Crash on OSX Mavericks with QTimeZone constructed in slot

On OSX 10.9.1 (not tested with <= 10.8), creating an instance of QTimeZone (stack or heap) creates a crash if created in a lambda or a slot. See sample code in attachment to reproduce.

Note that this does not occur on Linux or Windows.

–

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libobjc.A.dylib 0x00007fff8f1c20e6 objc_release + 22
1 libobjc.A.dylib 0x00007fff8f1c165a (anonymous namespace)::AutoreleasePoolPage::pop(void*) + 502
2 com.apple.CoreFoundation 0x00007fff8ad75d72 _CFAutoreleasePoolPop + 50
3 com.apple.Foundation 0x00007fff8ec8cda7 -[NSAutoreleasePool drain] + 147
4 com.apple.AppKit 0x00007fff96866a78 -[NSApplication run] + 725
5 libqcocoa.dylib 0x000000010620a2a7 QCocoaEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 2391
6 QtCore 0x0000000103dd105d QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 397
7 QtCore 0x0000000103dd4162 QCoreApplication::exec() + 354
8 @BUNDLEIDENTIFIER@ 0x00000001030d0b8f main + 255
9 @BUNDLEIDENTIFIER@ 0x00000001030d0a84 start + 52