[REG 5.5->5.6] Canvas crashes in QV4::Object::copyArrayData in Qt 5.6

0 __memcpy_sse2_unaligned 0x7ffff5487d9e
1 QV4::Object::copyArrayData qv4object.cpp 1110 0x7ffff6d6726c
2 QV4::ArrayPrototype::method_concat qv4arrayobject.cpp 148 0x7ffff6d3a734
3 QV4::BuiltinFunction::call qv4functionobject.cpp 633 0x7ffff6d50f57
4 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
5 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
6 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
7 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
8 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
9 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
10 QV4::Runtime::callActivationProperty qv4runtime.cpp 948 0x7ffff6dd8808
11 QV4::Moth::VME::run qv4vme_moth.cpp 626 0x7ffff6dc307d
12 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
13 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
14 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
15 QV4::Runtime::callActivationProperty qv4runtime.cpp 948 0x7ffff6dd8808
16 QV4::Moth::VME::run qv4vme_moth.cpp 626 0x7ffff6dc307d
17 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
18 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
19 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
20 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
21 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
22 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
23 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
24 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
25 QV4::FunctionPrototype::method_apply qv4functionobject.cpp 373 0x7ffff6d4f44d
26 QV4::BuiltinFunction::call qv4functionobject.cpp 633 0x7ffff6d50f57
27 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
28 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
29 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
30 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
31 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
32 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
33 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
34 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
35 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
36 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
37 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
38 QV4::FunctionPrototype::method_apply qv4functionobject.cpp 373 0x7ffff6d4f44d
39 QV4::BuiltinFunction::call qv4functionobject.cpp 633 0x7ffff6d50f57
40 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
41 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
42 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
43 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
44 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
45 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
46 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
47 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
48 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
49 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
50 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
51 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
52 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
53 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
54 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
55 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
56 QV4::FunctionPrototype::method_call qv4functionobject.cpp 390 0x7ffff6d4f5ef
57 QV4::BuiltinFunction::call qv4functionobject.cpp 633 0x7ffff6d50f57
58 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
59 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
60 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
61 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
62 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
63 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
64 QV4::FunctionPrototype::method_apply qv4functionobject.cpp 373 0x7ffff6d4f44d
65 QV4::BuiltinFunction::call qv4functionobject.cpp 633 0x7ffff6d50f57
66 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
67 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
68 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
69 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
70 QV4::ScriptFunction::construct qv4functionobject.cpp 439 0x7ffff6d4fae9
71 QV4::Object::construct qv4object_p.h 322 0x7ffff6c8fd8e
72 QV4::Runtime::constructActivationProperty qv4runtime.cpp 1065 0x7ffff6dd966c
73 QV4::Moth::VME::run qv4vme_moth.cpp 760 0x7ffff6dc4557
74 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
75 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
76 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
77 QV4::Runtime::callProperty qv4runtime.cpp 999 0x7ffff6dd90e3
78 QV4::Moth::VME::run qv4vme_moth.cpp 579 0x7ffff6dc28eb
79 QV4::Moth::VME::exec qv4vme_moth.cpp 960 0x7ffff6dc63ec
80 QV4::ScriptFunction::call qv4functionobject.cpp 466 0x7ffff6d4fdfd
81 QV4::Object::call qv4object_p.h 324 0x7ffff6c8fdc0
82 QQmlJavaScriptExpression::evaluate qqmljavascriptexpression.cpp 189 0x7ffff6e8d112
83 QQmlBoundSignalExpression::evaluate qqmlboundsignal.cpp 237 0x7ffff6e2013c
84 QQmlBoundSignal_callback qqmlboundsignal.cpp 332 0x7ffff6e20585
85 QQmlNotifier::emitNotify qqmlnotifier.cpp 94 0x7ffff6e6bb85
86 QQmlData::signalEmitted qqmlengine.cpp 772 0x7ffff6df6e75
87 QMetaObject::activate qobject.cpp 3616 0x7ffff680ead0
88 QMetaObject::activate qobject.cpp 3595 0x7ffff680e8ce
89 QQuickCanvasItem::paint moc_qquickcanvasitem_p.cpp 435 0x7ffff7c3e8bb
90 QQuickCanvasItem::updatePolish qquickcanvasitem.cpp 704 0x7ffff7bb437e
91 QQuickWindowPrivate::polishItems qquickwindow.cpp 263 0x7ffff7a78183
92 QSGGuiThreadRenderLoop::renderWindow qsgrenderloop.cpp 379 0x7ffff7a3c5b8
93 QSGGuiThreadRenderLoop::exposureChanged qsgrenderloop.cpp 438 0x7ffff7a3caf0
94 QQuickWindow::exposeEvent qquickwindow.cpp 206 0x7ffff7a77ee4
95 QWindow::event qwindow.cpp 2065 0x7ffff722fa97
96 QQuickWindow::event qquickwindow.cpp 1416 0x7ffff7a7cd5d
97 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 1136 0x7ffff67ce964
98 doNotify qcoreapplication.cpp 1077 0x7ffff67ce5e7
99 QCoreApplication::notify qcoreapplication.cpp 1063 0x7ffff67ce55a
100 QGuiApplication::notify qguiapplication.cpp 1570 0x7ffff721ea2c
101 QCoreApplication::notifyInternal2 qcoreapplication.cpp 1002 0x7ffff67ce4ea
102 QCoreApplication::sendSpontaneousEvent qcoreapplication.h 230 0x7ffff72263da
103 QGuiApplicationPrivate::processExposeEvent qguiapplication.cpp 2676 0x7ffff72232bc
104 QGuiApplicationPrivate::processWindowSystemEvent qguiapplication.cpp 1677 0x7ffff721ecff
105 QWindowSystemInterface::sendWindowSystemEvents qwindowsysteminterface.cpp 636 0x7ffff7203490
106 userEventSourceDispatch qeventdispatcher_glib.cpp 70 0x7fffe8b7b5e6
107 g_main_context_dispatch 0x7ffff3a63017
108 g_main_context_iterate.isra 0x7ffff3a63248
109 g_main_context_iteration 0x7ffff3a632ec
110 QEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 417 0x7ffff6847823
111 QPAEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 115 0x7fffe8b7b816
112 QEventLoop::processEvents qeventloop.cpp 128 0x7ffff67cad8e
113 QEventLoop::exec qeventloop.cpp 204 0x7ffff67cb08a
114 QCoreApplication::exec qcoreapplication.cpp 1272 0x7ffff67cec34
115 QGuiApplication::exec qguiapplication.cpp 1561 0x7ffff721e9dc
116 main main.cpp 12 0x400fa0