#0  scheme_gmp_tls_unload (s=0x8019c9930, data=0x0) at ./gmp/gmp.c:5813
#1  0x00000000005db0fe in done_with_GC () at ./../src/thread.c:7591
#2  0x000000000060fb16 in garbage_collect (gc=<value optimized out>, 
    force_full=<value optimized out>, switching_master=<value optimized out>, 
    lmi=<value optimized out>) at ./newgc.c:4433
#3  0x0000000000613aaa in allocate_slowpath (s=<value optimized out>) at ./newgc.c:1182
#4  allocate (s=<value optimized out>) at ./newgc.c:1220
#5  allocate (s=<value optimized out>) at ./newgc.c:1328
#6  GC_malloc_one_tagged (s=<value optimized out>) at ./newgc.c:1328
#7  0x0000000000613dd4 in GC_malloc_pair (car=<value optimized out>, 
    cdr=<value optimized out>) at ./newgc.c:1292
#8  0x00000000004f0a45 in do_add_simple_require_renames (rn=0x8019ca720, 
    required=0x8019ca690, orig_src=0x8019ca790, im=0x8019c8a08, pt=0x8019ca5b8, 
    idx=0x8019c8580, marshal_phase_index=0x1, src_phase_index=0x1, can_override=1)
    at ./../src/module.c:2401
#9  0x00000000004f0d70 in add_simple_require_renames (orig_src=0x8019ca790, 
    rn_set=0x8019ca820, tables=0x8019ca7d0, im=0x8019c8a08, idx=0x8019c8580, 
    import_shift=0x1, can_override=1, only_export_phase=0x0) at ./../src/module.c:2458
#10 0x0000000000501bbc in do_module_begin (form=0x8019caa88, env=0x8019ca920, 
    rec=0x7fffffffb630, drec=0) at ./../src/module.c:6185
#11 0x0000000000627c46 in scheme_compile_expand_expr (form=0x8019caa88, env=0x8019ca920, 
    rec=0x7fffffffb630, drec=<value optimized out>, app_position=0)
    at ./../src/compile.c:4159
#12 0x00000000004fa9f3 in do_module (form=0x8019cae98, env=0x8019cab08, 
    rec=0x7fffffffb630, drec=0) at ./../src/module.c:5665
#13 0x0000000000627c46 in scheme_compile_expand_expr (form=0x8019cae98, env=0x8019cab08, 
    rec=0x7fffffffb630, drec=<value optimized out>, app_position=0)
    at ./../src/compile.c:4159
#14 0x0000000000443552 in compile_k () at ./../src/eval.c:3683
#15 0x0000000000465faa in scheme_top_level_do_worker (k=0x442fc0 <compile_k>, 
    eb=<value optimized out>, new_thread=0, dyn_state=0x0) at ./../src/fun.c:1123
#16 0x00000000004492b4 in scheme_default_compile_handler (argc=<value optimized out>, 
    argv=0x7fffffffbd10) at ./../src/eval.c:4273
#17 0x000000000044da19 in scheme_do_eval (obj=0x930610, num_rands=2, 
    rands=0x7fffffffbd10, get_value=1) at ./../src/eval.c:2351
#18 0x000000000045e1de in apply_k () at ./../src/fun.c:1284
#19 0x0000000000465faa in scheme_top_level_do_worker (k=0x45e150 <apply_k>, 
    eb=<value optimized out>, new_thread=0, dyn_state=0x0) at ./../src/fun.c:1123
#20 0x0000000000442d94 in call_compile_handler (form=<value optimized out>, 
    immediate_eval=<value optimized out>) at ./../src/eval.c:3537
#21 0x0000000000443a50 in compile_k () at ./../src/eval.c:3669
#22 0x0000000000465faa in scheme_top_level_do_worker (k=0x442fc0 <compile_k>, 
    eb=<value optimized out>, new_thread=0, dyn_state=0x0) at ./../src/fun.c:1123
#23 0x000000000044f413 in scheme_default_eval_handler (argc=<value optimized out>, 
    argv=0x8019cebb0) at ./../src/eval.c:4260
#24 0x000000000044da19 in scheme_do_eval (obj=0x9305d0, num_rands=1, rands=0x8019cebb0, 
    get_value=-1) at ./../src/eval.c:2351
#25 0x000000000044bf83 in scheme_do_eval (obj=0x8019cb040, num_rands=0, rands=0x0, 
    get_value=-1) at ./../src/eval.c:2764
#26 0x000000000046d014 in scheme_finish_apply_for_prompt (prompt=0x0, 
    _prompt_tag=<value optimized out>, proc=0x8019cb040, argc=0, argv=0x0)
    at ./../src/fun.c:5481
#27 0x000000000046d233 in scheme_apply_for_prompt (prompt=<value optimized out>, 
    prompt_tag=<value optimized out>, proc=<value optimized out>, 
    argc=<value optimized out>, argv=<value optimized out>) at ./../src/fun.c:5560
#28 0x0000000000472711 in call_with_prompt (in_argc=<value optimized out>, 
    in_argv=0x7fffffffc8f0) at ./../src/fun.c:5885
#29 0x000000000044da19 in scheme_do_eval (obj=0x91f9a0, num_rands=3, 
    rands=0x7fffffffc8f0, get_value=-1) at ./../src/eval.c:2351
#30 0x0000000000467002 in do_call_with_prompt (f=<value optimized out>, 
    data=<value optimized out>, multi=1, top_level=0) at ./../src/fun.c:6077
#31 0x000000000046d3d5 in do_apply_with_prompt (rator=0x9305d0, num_rands=1, 
    rands=0x7fffffffcaa8, multi=1, top_level=0) at ./../src/fun.c:1403
#32 0x000000000055272e in do_load_handler (data=<value optimized out>)
    at ./../src/portfun.c:4284
#33 0x000000000046fce1 in scheme_dynamic_wind (pre=0, act=0x552430 <do_load_handler>, 
    post=0x54ecc0 <post_load_handler>, jmp_handler=0, data=0x8019cb2b0)
    at ./../src/fun.c:7743
#34 0x0000000000552367 in default_load (argc=<value optimized out>, argv=0x8019a9db8)
    at ./../src/portfun.c:4400
#35 0x0000000800aa19aa in ?? ()
#36 0x00007fffffffcd80 in ?? ()
#37 0x00000008019a9ea0 in ?? ()
#38 0x0000000000000005 in ?? ()
#39 0x00000008015771a8 in ?? ()
#40 0x00000000ffffffff in ?? ()
#41 0x0000000000000000 in ?? ()