(gdb) r Starting program: C:\fperrad\Parrot\trunk/parrot.exe t\\pmc\\env.t Program received signal SIGSEGV, Segmentation fault. 0x686da833 in Parrot_gc_mark_PMC_alive_fun () (gdb) bt #0 0x686da833 in Parrot_gc_mark_PMC_alive_fun () #1 0x687d3495 in Parrot_Context_mark () #2 0x687d3468 in Parrot_Context_mark () #3 0x687d3468 in Parrot_Context_mark () #4 0x687d3468 in Parrot_Context_mark () #5 0x687d3468 in Parrot_Context_mark () #6 0x687d3468 in Parrot_Context_mark () #7 0x687d3468 in Parrot_Context_mark () #8 0x687d3468 in Parrot_Context_mark () #9 0x687d3468 in Parrot_Context_mark () #10 0x687d3468 in Parrot_Context_mark () #11 0x686dbf6a in Parrot_gc_trace_root () #12 0x686dbaac in gc_ms_mark_and_sweep () #13 0x686dbc2f in gc_ms_more_traceable_objects () #14 0x686dbd16 in gc_ms_get_free_object () #15 0x686daada in Parrot_gc_new_pmc_header () #16 0x6871a089 in get_new_pmc_header () #17 0x6871a17a in pmc_new () #18 0x687e5678 in Parrot_NameSpace_nci_get_associated_vtable_methods () #19 0x687928c1 in Parrot_NCI_invoke () #20 0x686e27e0 in Parrot_PCCINVOKE () #21 0x68711511 in Parrot_oo_extract_methods_from_namespace () #22 0x687cb661 in init_class_from_hash () #23 0x6871a311 in pmc_new_init () #24 0x68711cb8 in Parrot_oo_newclass_from_str () #25 0x6869af66 in Parrot_subclass_p_p_sc () #26 0x6871b8dd in runops_slow_core () #27 0x6871aecc in runops_int () #28 0x686e49ca in runops () #29 0x686e4ae4 in runops_args () #30 0x686e4fc1 in Parrot_runops_fromc_args () #31 0x687131b9 in run_sub () #32 0x687134a7 in do_sub_pragmas () #33 0x6871757c in compile_or_load_file () #34 0x687179d8 in Parrot_load_bytecode () #35 0x68684b33 in Parrot_load_bytecode_sc () #36 0x6871b8dd in runops_slow_core () #37 0x6871aecc in runops_int () #38 0x686e49ca in runops () #39 0x686e4ae4 in runops_args () #40 0x686e4fc1 in Parrot_runops_fromc_args () #41 0x687131b9 in run_sub () #42 0x687134a7 in do_sub_pragmas () #43 0x6871757c in compile_or_load_file () #44 0x687179d8 in Parrot_load_bytecode () #45 0x68684b33 in Parrot_load_bytecode_sc () #46 0x6871b8dd in runops_slow_core () #47 0x6871aecc in runops_int () #48 0x686e49ca in runops () #49 0x686e4ae4 in runops_args () #50 0x686e4fc1 in Parrot_runops_fromc_args () #51 0x687131b9 in run_sub () #52 0x687134a7 in do_sub_pragmas () #53 0x6871757c in compile_or_load_file () #54 0x687179d8 in Parrot_load_bytecode () #55 0x68684b33 in Parrot_load_bytecode_sc () #56 0x6871b8dd in runops_slow_core () #57 0x6871aecc in runops_int () #58 0x686e49ca in runops () #59 0x686e4ae4 in runops_args () #60 0x686e4fc1 in Parrot_runops_fromc_args () #61 0x686d2413 in Parrot_runcode () #62 0x688282e3 in imcc_run () #63 0x0040138a in main () (gdb)