https://bugs.kde.org/show_bug.cgi?id=387255

            Bug ID: 387255
           Summary: Crash when trying to change name of array
           Product: kdevelop
           Version: 5.2.0
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdevelop-bugs-n...@kde.org
          Reporter: ekaza...@gmail.com
  Target Milestone: ---

Application: kdevelop (5.2.0)

Qt Version: 5.9.2
Frameworks Version: 5.40.0
Operating System: Linux 4.13.12-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
I tried to change the name of the array, which was used in my program, and when
I remove the last symbol of the name, KDE said that there is a runtime error.

The crash can be reproduced every time.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb7fe78cd80 (LWP 12418))]

Thread 15 (Thread 0x7fb7737fe700 (LWP 12508)):
#0  0x00007fb7f298b664 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb7f2963d6e in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb7fbdf8cf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb7fbbb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb78fdf5c1a in  () at
/usr/lib/qt/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#7  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fb78ce2e700 (LWP 12502)):
#0  0x00007fb7f4b6838d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb7fbbbb45c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fb7eff4942f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fb7eff4e4d9 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fb7eff4bce3 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fb78d837700 (LWP 12501)):
#0  0x00007fb7f4b6838d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb7fbbbb45c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fb7eff4942f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fb7eff4e4d9 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fb7eff4bce3 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#11 0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fb78e839700 (LWP 12499)):
[KCrash Handler]
#5  0x00007fb79b3a35b0 in  () at /usr/lib/libclang.so.5
#6  0x00007fb79b3a35fd in  () at /usr/lib/libclang.so.5
#7  0x00007fb79c428d26 in  () at /usr/lib/libclang.so.5
#8  0x00007fb79c4295d2 in  () at /usr/lib/libclang.so.5
#9  0x00007fb79c429d52 in  () at /usr/lib/libclang.so.5
#10 0x00007fb79c429db8 in  () at /usr/lib/libclang.so.5
#11 0x00007fb79c43a6eb in  () at /usr/lib/libclang.so.5
#12 0x00007fb79c43ad74 in  () at /usr/lib/libclang.so.5
#13 0x00007fb79c440d7f in  () at /usr/lib/libclang.so.5
#14 0x00007fb79c441228 in  () at /usr/lib/libclang.so.5
#15 0x00007fb79c3ef236 in  () at /usr/lib/libclang.so.5
#16 0x00007fb79c442a53 in  () at /usr/lib/libclang.so.5
#17 0x00007fb79c457fad in  () at /usr/lib/libclang.so.5
#18 0x00007fb79c400509 in  () at /usr/lib/libclang.so.5
#19 0x00007fb79b399fa2 in  () at /usr/lib/libclang.so.5
#20 0x00007fb79b2f966a in clang_getCursorDefinition () at
/usr/lib/libclang.so.5
#21 0x00007fb79b2f99fb in clang_isCursorDefinition () at /usr/lib/libclang.so.5
#22 0x00007fb79cde80c1 in  () at /usr/lib/libKDevClangPrivate.so.30
#23 0x00007fb79cdff22c in  () at /usr/lib/libKDevClangPrivate.so.30
#24 0x00007fb79b300ad9 in  () at /usr/lib/libclang.so.5
#25 0x00007fb79b302bbe in  () at /usr/lib/libclang.so.5
#26 0x00007fb79b302ce4 in  () at /usr/lib/libclang.so.5
#27 0x00007fb79b300794 in  () at /usr/lib/libclang.so.5
#28 0x00007fb79b308249 in clang_visitChildren () at /usr/lib/libclang.so.5
#29 0x00007fb79cde4cda in Builder::visit(CXTranslationUnitImpl*, void*,
QHash<void*, KDevelop::ReferencedTopDUContext> const&, bool) () at
/usr/lib/libKDevClangPrivate.so.30
#30 0x00007fb79ce0f8eb in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at /usr/lib/libKDevClangPrivate.so.30
#31 0x00007fb79ce0ef58 in ClangHelpers::buildDUChain(void*, QMultiHash<void*,
Import> const&, ParseSession const&, KDevelop::TopDUContext::Features,
QHash<void*, KDevelop::ReferencedTopDUContext>&, ClangIndex*,
std::function<bool ()> const&) () at /usr/lib/libKDevClangPrivate.so.30
#32 0x00007fb79d07325a in  () at
/usr/lib/qt/plugins/kdevplatform/30/kdevclangsupport.so
#33 0x00007fb7eff4d087 in
ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) () at /usr/lib/libKF5ThreadWeaver.so.5
#34 0x00007fb7eff4d678 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/libKF5ThreadWeaver.so.5
