Seamonkey core dumps at start in nsACString_internal::~nsACString_internal

[Stephen Hurd]

The current Seamonkey port is core dumping for me in 
nsACString_internal::~nsACString_internal

My options were:
# This file is auto-generated by 'make config'.
# No user-servicable parts inside!
# Options for seamonkey-1.1.7
_OPTIONS_READ=seamonkey-1.1.7
WITH_MAILNEWS=true
WITH_COMPOSER=true
WITHOUT_LDAP=true
WITH_CHATZILLA=true
WITH_JAVASCRIPT_DEBUGGER=true
WITHOUT_SMB=true
WITHOUT_DEBUG=true
WITHOUT_LOGGING=true
WITH_OPTIMIZED_CFLAGS=true

Anyone have a set of options that does work?  I expect that 
WITHOUT_DEBUG and WITH_OPTIMIZED_CFLAGS at the very least should be frobbed.