(gdb) *bt full*
#0 __strcmp_sse2_unaligned () at ../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:32
*No locals.*
#1 0x00007fffed6d672d in xdebug_branch_info_mark_end_of_function_reached *()*
from /usr/php/7.0dev-nodebug/lib/php/extensions/no-debug-non-zts-20151012/xdebug.so
*No symbol table info available.*
#2 0x00007fffed6d910a in xdebug_code_coverage_end_of_function ()
from /usr/php/7.0dev-nodebug/lib/php/extensions/no-debug-non-zts-20151012/xdebug.so
No symbol table info available.
#3 0x00007fffed6d3664 in xdebug_execute_ex ()
from /usr/php/7.0dev-nodebug/lib/php/extensions/no-debug-non-zts-20151012/xdebug.so
No symbol table info available.
#4 0x00000000008e0e2d in *?? ()*
No symbol table info available.
#5 0x000000000089cbbb in execute_ex ()
No symbol table info available.
#6 0x00007fffed6d35ff in xdebug_execute_ex ()
from /usr/php/7.0dev-nodebug/lib/php/extensions/no-debug-non-zts-20151012/xdebug.so
No symbol table info available.
#7 0x00000000008e0e2d in ?? ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