#35 0x00007fb7eff4c670 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/libKF5ThreadWeaver.so.5
#36 0x00007fb7eff4bda5 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#37 0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#38 0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#39 0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fb78f03a700 (LWP 12498)):
#0  0x00007fb7f4b6838d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb7fbbbb45c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fb7eff4942f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fb7eff4e4d9 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fb7eff4bce3 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#13 0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#14 0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fb78f83b700 (LWP 12497)):
#0  0x00007fb7f4b6838d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb7fbbbb45c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fb7eff4942f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fb7eff4e4d9 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#11 0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#12 0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#13 0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#14 0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#15 0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#16 0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#17 0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#18 0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#19 0x00007fb7eff4e532 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#20 0x00007fb7eff48924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#21 0x00007fb7eff4bce3 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#22 0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#23 0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#24 0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fb7ad16d700 (LWP 12435)):
#0  0x00007fb7fb4bfe79 in syscall () at /usr/lib/libc.so.6
#1  0x00007fb7fbbb1656 in QBasicMutex::lockInternal() () at
/usr/lib/libQt5Core.so.5
#2  0x00007fb79cdb3c72 in
ClangCodeCompletionContext::ClangCodeCompletionContext(KDevelop::DUChainPointer<KDevelop::DUContext>
const&, QExplicitlySharedDataPointer<ParseSessionData> const&, QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&) () at
/usr/lib/libKDevClangPrivate.so.30
#3  0x00007fb79cdc16ab in  () at /usr/lib/libKDevClangPrivate.so.30
#4  0x00007fb7fbdce662 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb7fcabbf2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#6  0x00007fb7fcac3a06 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#7  0x00007fb7fbd9e060 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#8  0x00007fb7fbda08b6 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#9  0x00007fb7fbdf96e4 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb7f2962270 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#11 0x00007fb7f2963f69 in  () at /usr/lib/libglib-2.0.so.0
#12 0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#13 0x00007fb7fbdf8cd1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#14 0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#15 0x00007fb7fbbb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#16 0x00007fb7f96c2252 in  () at /usr/lib/libKDevPlatformLanguage.so.52
#17 0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#18 0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#19 0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fb7ac96c700 (LWP 12433)):
#0  0x00007fb7f298b664 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fb7f2963de8 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb7fbdf8cf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb7fbbb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fb7ae21e700 (LWP 12425)):
#0  0x00007fb7fb4baf7b in poll () at /usr/lib/libc.so.6
#1  0x00007fb7f2963ed3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb7fbdf8cf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb7fbbb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fb7b0172700 (LWP 12424)):
#0  0x00007fb7fb4baf7b in poll () at /usr/lib/libc.so.6
