(gdb) run
Starting program: /usr/local/bin/php
[Thread debugging using libthread_db enabled]
[New Thread -1208850752 (LWP 17355)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208850752 (LWP 17355)]
zend_register_functions (scope=0x0, functions=0x5b67d0, function_table=0x0, type=1) at /php-5.2.0/Zend/zend_API.c:1647
1647 if (ptr->arg_info[0].required_num_args == -1) {
(gdb) backtrace
#0 zend_register_functions (scope=0x0, functions=0x5b67d0, function_table=0x0, type=1) at /php-5.2.0/Zend/zend_API.c:1647
#1 0x0825a79e in zend_register_module_ex (module=0x8590240) at /php-5.2.0/Zend/zend_API.c:1562
#2 0x081b75d7 in php_dl (file=0x8561388, type=1, return_value=0xbfb19058, start_now=0) at /php-5.2.0/ext/standard/dl.c:221
#3 0x0821c8e8 in php_load_function_extension_cb (arg=0x8561388) at /php-5.2.0/main/php_ini.c:235
#4 0x0824bbdc in zend_llist_apply (l=0x8391fbc, func=0x821c8c0 <php_load_function_extension_cb>) at /php-5.2.0/Zend/zend_llist.c:191
#5 0x0821c89e in php_ini_register_extensions () at /php-5.2.0/main/php_ini.c:563
#6 0x08217975 in php_module_startup (sf=0x8390a60, additional_modules=0x0, num_additional_modules=0) at /php-5.2.0/main/main.c:1586
#7 0x082c9b34 in main (argc=1, argv=0xbfb193f4) at /php-5.2.0/sapi/cgi/cgi_main.c:1126