BUG #6204: Using plperl functions generate crash

The following bug has been logged online:

Bug reference: 6204
Logged by: pasman
Email address: pasman(dot)p(at)gmail(dot)com
PostgreSQL version: 9.1.0
Operating system: WinXP sp3
Description: Using plperl functions generate crash
Details:

After install postgresql 9.1.0 and Activestate perl 5.14.1 execute:

create function perl_test() returns void as
$$
$$
language plperl

This generates server crash. Log contain:

2011-09-14 11:08:22 CEST STATEMENT: create function perl_test() returns
void as $$ $$ language plperl
2011-09-14 11:08:47 CEST LOG: server process (PID 560) was terminated by
exception 0xC0000005
2011-09-14 11:08:47 CEST HINT: See C include file "ntstatus.h" for a
description of the hexadecimal value.
2011-09-14 11:08:47 CEST LOG: terminating any other active server
processes
2011-09-14 11:08:47 CEST WARNING: terminating connection because of crash
of another server process
2011-09-14 11:08:47 CEST 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.
2011-09-14 11:08:47 CEST HINT: In a moment you should be able to reconnect
to the database and repeat your command.
2011-09-14 11:08:47 CEST WARNING: terminating connection because of crash
of another server process
2011-09-14 11:08:47 CEST 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.
2011-09-14 11:08:47 CEST HINT: In a moment you should be able to reconnect
to the database and repeat your command.
2011-09-14 11:08:47 CEST WARNING: terminating connection because of crash
of another server process
2011-09-14 11:08:47 CEST 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.
2011-09-14 11:08:47 CEST HINT: In a moment you should be able to reconnect
to the database and repeat your command.
2011-09-14 11:08:47 CEST LOG: all server processes terminated;
reinitializing
2011-09-14 11:08:57 CEST FATAL: pre-existing shared memory block is still
in use
2011-09-14 11:08:57 CEST HINT: Check if there are any old server processes
still running, and terminate them.