On neon dev unstable...

I installed a debug package via cli, I clicked "Reload" button in the crash wizard so drkonqi crashed.

#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007f6bfb0087dd in KCrash::defaultCrashHandler(int) ()
   from /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5
#2  <signal handler called>
#3  BacktraceLine::type (this=<optimized out>)
    at ./src/parser/backtraceline.h:59
#4  GdbHighlighter::highlightBlock (this=this@entry=0x5561c06b1880, text=...)
    at ./src/gdbhighlighter.cpp:80
#5  0x00007f6bf818b808 in QSyntaxHighlighterPrivate::reformatBlock (
    this=this@entry=0x5561c0978890, block=...)
    at text/qsyntaxhighlighter.cpp:203
#6  0x00007f6bf818b9c0 in QSyntaxHighlighterPrivate::reformatBlocks (
    this=0x5561c0978890, from=<optimized out>, charsRemoved=<optimized out>, 
    charsAdded=15) at text/qsyntaxhighlighter.cpp:184
#7  0x00007f6bf7ac0ad5 in QMetaObject::activate (
    sender=sender@entry=0x5561c0301d70, signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x7fffb4a98720) at kernel/qobject.cpp:3771
#8  0x00007f6bf7ac11a7 in QMetaObject::activate (
    sender=sender@entry=0x5561c0301d70, 
    m=m@entry=0x7f6bf86b6ec0 <QTextDocument::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x7fffb4a98720) at kernel/qobject.cpp:3633
---Type <return> to continue, or q <return> to quit---
#9  0x00007f6bf83df7ea in QTextDocument::contentsChange (
    this=this@entry=0x5561c0301d70, _t1=<optimized out>, _t2=<optimized out>, 
    _t3=<optimized out>) at .moc/moc_qtextdocument.cpp:383
#10 0x00007f6bf8148411 in QTextDocumentPrivate::finishEdit (
    this=0x5561c032fdb0) at text/qtextdocument_p.cpp:1217
#11 0x00007f6bf814866c in QTextDocumentPrivate::endEditBlock (
    this=<optimized out>) at text/qtextdocument_p.cpp:1201
#12 0x00007f6bf8175c04 in QTextCursor::endEditBlock (
    this=this@entry=0x7fffb4a987d8) at text/qtextcursor.cpp:2510
#13 0x00007f6bf89fddec in QWidgetTextControlPrivate::append (
    this=0x5561c02e91d0, text=..., format=format@entry=Qt::AutoText)
    at widgets/qwidgettextcontrol.cpp:3136
#14 0x00007f6bf89fde7e in QWidgetTextControl::append (this=<optimized out>, 
    text=...) at widgets/qwidgettextcontrol.cpp:3142
#15 0x00007f6bf89da119 in QTextEdit::append (this=<optimized out>, text=...)
    at widgets/qtextedit.cpp:2626
#16 0x00005561bf834c80 in BacktraceWidget::backtraceNewLine (
    this=<optimized out>, line=...) at ./src/backtracewidget.cpp:316
#17 0x00007f6bf7ac0bef in QtPrivate::QSlotObjectBase::call (a=0x7fffb4a989c0, 
    r=0x5561c031c750, this=0x5561c0321510)
    at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#18 QMetaObject::activate (sender=sender@entry=0x5561c02451b0, 
    signalOffset=<optimized out>, 
---Type <return> to continue, or q <return> to quit---
    local_signal_index=local_signal_index@entry=1, 
    argv=argv@entry=0x7fffb4a989c0) at kernel/qobject.cpp:3754
#19 0x00007f6bf7ac11a7 in QMetaObject::activate (
    sender=sender@entry=0x5561c02451b0, 
    m=m@entry=0x5561bfab7100 <BacktraceGenerator::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=1, 
    argv=argv@entry=0x7fffb4a989c0) at kernel/qobject.cpp:3633
#20 0x00005561bf881ad5 in BacktraceGenerator::newLine (
    this=this@entry=0x5561c02451b0, _t1=...)
    at ./obj-x86_64-linux-gnu/src/drkonqi_autogen/EWIEGA46WW/moc_backtracegenerator.cpp:201
#21 0x00005561bf83900a in BacktraceGenerator::slotReadInput (
    this=0x5561c02451b0) at ./src/backtracegenerator.cpp:128
#22 0x00007f6bf7ac0bef in QtPrivate::QSlotObjectBase::call (a=0x7fffb4a98b40, 
    r=0x5561c02451b0, this=0x5561c054e950)
    at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#23 QMetaObject::activate (sender=sender@entry=0x5561c0644610, 
    signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=6, 
    argv=argv@entry=0x7fffb4a98b40) at kernel/qobject.cpp:3754
#24 0x00007f6bf7ac11a7 in QMetaObject::activate (
    sender=sender@entry=0x5561c0644610, 
    m=m@entry=0x7f6bf7f13d60 <QProcess::staticMetaObject>, 
---Type <return> to continue, or q <return> to quit---
    local_signal_index=local_signal_index@entry=6, 
    argv=argv@entry=0x7fffb4a98b40) at kernel/qobject.cpp:3633
#25 0x00007f6bf7a1a33a in QProcess::readyReadStandardOutput (
    this=this@entry=0x5561c0644610, _t1=...) at .moc/moc_qprocess.cpp:362
#26 0x00007f6bf7a20d51 in QProcessPrivate::tryReadFromChannel (
    this=0x5561c05f8fb0, channel=0x5561c05f90d8) at io/qprocess.cpp:1070
#27 0x00007f6bf7a21220 in QProcessPrivate::_q_canReadStandardOutput (
    this=<optimized out>) at io/qprocess.cpp:1081
#28 QProcess::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, 
    _id=<optimized out>, _a=0x7fffb4a98d10) at .moc/moc_qprocess.cpp:207
#29 0x00007f6bf7ac0ad5 in QMetaObject::activate (
    sender=sender@entry=0x5561c025ed40, signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x7fffb4a98d10) at kernel/qobject.cpp:3771
#30 0x00007f6bf7ac11a7 in QMetaObject::activate (
    sender=sender@entry=0x5561c025ed40, 
    m=m@entry=0x7f6bf7f15c60 <QSocketNotifier::staticMetaObject>, 
    local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x7fffb4a98d10) at kernel/qobject.cpp:3633
#31 0x00007f6bf7acd288 in QSocketNotifier::activated (
    this=this@entry=0x5561c025ed40, _t1=<optimized out>, _t2=...)
    at .moc/moc_qsocketnotifier.cpp:136
#32 0x00007f6bf7acd642 in QSocketNotifier::event (this=0x5561c025ed40, 
---Type <return> to continue, or q <return> to quit---
    e=0x7fffb4a98f80) at kernel/qsocketnotifier.cpp:266
#33 0x00007f6bf881ee8c in QApplicationPrivate::notify_helper (
    this=this@entry=0x5561c016b5c0, receiver=receiver@entry=0x5561c025ed40, 
    e=e@entry=0x7fffb4a98f80) at kernel/qapplication.cpp:3727
#34 0x00007f6bf882645f in QApplication::notify (this=0x7fffb4a99340, 
    receiver=0x5561c025ed40, e=0x7fffb4a98f80) at kernel/qapplication.cpp:3486
#35 0x00007f6bf7a91ab8 in QCoreApplication::notifyInternal2 (
    receiver=0x5561c025ed40, event=event@entry=0x7fffb4a98f80)
    at kernel/qcoreapplication.cpp:1048
#36 0x00007f6bf7aec6dd in QCoreApplication::sendEvent (event=0x7fffb4a98f80, 
    receiver=<optimized out>)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#37 socketNotifierSourceDispatch (source=0x5561c016f770)
    at kernel/qeventdispatcher_glib.cpp:106
#38 0x00007f6bf2f53287 in g_main_context_dispatch ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f6bf2f534c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f6bf2f5354c in g_main_context_iteration ()
   from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007f6bf7aeba7f in QEventDispatcherGlib::processEvents (
    this=0x5561c01be310, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#42 0x00007f6bedafded1 in QPAEventDispatcherGlib::processEvents (
    this=0x5561c01be310, flags=...) at qeventdispatcher_glib.cpp:69
---Type <return> to continue, or q <return> to quit---
#43 0x00007f6bf7a8fdea in QEventLoop::exec (this=this@entry=0x7fffb4a991c0, 
    flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#44 0x00007f6bf7a98fa0 in QCoreApplication::exec ()
    at kernel/qcoreapplication.cpp:1336
#45 0x00005561bf82d469 in main (argc=<optimized out>, argv=<optimized out>)
    at ./src/main.cpp:173