[Reg 4.7 -> 4.8] Qt Creator crashes when debugging with expression evaluator present

Thread 1 "qtcreator" received signal SIGSEGV, Segmentation fault.
std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=0x6e006100530024) at /usr/include/c++/8/bits/atomic_base.h:396
396             return __atomic_load_n(&_M_i, __m);
(gdb) bt
#0  std::__atomic_base<int>::load (__m=std::memory_order_relaxed, this=0x6e006100530024) at /usr/include/c++/8/bits/atomic_base.h:396
#1  QAtomicOps<int>::load<int> (_q_value=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:227
#2  0x00007fffdd9417a4 in QBasicAtomicInteger<int>::load (this=0x6e006100530024) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:103
#3  0x00007fffdd944d41 in QWeakPointer<QObject>::data (this=0x5555588c3e80) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:569
#4  0x00007fffdd9529fa in QPointer<QWidget>::data (this=0x5555588c3e80) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:86
#5  0x00007fffdd97db00 in QPointer<QWidget>::operator-> (this=0x5555588c3e80) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qpointer.h:88
#6  0x00007fffdd96c843 in Debugger::Internal::DebuggerEngine::updateLocalsWindow (this=0x55555abf7400, showReturn=false) at debuggerengine.cpp:841
#7  0x00007fffdda39460 in Debugger::Internal::WatchHandler::updateLocalsWindow (this=0x55555b279520) at watchhandler.cpp:2388
#8  0x00007fffdda37377 in Debugger::Internal::WatchHandler::watchExpression (this=0x55555b279520, exp=..., name=..., temporary=false) at watchhandler.cpp:2202
#9  0x00007fffdda39657 in Debugger::Internal::WatchHandler::loadSessionDataForEngine (this=0x55555b279520) at watchhandler.cpp:2413
#10 0x00007fffdda35f4c in Debugger::Internal::WatchHandler::WatchHandler (this=0x55555b279520, engine=0x55555abf7400) at watchhandler.cpp:1977
#11 0x00007fffdd97a1a2 in Debugger::Internal::DebuggerEnginePrivate::DebuggerEnginePrivate (this=0x55555b2791c0, engine=0x55555abf7400) at debuggerengine.cpp:281
#12 0x00007fffdd96c26c in Debugger::Internal::DebuggerEngine::DebuggerEngine (this=0x55555abf7400) at debuggerengine.cpp:786
#13 0x00007fffddad7c74 in Debugger::Internal::CppDebuggerEngine::CppDebuggerEngine (this=0x55555abf7400) at ../../plugins/debugger/debuggerengine.h:532
#14 0x00007fffddaa0c48 in Debugger::Internal::GdbEngine::GdbEngine (this=0x55555abf7400) at gdb/gdbengine.cpp:140
#15 0x00007fffddac7c10 in Debugger::Internal::createGdbEngine () at gdb/gdbengine.cpp:4848
#16 0x00007fffdd9d960f in Debugger::DebuggerRunTool::start (this=0x555558a39050) at debuggerruncontrol.cpp:578
#17 0x00007fffdee585fe in ProjectExplorer::RunWorker::initiateStart (this=0x555558a39050) at runconfiguration.cpp:1872
#18 0x00007fffdee6aaee in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (ProjectExplorer::RunWorker::*)()>::call(void (ProjectExplorer::RunWorker::*)(), ProjectExplorer::RunWorker*, void**) (
    f=(void (ProjectExplorer::RunWorker::*)(ProjectExplorer::RunWorker * const)) 0x7fffdee5853e <ProjectExplorer::RunWorker::initiateStart()>, o=0x555558a39050, arg=0x7fffffffcfb0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:134
#19 0x00007fffdee69e18 in QtPrivate::FunctionPointer<void (ProjectExplorer::RunWorker::*)()>::call<QtPrivate::List<>, void>(void (ProjectExplorer::RunWorker::*)(), ProjectExplorer::RunWorker*, void**) (
    f=(void (ProjectExplorer::RunWorker::*)(ProjectExplorer::RunWorker * const)) 0x7fffdee5853e <ProjectExplorer::RunWorker::initiateStart()>, o=0x555558a39050, arg=0x7fffffffcfb0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:167
#20 0x00007fffdee68706 in QtPrivate::QSlotObject<void (ProjectExplorer::RunWorker::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) (which=1, this_=0x555558751d20, r=0x555558a39050, a=0x7fffffffcfb0, ret=0x0)
    at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:396
#21 0x00007ffff6c81586 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007ffff6c7602b in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007ffff77564a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007ffff775dae0 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007ffff6c4c579 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007ffff6c9d638 in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007ffff6c9de94 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007ffff4d33287 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007ffff4d334c0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007ffff4d3354c in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ffff6c9e223 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007ffff2082e51 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#33 0x00007ffff6c4b24b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007ffff6c533c2 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x0000555555565ee6 in main (argc=1, argv=0x7fffffffdeb8) at main.cpp:627