#0  0x00007ff8626215f9 in ucrtbase!_wcreat ()
   from C:\WINDOWS\System32\ucrtbase.dll
#1  0x00007ff862621705 in ucrtbase!_dup ()
   from C:\WINDOWS\System32\ucrtbase.dll
#2  0x00007ff810e98e83 in python38!PyImport_ImportModule ()
   from C:\Program Files\Python38\python38.dll
#3  0x00007ff810e9878e in python38!PyCodec_RegisterError ()
   from C:\Program Files\Python38\python38.dll
#4  0x00007ff810e98b56 in python38!PyCodec_RegisterError ()
   from C:\Program Files\Python38\python38.dll
#5  0x00007ff810ec05d6 in python38!PyOS_InitInterrupts ()
   from C:\Program Files\Python38\python38.dll
#6  0x00007ff810ec08d0 in python38!Py_InitializeFromConfig ()
   from C:\Program Files\Python38\python38.dll
#7  0x00007ff810ebec8d in python38!Py_InitializeEx ()
   from C:\Program Files\Python38\python38.dll
#8  0x0000000053912576 in pythonic::py_init () at oct-py-init.cc:142
#9  0x0000000053911842 in Fpycall (args=..., nargout=0) at pycall.cc:157
#10 0x0000000002a0f317 in octave_builtin::call (this=0x4799ef00, tw=...,
    nargout=0, args=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/octave-value/ov-builtin.cc:65
#11 0x0000000002b4ee3a in octave::tree_evaluator::visit_index_expression (
    this=0x4e98e8b8, idx_expr=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2011
#12 0x000000000347cc88 in octave::tree_evaluator::evaluate (this=0x4e98e8b8,
    expr=0x533bd5b0, nargout=<optimized out>)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.h:312
#13 0x0000000002b4b83f in octave::tree_evaluator::visit_statement (
    this=0x4e98e8b8, stmt=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2779
#14 0x0000000002b3eebc in octave::tree_statement::accept (tw=...,
    this=0x4f949320)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:119
#15 octave::tree_evaluator::visit_statement_list (this=0x4e98e8b8, lst=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2848
#16 0x0000000002b4b76b in octave::tree_evaluator::visit_statement (
    this=0x4e98e8b8, stmt=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2757
#17 0x0000000002b3eebc in octave::tree_statement::accept (tw=...,
    this=0x4f9491a0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:119
#18 octave::tree_evaluator::visit_statement_list (this=0x4e98e8b8, lst=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2848
#19 0x0000000002b43bc2 in octave::tree_statement_list::accept (tw=...,
    this=0x50aa6b10)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:194
#20 octave::tree_evaluator::execute_user_script (this=this@entry=0x4e98e8b8,
    user_script=..., nargout=nargout@entry=0, args=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:1516
#21 0x0000000002acfda1 in octave_user_script::call (
    this=this@entry=0x4fb202a0, tw=..., nargout=nargout@entry=0, args=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/octave-value/ov-usr-fcn.cc:168
#22 0x0000000002b2f520 in octave::source_file (file_name=..., context=...,
    verbose=verbose@entry=false, require_file=require_file@entry=true,
    warn_for=...) at libinterp/parse-tree/oct-parse.yy:5065
#23 0x0000000002b2fe49 in Fsource (args=...)
    at /home/spofahl/octave/octave-dbg/usr/lib/gcc/x86_64-w64-mingw32/9.3.0/include/c++/bits/basic_string.h:263
#24 0x0000000002a0f317 in octave_builtin::call (this=0x50de1400, tw=...,
    nargout=0, args=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/octave-value/ov-builtin.cc:65
#25 0x0000000002b4ee3a in octave::tree_evaluator::visit_index_expression (
    this=0x4e98e8b8, idx_expr=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2011
#26 0x000000000347c9d6 in octave::tree_evaluator::evaluate_n (
    this=this@entry=0x4e98e8b8, expr=expr@entry=0x533bce30,
    nargout=<optimized out>, nargout@entry=0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.h:343
#27 0x0000000002b467e6 in octave::tree_evaluator::eval_string (
    this=this@entry=0x4e98e8b8, eval_str=..., silent=silent@entry=false,
    parse_status=@0x5186b1a4: 0, nargout=nargout@entry=0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:243
#28 0x0000000002b46b14 in octave::tree_evaluator::eval_string (
    this=this@entry=0x4e98e8b8, arg=..., silent=silent@entry=false,
    parse_status=@0x5186b1a4: 0, nargout=nargout@entry=0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:287
#29 0x0000000002e12efb in octave::interpreter::eval_string (
    this=this@entry=0x4e98dca0, arg=..., silent=silent@entry=false,
    parse_status=@0x5186b1a4: 0, nargout=nargout@entry=0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/corefcn/interpreter.cc:1150
#30 0x0000000002b22f94 in Fevalin (interp=..., args=..., nargout=0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/liboctave/array/Array.h:529
#31 0x0000000002a0f9fa in octave_builtin::call (this=0x50ddf060, tw=...,
    nargout=0, args=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/octave-value/ov-builtin.cc:71
#32 0x0000000002b4ee3a in octave::tree_evaluator::visit_index_expression (
    this=0x4e98e8b8, idx_expr=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2011
#33 0x000000000347cc88 in octave::tree_evaluator::evaluate (this=0x4e98e8b8,
    expr=0x50ab4d40, nargout=<optimized out>)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.h:312
#34 0x0000000002b4b83f in octave::tree_evaluator::visit_statement (
    this=0x4e98e8b8, stmt=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2779
