Description:
------------
When running the php commandline interface, php segfaults on exit.

Reproduce code:
---------------
php -v
PHP 5.1.2-gentoo (cli) (built: Jan 27 2006 13:01:11) (DEBUG)
Copyright (c) 1997-2006 The PHP Group
Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies
Segmentation fault

Configured with:
./configure --prefix=/usr/lib/php5 --sysconfdir=/etc --cache-file=./config.cache --enable-cli --disable-cgi --with-config-file-path=/etc/php/cli-php5 --with-config-file-scan
-dir=/etc/php/cli-php5/ext-active --without-pear --enable-bcmath=shared --with-bz2=shared --enable-calendar=shared --with-curl=shared --with-curlwrappers=shared --disable-dbase
--enable-exif=shared --without-fbsql --without-fdftk --disable-filepro --enable-ftp=shared --with-gettext=shared --with-gmp=shared --disable-hash --without-hwapi --without-infor
mix --without-kerberos --enable-mbstring=shared --with-mcrypt=shared --disable-memory-limit --with-mhash=shared --with-ming=shared --without-msql --without-mssql --with-ncurses=
shared --without-oci8 --without-oci8 --with-openssl=shared --with-openssl-dir=/usr --enable-pcntl=shared --disable-pdo --without-pgsql --with-pspell=shared --without-recode --di
sable-reflection --disable-simplexml --disable-shmop --without-snmp --disable-soap --enable-sockets=shared --without-sybase --without-sybase-ct --enable-sysvmsg=shared --enable-
sysvsem=shared --enable-sysvshm=shared --with-tidy=shared --disable-wddx --disable-xmlreader --disable-xmlwriter --without-xmlrpc --with-xsl=shared --with-zlib=shared --enable-d
ebug --enable-dba=shared --without-cdb --with-db4=shared --with-flatfile=shared --with-gdbm=shared --with-inifile=shared --without-qdbm --with-freetype-dir=/usr --with-t1lib=/us
r --disable-gd-jis-conv --enable-gd-native-ttf --with-jpeg-dir=/usr --with-png-dir=/usr --with-xpm-dir=/usr/X11R6 --with-gd --with-imap=shared --with-imap-ssl --with-ldap=shared
 --with-ldap-sasl --with-mysql=shared,/usr/lib/mysql --with-mysql-sock=/var/run/mysqld/mysqld.sock --without-mysqli --with-readline --without-libedit --disable-session --enable-
sqlite-utf8 --with-pic --enable-maintainer-zts --enable-experimental-zts

Expected result:
----------------
php -v
PHP 5.1.2-gentoo (cli) (built: Jan 27 2006 13:01:11) (DEBUG)
Copyright (c) 1997-2006 The PHP Group
Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies


Actual result:
--------------
gdb --args php -v
GNU gdb 6.4
Copyright 2005 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...Using host libthread_db library "/lib/tls/libthread_db.so.1".

(gdb) run
Starting program: /usr/bin/php -v
[Thread debugging using libthread_db enabled]
[New Thread -1208424768 (LWP 3847)]
PHP 5.1.2-gentoo (cli) (built: Jan 27 2006 13:01:11) (DEBUG)
Copyright (c) 1997-2006 The PHP Group
Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208424768 (LWP 3847)]
0xb7be47d6 in ?? ()
(gdb) bt
#0  0xb7be47d6 in ?? ()
#1  0x082164c9 in tsrm_shutdown () at /home/gentoo/tmp/portage/php-5.1.2/work/php-5.1.2/TSRM/TSRM.c:180
#2  0x08304c0e in main (argc=2, argv=0xbfebc4c4) at /home/gentoo/tmp/portage/php-5.1.2/work/php-5.1.2/sapi/cli/php_cli.c:1240
(gdb)