#0  0x00007fe9802d02b5 in Perl_pp_or () from /usr/lib/libperl.so.5.10
No symbol table info available.
#1  0x00007fe9802ccf86 in Perl_runops_standard () from /usr/lib/libperl.so.5.10
No symbol table info available.
#2  0x00007fe9802cb24c in perl_run () from /usr/lib/libperl.so.5.10
No symbol table info available.
#3  0x0000000000400d7c in main ()
No symbol table info available.