QupZilla crashed after resume (QupZilla 1.8.9, QT 5.6.0, Linux)

[clvgt12]

I resumed my i686 laptop from a suspend state, and discovered QupZilla crashed. Here is the backtrace:

Time: Fri Apr 15 07:09:34 2016
Qt version: 5.6.0 (compiled with 5.6.0)
QupZilla version: 1.8.9
WebKit version: 538.1

============== BACKTRACE ==============
#0: qupzilla(_Z23qupzilla_signal_handleri+0x176) [0x804b286]
#1: [0x95b400]
#2: /usr/lib/libQt5WebKit.so.5() [0x43ae4067]
#3: /usr/lib/libQt5WebKit.so.5() [0x43ae4e1d]
#4: /usr/lib/libQt5Core.so.5() [0x591f149]
#5: /usr/lib/libQt5Network.so.5() [0x62e7999]
#6: /usr/lib/libQt5Network.so.5() [0x6380022]
#7: /usr/lib/libQt5Core.so.5(_ZN14QMetaCallEvent13placeMetaCallEP7QObject+0x97) [0x5a1c257]
#8: /usr/lib/libQt5Core.so.5(_ZN7QObject5eventEP6QEvent+0x26d) [0x5a2091d]
#9: /usr/lib/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0xa4) [0x69c9564]
#10: /usr/lib/libQt5Widgets.so.5(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x120) [0x69cf9c0]
#11: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent+0x90) [0x59f0580]
#12: /usr/lib/libQt5Core.so.5(_ZN23QCoreApplicationPrivate16sendPostedEventsEP7QObjectiP11QThreadData+0x24a) [0x59f379a]
#13: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication16sendPostedEventsEP7QObjecti+0x35) [0x59f3e15]
#14: /usr/lib/libQt5Core.so.5() [0x5a48aa5]
#15: /lib/libglib-2.0.so.0(g_main_context_dispatch+0x1d5) [0x475b6d5]
#16: /lib/libglib-2.0.so.0(+0x514d68) [0x475fd68]
#17: /lib/libglib-2.0.so.0(g_main_context_iteration+0x69) [0x475ff49]
#18: /usr/lib/libQt5Core.so.5(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x64) [0x5a485d4]
#19: /usr/lib/libQt5XcbQpa.so.5(+0xad978) [0x87e7978]
#20: /usr/lib/libQt5Core.so.5(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x2a) [0x59eea6a]
#21: /usr/lib/libQt5Core.so.5(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0x167) [0x59ef137]
#22: /usr/lib/libQt5Core.so.5(_ZN16QCoreApplication4execEv+0xb8) [0x59f3ed8]
#23: /usr/lib/libQt5Gui.so.5(_ZN15QGuiApplication4execEv+0x28) [0x5d71ae8]
#24: /usr/lib/libQt5Widgets.so.5(_ZN12QApplication4execEv+0x18) [0x69c85a8]
#25: qupzilla() [0x804ac7f]
#26: /lib/libc.so.6(__libc_start_main+0xe6) [0xc08d36]
#27: qupzilla() [0x8049e31]