Segfault when exception without frame is thrown

[piotras]

Exception thrown without a stack frame in unknown on line 0

Invalid read of size 4
==6887== at 0x83325D8: zend_object_store_get_object (in /usr/bin/php5)
==6887== by 0x4EAEC80: zm_deactivate_midgard2 (midgard.c:585)
==6887== by 0x830DC5F: ??? (in /usr/bin/php5)
==6887== by 0x8318897: zend_hash_reverse_apply (in /usr/bin/php5)
==6887== by 0x830C4A0: ??? (in /usr/bin/php5)
==6887== by 0x82B1074: php_request_shutdown (in /usr/bin/php5)
==6887== by 0x83A1830: ??? (in /usr/bin/php5)
==6887== by 0x4563BD5: (below main) (libc-start.c:226)
==6887== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==6887==
==6887==
==6887== Process terminating with default action of signal 11 (SIGSEGV)
==6887== Access not within mapped region at address 0x0
==6887== at 0x83325D8: zend_object_store_get_object (in /usr/bin/php5)
==6887== by 0x4EAEC80: zm_deactivate_midgard2 (midgard.c:585)
==6887== by 0x830DC5F: ??? (in /usr/bin/php5)
==6887== by 0x8318897: zend_hash_reverse_apply (in /usr/bin/php5)
==6887== by 0x830C4A0: ??? (in /usr/bin/php5)
==6887== by 0x82B1074: php_request_shutdown (in /usr/bin/php5)
==6887== by 0x83A1830: ??? (in /usr/bin/php5)
==6887== by 0x4563BD5: (below main) (libc-start.c:226)