paste region in overwrite mode at the end of editable region -> assertion triggered in debug mode

[firexx]

reproduce:

1. copy any two bytes (ctrl-c)
2. go to the end of document
3. paste the clipboard (ctrl-v)
4. crash

[firexx]

can't reproduce anymore.

[firexx]

reopen.
the issue is not crash but assertion triggered in qt 4.6.0
callstack:
QtCored4.dll!qt_message_output(QtMsgType msgType, const char * buf) Line 2214 C++
QtCored4.dll!qt_message(QtMsgType msgType, const char * msg, char * ap) Line 2272 C++
QtCored4.dll!qFatal(const char * msg, ...) Line 2455 C++
QtCored4.dll!qt_assert(const char * assertion, const char * file, int line) Line 1989 C++
QtCored4.dll!QByteArray::at(int i) Line 388 C++
qhexedit.dll!Chunks::dataChanged(__int64 pos) Line 165 C++
qhexedit.dll!CharCommand::redo() Line 86 C++
QtGuid4.dll!QUndoStack::push(QUndoCommand * cmd) Line 543 C++
qhexedit.dll!UndoStack::removeAt(__int64 pos, __int64 len) Line 140 C++
qhexedit.dll!UndoStack::overwrite(__int64 pos, int len, const QByteArray & ba) Line 162 C++
qhexedit.dll!QHexEdit::replace(__int64 pos, __int64 len, const QByteArray & ba) Line 328 C++

qhexedit.dll!QHexEdit::keyPressEvent(QKeyEvent * event) Line 572 C++

so it is not correct function.

[Simsys]

fixed, see 0c6efdf