[BUG] [CRASH] Segmentation Fault on var_dump()

[ghost]

<?php
$di     = new \Phalcon\DI\FactoryDefault();
$url    = $di->get('url');
$router = $di->get('router');
var_dump($router);
?>

The crash does not happen if $di->get('url'); is commented out.

#0  0x0000000000a42b6b in zend_hash_apply_with_arguments (ht=0x7f701205c0f8, tsrm_ls=0x219ba70, apply_func=0x85ef10 <php_array_element_dump>, num_args=1) at /tmp/php-build/source/5.5.4/Zend/zend_hash.c:769
#1  0x000000000085f791 in php_var_dump (struc=0x7f701205cee0, level=5, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/ext/standard/var.c:146
#2  0x000000000085f1c7 in php_object_property_dump (zv=0x7f701205cee0, tsrm_ls=0x219ba70, num_args=1, args=0x7fff5d48c2d8, hash_key=0x7fff5d48c2c0) at /tmp/php-build/source/5.5.4/ext/standard/var.c:82
#3  0x0000000000a42bc6 in zend_hash_apply_with_arguments (ht=0x7f701205c050, tsrm_ls=0x219ba70, apply_func=0x85f01a <php_object_property_dump>, num_args=1) at /tmp/php-build/source/5.5.4/Zend/zend_hash.c:772
#4  0x000000000085f791 in php_var_dump (struc=0x7f701205b938, level=3, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/ext/standard/var.c:146
#5  0x000000000085f1c7 in php_object_property_dump (zv=0x7f701205b938, tsrm_ls=0x219ba70, num_args=1, args=0x7fff5d48c4f8, hash_key=0x7fff5d48c4e0) at /tmp/php-build/source/5.5.4/ext/standard/var.c:82
#6  0x0000000000a42bc6 in zend_hash_apply_with_arguments (ht=0x7f701205b7d8, tsrm_ls=0x219ba70, apply_func=0x85f01a <php_object_property_dump>, num_args=1) at /tmp/php-build/source/5.5.4/Zend/zend_hash.c:772
#7  0x000000000085f791 in php_var_dump (struc=0x7f70120e3310, level=1, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/ext/standard/var.c:146
#8  0x000000000085f96b in zif_var_dump (ht=1, return_value=0x7f701211de68, return_value_ptr=0x7f70120e3100, this_ptr=0x0, return_value_used=0, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/ext/standard/var.c:183
#9  0x00007f7002f44650 in phalcon_execute_internal (execute_data_ptr=0x7f70120e3258, fci=0x0, return_value_used=0, tsrm_ls=0x219ba70) at /home/vladimir/workspace/cphalcon/ext/phalcon.c:371
#10 0x0000000000a74f4f in zend_do_fcall_common_helper_SPEC (execute_data=0x7f70120e3258, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/Zend/zend_vm_execute.h:552
#11 0x0000000000a7a773 in ZEND_DO_FCALL_SPEC_CONST_HANDLER (execute_data=0x7f70120e3258, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/Zend/zend_vm_execute.h:2329
#12 0x0000000000a7424e in execute_ex (execute_data=0x7f70120e3258, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/Zend/zend_vm_execute.h:363
#13 0x0000000000a74333 in zend_execute (op_array=0x7f701211eed8, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/Zend/zend_vm_execute.h:388
#14 0x0000000000a2ec68 in zend_execute_scripts (type=8, tsrm_ls=0x219ba70, retval=0x0, file_count=3) at /tmp/php-build/source/5.5.4/Zend/zend.c:1318
#15 0x000000000096f9ec in php_execute_script (primary_file=0x7fff5d48ed60, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/main/main.c:2489
#16 0x0000000000aef369 in do_cli (argc=2, argv=0x219b990, tsrm_ls=0x219ba70) at /tmp/php-build/source/5.5.4/sapi/cli/php_cli.c:994
#17 0x0000000000af09a0 in main (argc=2, argv=0x219b990) at /tmp/php-build/source/5.5.4/sapi/cli/php_cli.c:1378