segfault.sh

~/dev/v5$ LC_ALL=C gdb --args /home/froggs/dev/nqp/install/bin/moar --libpath="/home/froggs/dev/nqp/install/languages/nqp/lib" --libpath="/home/froggs/dev/nqp/install/languages/perl6/lib" --libpath="/home/froggs/dev/nqp/install/languages/perl6/runtime" /home/froggs/dev/nqp/install/languages/perl6/runtime/perl6.moarvm --target=mbc --output=lib/Perl5/Terms.moarvm lib/Perl5/Terms.pm
GNU gdb (GDB) 7.6.1-ubuntu
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /home/froggs/dev/nqp/install/bin/moar...done.
(gdb) run
Starting program: /home/froggs/dev/nqp/install/bin/moar --libpath=/home/froggs/dev/nqp/install/languages/nqp/lib --libpath=/home/froggs/dev/nqp/install/languages/perl6/lib --libpath=/home/froggs/dev/nqp/install/languages/perl6/runtime /home/froggs/dev/nqp/install/languages/perl6/runtime/perl6.moarvm --target=mbc --output=lib/Perl5/Terms.moarvm lib/Perl5/Terms.pm
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7a0cc93 in memcpy (__len=2, __src=<synthetic pointer>, __dest=0x518bef35) at /usr/include/x86_64-linux-gnu/bits/string3.h:51
51	  return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
(gdb) bt full
#0  0x00007ffff7a0cc93 in memcpy (__len=2, __src=<synthetic pointer>, __dest=0x518bef35) at /usr/include/x86_64-linux-gnu/bits/string3.h:51
No locals.
#1  write_int16 (value=2, offset=1227232981, buffer=0x865d860 "\v") at src/6model/serialization.c:187
No locals.
#2  write_int16_func (tc=<optimized out>, writer=writer@entry=0x7fc99c0, value=value@entry=2) at src/6model/serialization.c:336
No locals.
#3  0x00007ffff7a0d426 in write_ref_func (tc=0x603430, writer=0x7fc99c0, ref=0x11b2ce0) at src/6model/serialization.c:629
        discrim = 2
#4  0x00007ffff79fc273 in serialize (tc=0x603430, st=<optimized out>, data=<optimized out>, writer=0x7fc99c0) at src/6model/reprs/P6opaque.c:1084
        a_offset = <optimized out>
        a_st = <optimized out>
        repr_data = 0x2c0c780
        num_attributes = <optimized out>
        i = <optimized out>
#5  0x00007ffff7a0e568 in serialize_object (obj=0x7881500, writer=0x7fc99c0, tc=0x603430) at src/6model/serialization.c:912
        offset = 47472
        sc = 3
        sc_idx = 45
#6  serialize (writer=0x7fc99c0, tc=0x603430) at src/6model/serialization.c:1055
        stables_todo = 17
        objects_todo = 3154
        contexts_todo = 0
        work_todo = <optimized out>
#7  MVM_serialization_serialize (tc=tc@entry=0x603430, sc=<optimized out>, empty_string_heap=<optimized out>) at src/6model/serialization.c:1126
        writer = 0x7fc99c0
        result = 0x0
        sc_elems = <optimized out>
#8  0x00007ffff79d3177 in MVM_interp_run (tc=tc@entry=0x603430, initial_invoke=initial_invoke@entry=0x7ffff7a2221f <toplevel_initial_invoke>, 
    invoke_data=<optimized out>) at src/core/interp.c:3481
        sc = <optimized out>
        obj = <optimized out>
        op = <optimized out>
        cur_op = 0x7ffff7e68a42 "\r"
        bytecode_start = 0x7ffff7e689de "\214"
        reg_base = 0x8104510
        cu = 0x709f38
        cur_callsite = 0xa14f70
#9  0x00007ffff7a228c8 in MVM_vm_run_file (instance=instance@entry=0x603010, filename=<optimized out>) at src/moar.c:176
        start_frame = <optimized out>
        tc = 0x603430
        cu = 0x7ffff63f76a0
#10 0x0000000000400ceb in main (argc=8, argv=0x7fffffffdd48) at src/main.c:146
        instance = 0x603010
        input_file = <optimized out>
        lib_path = {0x7fffffffe13f "/home/froggs/dev/nqp/install/languages/nqp/lib", 0x7fffffffe178 "/home/froggs/dev/nqp/install/languages/perl6/lib", 
          0x7fffffffe1b3 "/home/froggs/dev/nqp/install/languages/perl6/runtime", 0x0, 0xf0b2ff "", 0xc2 <Address 0xc2 out of bounds>, 0x1 <Address 0x1 out of bounds>, 
          0x400d6d <__libc_csu_init+93> "H\203\303\001H9\353u\352H\213\\$\bH\213l$\020L\213d$\030L\213l$ L\213t$(L\213|$0H\203\304\070\303\017\037\200"}
        dump = 0
        argi = <optimized out>
        lib_path_i = 3