Crash when switching session

Performing @selector(itemFired:) from sender NSMenuItem 0x7fcd99574690

Thread 0:: Dispatch queue: com.apple.main-thread
0   com.apple.CoreFoundation      	0x00007fff920689bf CFRelease + 447
1   com.apple.CoreText            	0x00007fff90e886d9 TRun::~TRun() + 101
2   com.apple.CoreFoundation      	0x00007fff92068a0e CFRelease + 526
3   com.apple.CoreFoundation      	0x00007fff9208973d -[__NSArrayI dealloc] + 125
4   libobjc.A.dylib               	0x00007fff96aa568c objc_object::sidetable_release(bool) + 236
5   com.apple.CoreText            	0x00007fff90e84bd5 TLine::~TLine() + 279
6   com.apple.CoreFoundation      	0x00007fff92068a0e CFRelease + 526
7   org.qt-project.QtGui          	0x0000000105a09892 0x105653000 + 3893394
8   org.qt-project.QtGui          	0x00000001059d8301 0x105653000 + 3691265
9   org.qt-project.QtGui          	0x00000001059d7742 0x105653000 + 3688258
10  org.qt-project.QtGui          	0x000000010574d495 QTextEngine::shapeTextWithHarfbuzzNG(QScriptItem const&, unsigned short const*, int, QFontEngine*, QVector<unsigned int> const&, bool) const + 549
11  org.qt-project.QtGui          	0x000000010574c368 QTextEngine::shapeText(int) const + 2392
12  org.qt-project.QtGui          	0x000000010574b792 QTextEngine::shape(int) const + 386
13  org.qt-project.QtGui          	0x000000010574a87f QTextEngine::shapeLine(QScriptLine const&) + 319
14  org.qt-project.QtGui          	0x0000000105764d01 QTextLine::cursorToX(int*, QTextLine::Edge) const + 529
15  org.qt-project.QtGui          	0x00000001057aa2f4 QTextCursorPrivate::setX() + 244
16  org.qt-project.QtGui          	0x00000001057abdbd QTextCursorPrivate::movePosition(QTextCursor::MoveOperation, QTextCursor::MoveMode) + 3773
17  org.qt-project.QtGui          	0x00000001057ae5c8 QTextCursor::movePosition(QTextCursor::MoveOperation, QTextCursor::MoveMode, int) + 920
18  libCore.dylib                 	0x000000010ccbd4ac Core::OutputWindow::appendText(QString const&, QTextCharFormat const&) + 140
19  libCore.dylib                 	0x000000010ccbb81e Core::Internal::MessageOutputWindow::append(QString const&) + 46
20  libCore.dylib                 	0x000000010ccbb1aa Core::MessageManager::write(QString const&, QFlags<Core::MessageManager::PrintToOutputPaneFlag>) + 186
21  org.qt-project.QtCore         	0x0000000105e0f5f3 QObject::event(QEvent*) + 755
22  org.qt-project.QtWidgets      	0x000000010503cdbb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
23  org.qt-project.QtWidgets      	0x0000000105040110 QApplication::notify(QObject*, QEvent*) + 8192
24  org.qt-project.QtCore         	0x0000000105de4cbb QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 971
25  libqcocoa.dylib               	0x0000000108e1e1be 0x108dfd000 + 135614
26  libqcocoa.dylib               	0x0000000108e1d6ff 0x108dfd000 + 132863
27  libProjectExplorer.dylib      	0x000000010d493e26 ProjectExplorer::ProjectExplorerPlugin::openProjects(QStringList const&, QString*) + 3478
28  libProjectExplorer.dylib      	0x000000010d53bb65 ProjectExplorer::SessionManagerPrivate::restoreProjects(QStringList const&) + 229
29  libProjectExplorer.dylib      	0x000000010d539a8e ProjectExplorer::SessionManager::loadSession(QString const&) + 1822
30  libProjectExplorer.dylib      	0x000000010d4a24a7 ProjectExplorer::ProjectExplorerPlugin::setSession(QAction*) + 103
31  libProjectExplorer.dylib      	0x000000010d63c02a ProjectExplorer::ProjectExplorerPlugin::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) + 1258
