[Dovecot] 1.1.beta9 deliver crashes with segfault

[arvids]

Hello,

after upgrade from beta8 to beta9 deliver process crashes with segfault. 
Deleting old maildirs does not help.

Here is backtrace:
Program received signal SIGSEGV, Segmentation fault.
0x0808e36d in mail_cache_field_get_decision (cache=0x8114da0, field_idx=128) 
at mail-cache-lookup.c:301
301             i_assert(field_idx < cache->fields_count);
(gdb) bt
#0  0x0808e36d in mail_cache_field_get_decision (cache=0x8114da0, 
field_idx=128) at mail-cache-lookup.c:301
#1  0x0808f351 in mail_cache_field_can_add (ctx=0x810ca58, seq=1, field_idx=4) 
at mail-cache-transaction.c:997
#2  0x0808351f in index_mail_want_cache (mail=0x810ce00, field=<value 
optimized out>) at index-mail.c:597
#3  0x08084046 in index_mail_cache_sizes (mail=0x810ce00) at index-mail.c:618
#4  0x080845a7 in index_mail_close (_mail=0x810ce00) at index-mail.c:971
#5  0x0808510e in index_mail_free (_mail=0x810ce00) at index-mail.c:1166
#6  0x080a8e20 in mail_free (mail=0x810cdcc) at mail.c:18
#7  0xb7e3dd3c in quota_mailbox_transaction_commit (ctx=0x810c6f8, 
uid_validity_r=0xbfedf444, first_saved_uid_r=0xbfedf444, 
last_saved_uid_r=0xbfedf444)
    at quota-storage.c:100
#8  0x080aa525 in mailbox_transaction_commit (t=0xbfedf484) at 
mail-storage.c:661
#9  0x08059304 in deliver_save (namespaces=0x80f1210, storage_r=0xbfedf558, 
mailbox=0x80d6918 "INBOX", mail=0x80f8260, flags=0, keywords=0x0)
    at deliver.c:146
#10 0x0805a6cd in main (argc=1301916, argv=0xbfedf614) at deliver.c:898

my dovecot -n output:
# 1.1.beta9: /usr/local/dovecot/etc/dovecot.conf
base_dir: /var/run/dovecot/
syslog_facility: local0
protocols: pop3
ssl_disable: yes
disable_plaintext_auth: no
login_dir: /var/run/dovecot/login
login_executable: /usr/local/dovecot/libexec/dovecot/pop3-login
login_greeting: Server.
login_process_per_connection: no
login_processes_count: 5
login_max_processes_count: 32
verbose_proctitle: yes
first_valid_uid: 95
first_valid_gid: 95
mail_uid: 95
mail_gid: 95
mail_location: maildir:~/Maildir
mail_debug: yes
dotlock_use_excl: yes
fsync_disable: yes
mail_executable: /usr/local/dovecot/libexec/dovecot/pop3
mail_plugins: quota
mail_plugin_dir: /usr/local/dovecot/lib/dovecot/pop3
pop3_enable_last: yes
pop3_client_workarounds: outlook-no-nuls oe-ns-eoh
auth default:
  mechanisms: plain login digest-md5 cram-md5 apop
  cache_size: 1024
  cache_ttl: 600
  cache_negative_ttl: 60
  user: doveauth
  verbose: yes
  debug: yes
  debug_passwords: yes
  passdb:
    driver: sql
    args: /usr/local/dovecot/etc/dovecot-sql.conf
  userdb:
    driver: prefetch
  userdb:
    driver: sql
    args: /usr/local/dovecot/etc/dovecot-sql.conf
  socket:
    type: listen
    master:
      path: /var/run/dovecot/auth-master
      mode: 384
      user: vmail
      group: vmail
plugin:
  quota: dict:::proxy:/var/run/dovecot/dict-server:quotadict
dict:
  quotadict: mysql:/usr/local/dovecot/etc/dovecot-sql-dict-quota.conf


Regards, Arvids