:  terminating connection because of crash of
another server process
2007-11-21 03:24:40 CET DETAIL:  The postmaster has commanded this server
process to roll back the current transaction and exit, because another
server process exited abnormally and possibly corrupted shared memory.
2007-11-21 03:24:40 CET HINT:  In a moment you should be able to reconnect
to the database and repeat your command.
2007-11-21 03:24:40 CET WARNING:  terminating connection because of crash of
another server process
2007-11-21 03:24:40 CET DETAIL:  The postmaster has commanded this server
process to roll back the current transaction and exit, because another
server process exited abnormally and possibly corrupted shared memory.
2007-11-21 03:24:40 CET HINT:  In a moment you should be able to reconnect
to the database and repeat your command.
2007-11-21 03:24:40 CET WARNING:  terminating connection because of crash of
another server process
2007-11-21 03:24:40 CET DETAIL:  The postmaster has commanded this server
process to roll back the current transaction and exit, because another
server process exited abnormally and possibly corrupted shared memory.
2007-11-21 03:24:40 CET HINT:  In a moment you should be able to reconnect
to the database and repeat your command.
2007-11-21 03:24:40 CET WARNING:  terminating connection because of crash of
another server process
2007-11-21 03:24:40 CET DETAIL:  The postmaster has commanded this server
process to roll back the current transaction and exit, because another
server process exited abnormally and possibly corrupted shared memory.
2007-11-21 03:24:40 CET HINT:  In a moment you should be able to reconnect
to the database and repeat your command.
2007-11-21 03:24:40 CET WARNING:  terminating connection because of crash of
another server process
2007-11-21 03:24:40 CET DETAIL:  The postmaster has commanded this server
process to roll back the current transaction and exit, because another
server process exited abnormally and possibly corrupted shared memory.
2007-11-21 03:24:40 CET HINT:  In a moment you should be able to reconnect
to the database and repeat your command.
2007-11-21 03:24:40 CET WARNING:  terminating connection because of crash of
another server process
2007-11-21 03:24:40 CET DETAIL:  The postmaster has commanded this server
process to roll back the current transaction and exit, because another
server process exited abnormally and possibly corrupted shared memory.
2007-11-21 03:24:40 CET HINT:  In a moment you should be able to reconnect
to the database and repeat your command.
2007-11-21 03:24:40 CET LOG:  all server processes terminated;
reinitializing
2007-11-21 03:24:41 CET FATAL:  pre-existing shared memory block is still in
use
2007-11-21 03:24:41 CET HINT:  Check if there are any old server processes
still running, and terminate them.