32  org.qt-project.QtCore         	0x0000000105e16a0b QMetaObject::activate(QObject*, int, int, void**) + 2987
33  org.qt-project.QtWidgets      	0x0000000105036081 0x10500b000 + 176257
34  org.qt-project.QtCore         	0x0000000105e16a0b QMetaObject::activate(QObject*, int, int, void**) + 2987
35  org.qt-project.QtWidgets      	0x0000000105033eff QAction::activate(QAction::ActionEvent) + 271
36  org.qt-project.QtWidgets      	0x0000000105034364 0x10500b000 + 168804
37  org.qt-project.QtCore         	0x0000000105e16a0b QMetaObject::activate(QObject*, int, int, void**) + 2987
38  libqcocoa.dylib               	0x0000000108e21430 0x108dfd000 + 148528
39  libsystem_trace.dylib         	0x00007fff9464ecd7 _os_activity_initiate + 75
40  com.apple.AppKit              	0x00007fff92cea5e7 -[NSApplication sendAction:to:from:] + 410
41  com.apple.AppKit              	0x00007fff92d0472a -[NSMenuItem _corePerformAction] + 382
42  com.apple.AppKit              	0x00007fff92d04447 -[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] + 114
43  libsystem_trace.dylib         	0x00007fff9464ecd7 _os_activity_initiate + 75
44  com.apple.AppKit              	0x00007fff92d51ce6 -[NSMenu performActionForItemAtIndex:] + 131
45  com.apple.AppKit              	0x00007fff92d51c56 -[NSMenu _internalPerformActionForItemAtIndex:] + 35
46  com.apple.AppKit              	0x00007fff92d51aa2 -[NSCarbonMenuImpl _carbonCommandProcessEvent:handlerCallRef:] + 107
47  com.apple.AppKit              	0x00007fff92cfa03b NSSLMMenuEventHandler + 724
48  com.apple.HIToolbox           	0x00007fff9624e32c DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*, HandlerCallRec*) + 1260
49  com.apple.HIToolbox           	0x00007fff9624d76e SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*, HandlerCallRec*) + 386
50  com.apple.HIToolbox           	0x00007fff96262286 SendEventToEventTarget + 40
51  com.apple.HIToolbox           	0x00007fff96297795 SendHICommandEvent(unsigned int, HICommand const*, unsigned int, unsigned int, unsigned char, void const*, OpaqueEventTargetRef*, OpaqueEventTargetRef*, OpaqueEventRef**) + 428
52  com.apple.HIToolbox           	0x00007fff962cae8d SendMenuCommandWithContextAndModifiers + 59
53  com.apple.HIToolbox           	0x00007fff962cae34 SendMenuItemSelectedEvent + 188
54  com.apple.HIToolbox           	0x00007fff962cad06 FinishMenuSelection(SelectionData*, MenuResult*, MenuResult*) + 96
55  com.apple.HIToolbox           	0x00007fff962d28b1 MenuSelectCore(MenuData*, Point, double, unsigned int, OpaqueMenuRef**, unsigned short*) + 702
56  com.apple.HIToolbox           	0x00007fff962d249e _HandleMenuSelection2 + 446
57  com.apple.AppKit              	0x00007fff92c7fe6e _NSHandleCarbonMenuEvent + 277
58  com.apple.AppKit              	0x00007fff92b1bb90 _DPSNextEvent + 1843
59  com.apple.AppKit              	0x00007fff92b1afd0 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 194
60  com.apple.AppKit              	0x00007fff92b0ef73 -[NSApplication run] + 594
61  libqcocoa.dylib               	0x0000000108e1d92d 0x108dfd000 + 133421
62  org.qt-project.QtCore         	0x0000000105de15dd QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 381
63  org.qt-project.QtCore         	0x0000000105de45ba QCoreApplication::exec() + 346
64  org.qt-project.qtcreator      	0x0000000104dfd6b7 main + 22103
65  org.qt-project.qtcreator      	0x0000000104df53a4 start + 52