SIGSEGV (TXS-Version 4.8.6alpha1-1-g3c26076af R )
[bt] texstudio(_ZN12SimulatedCPU13set_from_realEv+0x41) [0x8cb023]
[bt] texstudio(_Z15print_backtraceRK7QString+0x33) [0x8ca6f2]
[bt] texstudio(_ZN9Texstudio16recoverFromCrashEv+0x3f5) [0x78d8d9]
[bt] texstudio(_Z7recoverv+0x9) [0x78d4e1]
[bt] texstudio(_ZN10QAtomicOpsIiE11loadRelaxedIiEET_RKSt6atomicIS2_E+0x5d) [0x44f730]
[bt] texstudio(_ZNK19QBasicAtomicIntegerIiE11loadRelaxedEv+0x18) [0x44b3ee]
[bt] texstudio(_ZN9QtPrivate8RefCount3refEv+0x18) [0x444cca]
[bt] texstudio(_ZN7QStringC2ERKS_+0x2d) [0x444fc7]
[bt] texstudio(_ZplRK7QStringPKc+0x28) [0x46bfe3]
[bt] texstudio(_ZN7Parsing23latexDetermineContexts2EP19QDocumentLineHandleR6QStackI5TokenERS2_I18CommandDescriptionE14QSharedPointerI11LatexParserE+0x2d10) [0x8d5d01]
[bt] texstudio(_ZN13LatexDocument8lexLinesERiS0_b+0x476) [0x5d0782]
[bt] texstudio(_ZN13LatexDocument14patchStructureEiib+0x22c) [0x5daa9e]
[bt] texstudio() [0x419d7e]
[bt] /lib64/libQt5Core.so.5(+0x250e5a) [0x7f0068450e5a]
[bt] texstudio(_ZN9QDocument14contentsChangeEii+0x5e) [0x428e82]
[bt] texstudio(_ZN16QDocumentPrivate18emitContentsChangeEii+0x205) [0x86e979]
[bt] texstudio(_ZN22QDocumentInsertCommand4redoEv+0x2d5) [0x8851f3]
[bt] /lib64/libQt5Widgets.so.5(_ZN10QUndoStack4pushEP12QUndoCommand+0x47) [0x7f0069413e37]
[bt] texstudio(_ZN16QDocumentPrivate7executeEP16QDocumentCommand+0xd2) [0x86687e]
[bt] texstudio(_ZN9QDocument7executeEP16QDocumentCommand+0x5e) [0x851062]
[bt] texstudio(_ZN21QDocumentCursorHandle7executeEP16QDocumentCommand+0x115) [0x862be1]
[bt] texstudio(_ZN21QDocumentCursorHandle10insertTextERK7QStringb+0x14c) [0x861d54]
[bt] texstudio(_ZN15QDocumentCursor10insertTextERK7QStringb+0x3d) [0x88a6db]
[bt] texstudio(_ZN7QEditor10insertTextER15QDocumentCursorRK7QString+0xbff) [0x829aab]
[bt] texstudio(_ZN7QEditor20processEditOperationER15QDocumentCursorPK9QKeyEventNS_13EditOperationE+0x4b5) [0x8286e9]
[bt] texstudio(_ZN7QEditor13keyPressEventEP9QKeyEvent+0x125f) [0x821321]
[bt] /lib64/libQt5Widgets.so.5(_ZN7QWidget5eventEP6QEvent+0xfd1) [0x7f00690862e1]
[bt] /lib64/libQt5Widgets.so.5(_ZN6QFrame5eventEP6QEvent+0x27) [0x7f00691393a7]
[bt] texstudio(_ZN7QEditor5eventEP6QEvent+0x11f) [0x81f1fd]
[bt] /lib64/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x85) [0x7f0069040c35]
[bt] /lib64/libQt5Widgets.so.5(_ZN12QApplication6notifyEP7QObjectP6QEvent+0xcea) [0x7f0069048b6a]
[bt] /lib64/libQt5Core.so.5(_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent+0x118) [0x7f006841bf78]
[bt] /lib64/libQt5Widgets.so.5(+0xa36aa) [0x7f00690a36aa]
[bt] /lib64/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x85) [0x7f0069040c35]
[bt] /lib64/libQt5Core.so.5(_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent+0x118) [0x7f006841bf78]
[bt] /lib64/libQt5Gui.so.5(_ZN22QGuiApplicationPrivate15processKeyEventEPN29QWindowSystemInterfacePrivate8KeyEventE+0xf3) [0x7f006886a363]
[bt] /usr/lib64/qt5/plugins/platforminputcontexts/libibusplatforminputcontextplugin.so(+0x5289) [0x7f00632e9289]
[bt] /lib64/libQt5Core.so.5(+0x250d1e) [0x7f0068450d1e]
[bt] /lib64/libQt5DBus.so.5(_ZN23QDBusPendingCallWatcher8finishedEPS_+0x41) [0x7f00699cf3c1]
[bt] /lib64/libQt5Core.so.5(_ZN7QObject5eventEP6QEvent+0x303) [0x7f0068448b63]
[bt] /lib64/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x85) [0x7f0069040c35]
[bt] /lib64/libQt5Core.so.5(_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent+0x118) [0x7f006841bf78]
[bt] /lib64/libQt5Core.so.5(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x18c) [0x7f006841f51c]
[bt] /lib64/libQt5Core.so.5(+0x270eff) [0x7f0068470eff]
[bt] /lib64/libglib-2.0.so.0(+0x4028c) [0x7f0066cfc28c]
[bt] /lib64/libglib-2.0.so.0(+0xa07b8) [0x7f0066d5c7b8]
[bt] /lib64/libglib-2.0.so.0(g_main_context_iteration+0x33) [0x7f0066cfd783]
[bt] /lib64/libQt5Core.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x6d) [0x7f00684709ed]