Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46912513496720 (LWP 25088)]
0x0000003546876170 in strlen () from /lib64/libc.so.6
(gdb) bt
#0  0x0000003546876170 in strlen () from /lib64/libc.so.6
#1  0x00000000006db986 in add_assoc_string_ex (arg=0x2aaab0bca8e0, key=0x7c2525 "ssl_version", key_len=12, str=0x0, duplicate=1)
    at /home/cpeasyapache/src/php-5.2.5/Zend/zend_API.c:1032
#2  0x00000000004a3c84 in zif_curl_version (ht=<value optimized out>, return_value=0x2aaab0bca8e0,
    return_value_ptr=<value optimized out>, this_ptr=<value optimized out>, return_value_used=<value optimized out>)
    at /home/cpeasyapache/src/php-5.2.5/ext/curl/interface.c:1044
#3  0x00002aaab03b3188 in _object_init_ex@plt () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so
#4  0x00002aaab040da91 in _object_init_ex@plt () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so
#5  0x00002aaab040dd41 in _object_init_ex@plt () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so
#6  0x00000000006efd05 in ZEND_USER_OPCODE_SPEC_HANDLER (execute_data=0x0)
    at /home/cpeasyapache/src/php-5.2.5/Zend/zend_vm_execute.h:616
#7  0x00000000006f0f9c in execute (op_array=0xe2f8bf0) at /home/cpeasyapache/src/php-5.2.5/Zend/zend_vm_execute.h:92
#8  0x00002aaab040e311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so
#9  0x00000000006f19b1 in zend_do_fcall_common_helper_SPEC (execute_data=0x7ffff93b98f0)
    at /home/cpeasyapache/src/php-5.2.5/Zend/zend_vm_execute.h:234
#10 0x00000000006f0f9c in execute (op_array=0xe2f9140) at /home/cpeasyapache/src/php-5.2.5/Zend/zend_vm_execute.h:92
#11 0x00002aaab040e311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so
#12 0x00000000006f19b1 in zend_do_fcall_common_helper_SPEC (execute_data=0x7ffff93c4310)
    at /home/cpeasyapache/src/php-5.2.5/Zend/zend_vm_execute.h:234
#13 0x00000000006f0f9c in execute (op_array=0xddd4438) at /home/cpeasyapache/src/php-5.2.5/Zend/zend_vm_execute.h:92
#14 0x00002aaab040e311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so
#15 0x00000000006d1dad in zend_execute_scripts (type=8, retval=<value optimized out>, file_count=3)
    at /home/cpeasyapache/src/php-5.2.5/Zend/zend.c:1134
#16 0x000000000068fc6b in php_execute_script (primary_file=0x7ffff93c69d0) at /home/cpeasyapache/src/php-5.2.5/main/main.c:2004
#17 0x0000000000751713 in main (argc=3, argv=0x7ffff93c6bd8) at /home/cpeasyapache/src/php-5.2.5/sapi/cli/php_cli.c:1140
(gdb) frame 2
#2  0x00000000004a3c84 in zif_curl_version (ht=<value optimized out>, return_value=0x2aaab0bca8e0,
    return_value_ptr=<value optimized out>, this_ptr=<value optimized out>, return_value_used=<value optimized out>)
    at /home/cpeasyapache/src/php-5.2.5/ext/curl/interface.c:1044
1044            CAAS("ssl_version", d->ssl_version);
(gdb) print d->ssl_version
$1 = 0x0