#1  0x00007fb7f2963ed3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb7fbdf8cf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb7fbbb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb7f0b81c09 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb7b292f700 (LWP 12422)):
#0  0x00007fb7f4b6838d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb7fb83a48d in __gthread_cond_wait (__mutex=<optimized out>,
__cond=<optimized out>) at
/build/gcc-multilib/src/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/include/x86_64-pc-linux-gnu/bits/gthr-default.h:864
#2  0x00007fb7fb83a48d in
std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized
out>, __lock=...) at
/build/gcc-multilib/src/gcc/libstdc++-v3/src/c++11/condition_variable.cc:53
#3  0x00007fb7b750f869 in  () at /usr/lib/libQt5WebKit.so.5
#4  0x00007fb7b750f9b9 in  () at /usr/lib/libQt5WebKit.so.5
#5  0x00007fb7fb840a6f in std::execute_native_thread_routine(void*)
(__p=0x55e74b546ad0) at
/build/gcc-multilib/src/gcc/libstdc++-v3/src/c++11/thread.cc:83
#6  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb7be96f700 (LWP 12421)):
#0  0x00007fb7fb4baf7b in poll () at /usr/lib/libc.so.6
#1  0x00007fb7f2963ed3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb7fbdf8cf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb7fbbb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb7f95ab8b1 in  () at /usr/lib/libKDevPlatformLanguage.so.52
#7  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb7c6d30700 (LWP 12420)):
#0  0x00007fb7fb4baf7b in poll () at /usr/lib/libc.so.6
#1  0x00007fb7f2963ed3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb7fbdf8cf4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb7fbbb527e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb7fd46d376 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb7d049b700 (LWP 12419)):
#0  0x00007fb7fb4baf7b in poll () at /usr/lib/libc.so.6
#1  0x00007fb7e72a78e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fb7e72a9679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fb7d27ae85a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fb7fbbb9fcb in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb7f4b6208a in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb7fb4c547f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb7fe78cd80 (LWP 12418)):
#0  0x00007fb7f4b6838d in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb7e72a7b57 in  () at /usr/lib/libxcb.so.1
#2  0x00007fb7e72a939f in  () at /usr/lib/libxcb.so.1
#3  0x00007fb7e72a94b2 in xcb_wait_for_reply () at /usr/lib/libxcb.so.1
#4  0x00007fb7d27ad87c in QXcbConnection::sync() () at
/usr/lib/libQt5XcbQpa.so.5
#5  0x00007fb7d27cd0a4 in  () at /usr/lib/libQt5XcbQpa.so.5
#6  0x00007fb7d27cd19c in  () at /usr/lib/libQt5XcbQpa.so.5
#7  0x00007fb7fc4a337c in QBackingStore::beginPaint(QRegion const&) () at
/usr/lib/libQt5Gui.so.5
#8  0x00007fb7fcacb73b in  () at /usr/lib/libQt5Widgets.so.5
#9  0x00007fb7fcacbbd5 in  () at /usr/lib/libQt5Widgets.so.5
#10 0x00007fb7fcae3702 in QWidgetPrivate::syncBackingStore() () at
/usr/lib/libQt5Widgets.so.5
#11 0x00007fb7fcafbb89 in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#12 0x00007fb7fcc14264 in QMainWindow::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#13 0x00007fb7f7c433bb in KMainWindow::event(QEvent*) () at
/usr/lib/libKF5XmlGui.so.5
#14 0x00007fb7f7c94ca6 in KXmlGuiWindow::event(QEvent*) () at
/usr/lib/libKF5XmlGui.so.5
#15 0x00007fb7fcabbf2c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#16 0x00007fb7fcac3a06 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#17 0x00007fb7fbd9e060 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#18 0x00007fb7fbda08b6 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#19 0x00007fb7fbdf96e4 in  () at /usr/lib/libQt5Core.so.5
#20 0x00007fb7f2962270 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#21 0x00007fb7f2963f69 in  () at /usr/lib/libglib-2.0.so.0
#22 0x00007fb7f2963fae in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#23 0x00007fb7fbdf8cd1 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#24 0x00007fb7fbd9c48b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#25 0x00007fb7fbda54d8 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#26 0x000055e7488e9946 in  ()
#27 0x00007fb7fb3eff6a in __libc_start_main () at /usr/lib/libc.so.6
#28 0x000055e7488e9efa in _start ()

Reported using DrKonqi

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