firefox core dump

[Sean McNeil]

I just got done rebuilding firefox on amd64 and I get a sigbus on
startup.  I had

CFLAGS= -O -pipe -g
STRIP=

in my make.conf, but it didn't make a difference for the traceback:

(gdb) bt
#0  0x0000000200835a64 in non-virtual thunk to
nsDirectoryService::AddRef() ()
   from /usr/X11R6/lib/firefox/lib/firefox-0.9/libxpcom.so
#1  0x00000002008350a3 in nsDirectoryService::~nsDirectoryService ()
   from /usr/X11R6/lib/firefox/lib/firefox-0.9/libxpcom.so
#2  0x0000000200834ddc in nsDirectoryService::Create ()
   from /usr/X11R6/lib/firefox/lib/firefox-0.9/libxpcom.so
#3  0x000000020081c4a2 in NS_InitXPCOM2 ()
   from /usr/X11R6/lib/firefox/lib/firefox-0.9/libxpcom.so
#4  0x0000000000407747 in ScopedXPCOMStartup::Initialize ()
#5  0x00000000004089b2 in ScopedXPCOMStartup::SetWindowCreator ()
#6  0x0000000000408e74 in ScopedXPCOMStartup::SetWindowCreator ()
#7  0x00000000004098fa in xre_main ()
#8  0x00000000004058a0 in main ()

Is that DirectoryService as in ldap?