Program received signal SIGSEGV, Segmentation fault.
0x77c4709c in msvcrt!memcpy () from C:\WINDOWS\system32\msvcrt.dll
(gdb) bt
#0 0x77c4709c in msvcrt!memcpy () from C:\WINDOWS\system32\msvcrt.dll
#1 0x0252d773 in region_post_process (romdata=0x32f557dc,
    rgntag=0x22be00 ":user1", invert=false) at src/emu/romload.c:543
#2 0x02531818 in process_region_list (romdata=0x32f557dc)
    at src/emu/romload.c:1433
#3 0x02531c0f in rom_init (machine=...) at src/emu/romload.c:1478
#4 0x024e4ba6 in running_machine::start (this=0x22c340)
    at src/emu/machine.c:278
#5 0x024e5734 in running_machine::run (this=0x22c340, firstrun=true)
    at src/emu/machine.c:368
#6 0x0242bc52 in mame_execute (options=..., osd=...) at src/emu/mame.c:190
#7 0x02766dca in cli_frontend::execute (this=0x22fe80, argc=4, argv=0x3f4c38)
    at src/emu/clifront.c:252
#8 0x01cfa960 in utf8_main (argc=4, argv=0x3f4c38)
    at src/osd/windows/winmain.c:482
#9 0x029e6ca2 in wmain (argc=4, argv=0x3f4670) at src/osd/windows/main.c:82
#10 0x0040140b in __tmainCRTStartup ()
    at /home/ruben/mingw-w64/src/mingw-w64/mingw-w64-crt/crt/crtexe.c:310
#11 0x7c817077 in RegisterWaitForInputIdle ()
   from C:\WINDOWS\system32\kernel32.dll
#12 0x00000000 in ?? ()