#35 0x0000000002b3eebc in octave::tree_statement::accept (tw=...,
    this=0x4e8f29c0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:119
#36 octave::tree_evaluator::visit_statement_list (this=0x4e98e8b8, lst=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2848
#37 0x0000000002b44df1 in octave::tree_statement_list::accept (tw=...,
    this=<optimized out>)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:194
#38 octave::tree_evaluator::visit_unwind_protect_command (this=0x4e98e8b8,
    cmd=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:3104
#39 0x0000000002b4b76b in octave::tree_evaluator::visit_statement (
    this=0x4e98e8b8, stmt=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2757
#40 0x0000000002b3eebc in octave::tree_statement::accept (tw=...,
    this=0x4e8f2340)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:119
#41 octave::tree_evaluator::visit_statement_list (this=0x4e98e8b8, lst=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2848
#42 0x0000000002b4b76b in octave::tree_evaluator::visit_statement (
    this=0x4e98e8b8, stmt=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2757
#43 0x0000000002b3eebc in octave::tree_statement::accept (tw=...,
    this=0x4e8f2500)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:119
#44 octave::tree_evaluator::visit_statement_list (this=0x4e98e8b8, lst=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2848
#45 0x0000000002b49576 in octave::tree_statement_list::accept (tw=...,
    this=0x50a9b980)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:194
#46 octave::tree_evaluator::execute_user_function (this=0x4e98e8b8,
    user_function=..., nargout=0, xargs=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:1698
#47 0x0000000002acfe11 in octave_user_function::call (this=<optimized out>,
    tw=..., nargout=<optimized out>, args=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/octave-value/ov-usr-fcn.cc:455
#48 0x0000000002b4ee3a in octave::tree_evaluator::visit_index_expression (
    this=0x4e98e8b8, idx_expr=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2011
#49 0x000000000347cc88 in octave::tree_evaluator::evaluate (this=0x4e98e8b8,
    expr=0x50ab51a0, nargout=<optimized out>)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.h:312
#50 0x0000000002b4b83f in octave::tree_evaluator::visit_statement (
    this=0x4e98e8b8, stmt=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2779
#51 0x0000000002b3eebc in octave::tree_statement::accept (tw=...,
    this=0x4fccca30)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:119
#52 octave::tree_evaluator::visit_statement_list (this=0x4e98e8b8, lst=...)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:2848
#53 0x0000000002b40f7a in octave::tree_statement_list::accept (tw=...,
    this=<optimized out>)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-stmt.h:194
#54 octave::tree_evaluator::repl (this=this@entry=0x4e98e8b8,
    interactive=true)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/parse-tree/pt-eval.cc:106
#55 0x0000000002e12a7e in octave::interpreter::main_loop (
    this=this@entry=0x4e98dca0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/corefcn/interpreter.cc:949
#56 0x0000000002e1bef4 in octave::interpreter::main_loop (this=0x4e98dca0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/corefcn/interpreter.cc:932
#57 octave::interpreter::execute (this=this@entry=0x4e98dca0)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libinterp/corefcn/interpreter.cc:694
#58 0x00000000322bba80 in octave::octave_interpreter::execute (
    this=0x479b9940)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libgui/src/main-window.cc:146
#59 0x0000000032319e5d in octave::octave_interpreter::qt_static_metacall (
    _o=0x237, _c=63, _id=-1, _a=0x7ff862646aa0 <ucrtbase!_wctype+54432>)
    at libgui/src/moc-main-window.cc:90
#60 0x0000000066945c16 in QObject::event(QEvent*) ()
   from C:\oct_dbg\mingw64\bin\Qt5Core.dll
#61 0x0000000038a47953 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from C:\oct_dbg\mingw64\bin\Qt5Widgets.dll
#62 0x0000000038a5058e in QApplication::notify(QObject*, QEvent*) ()
   from C:\oct_dbg\mingw64\bin\Qt5Widgets.dll
#63 0x00000000322be01e in octave::octave_qapplication::notify (
    this=<optimized out>, receiver=<optimized out>, ev=<optimized out>)
    at /home/spofahl/octave/octave-dbg/tmp-release-octave/octave-5.2.0/libgui/src/main-window.cc:2802
#64 0x000000006691ac8a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
    () from C:\oct_dbg\mingw64\bin\Qt5Core.dll
#65 0x0000000066921561 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from C:\oct_dbg\mingw64\bin\Qt5Core.dll
#66 0x0000000066974d5f in QEventDispatcherWin32::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from C:\oct_dbg\mingw64\bin\Qt5Core.dll
#67 0x0000000066919963 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from C:\oct_dbg\mingw64\bin\Qt5Core.dll
#68 0x0000000066758ef0 in QThread::run() ()
   from C:\oct_dbg\mingw64\bin\Qt5Core.dll
#69 0x0000000066759ae3 in QThread::setTerminationEnabled(bool) ()
   from C:\oct_dbg\mingw64\bin\Qt5Core.dll
#70 0x00007ff863967974 in KERNEL32!BaseThreadInitThunk ()
   from C:\WINDOWS\System32\kernel32.dll
#71 0x00007ff86646a271 in ntdll!RtlUserThreadStart ()
   from C:\WINDOWS\SYSTEM32\ntdll.dll
#72 0x0000000000000000 in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb)