libQt5Qml crash; JIT implicated

Operating system: Linux
                  0.0.0 Linux 4.9.11-shaper #1 SMP PREEMPT Tue Jul 26 12:00:00 UTC 1977 armv7l
CPU: arm
     ARMv1 ARM Cortex-A9 features: half,thumb,fastmult,vfpv2,edsp,thumbee,neon,vfpv3,tls
     4 CPUs

GPU: UNKNOWN

Crash reason:  SIGSEGV
Crash address: 0x663db0a0
Process uptime: not available

Thread 0 (crashed)
 0  libQt5Qml.so.5 (deleted) + 0xa0
     r0 = 0x7ece24d0    r1 = 0x56cb86b0    r2 = 0x663db0a1    r3 = 0x00000002
     r4 = 0x56cb86b0    r5 = 0x575faf50    r6 = 0x00000000    r7 = 0x7ece2448
     r8 = 0x00000000    r9 = 0x7ece24d0   r10 = 0x00000000   r12 = 0x768de13c
     fp = 0x00000000    sp = 0x7ece2448    lr = 0x767a028b    pc = 0x663db0a0
    Found by: given as instruction pointer in context
 1  libQt5Qml.so.5 (deleted) + 0x2afe
     sp = 0x7ece2468    pc = 0x691c2b00
    Found by: stack scanning
 2  libQt5Qml.so.5 (deleted) + 0x1cd35e
     sp = 0x7ece247c    pc = 0x6938d360
    Found by: stack scanning
 3  libQt5Qml.so.5.12.2!QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 520 + 0x3]
     sp = 0x7ece24b8    pc = 0x7676e785
    Found by: stack scanning
 4  libQt5Qml.so.5.12.2!QV4::FunctionPrototype::method_hasInstance(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 453 + 0x7]
     sp = 0x7ece2518    pc = 0x7676e6f3
    Found by: stack scanning
 5  libQt5Qml.so.5.12.2!QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const [qv4functionobject_p.h : 202 + 0x1]
     sp = 0x7ece2530    pc = 0x7675eca5
    Found by: stack scanning
 6  libQt5Qml.so.5.12.2!QV4::Runtime::method_callValue(QV4::ExecutionEngine*, QV4::Value const&, QV4::Value*, int) [qv4runtime.cpp : 1450 + 0x3]
     sp = 0x7ece2558    pc = 0x767d348f
    Found by: stack scanning
 7  libQt5Qml.so.5 (deleted) + 0x1cdcde
     sp = 0x7ece2580    pc = 0x6938dce0
    Found by: stack scanning
 8  libQt5Qml.so.5 (deleted) + 0x15245
     sp = 0x7ece25a0    pc = 0x663d3247
    Found by: stack scanning
 9  libQt5Qml.so.5 (deleted) + 0x1095e
     sp = 0x7ece25a4    pc = 0x691d0960
    Found by: stack scanning
10  libQt5Qml.so.5.12.2!QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) [qv4vme_moth.cpp : 434 + 0x5]
     sp = 0x7ece25c8    pc = 0x767a028b
    Found by: stack scanning
11  libQt5Qml.so.5 (deleted) + 0x390be
     sp = 0x7ece25dc    pc = 0x691f90c0
    Found by: stack scanning
12  libQt5Qml.so.5 (deleted) + 0x1095e
     sp = 0x7ece25e8    pc = 0x691d0960
    Found by: stack scanning
13  libQt5Qml.so.5 (deleted) + 0x390be
     sp = 0x7ece25f0    pc = 0x691f90c0
    Found by: stack scanning
14  libQt5Qml.so.5.12.2!QV4::Heap::InternalClass::addMember(QV4::Object*, QV4::PropertyKey, QV4::PropertyAttributes, QV4::InternalClassEntry*) [qv4internalclass.cpp : 495 + 0x3]
     sp = 0x7ece25f8    pc = 0x76760b31
    Found by: stack scanning
15  libQt5Qml.so.5 (deleted) + 0x1cd35e
     sp = 0x7ece25fc    pc = 0x6938d360
    Found by: stack scanning
16  libQt5Qml.so.5.12.2!QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 520 + 0x3]
     sp = 0x7ece2638    pc = 0x7676e785
    Found by: stack scanning
17  libQt5Qml.so.5.12.2!QV4::FunctionPrototype::method_hasInstance(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 453 + 0x7]
     sp = 0x7ece2698    pc = 0x7676e6f3
    Found by: stack scanning
18  libQt5Qml.so.5.12.2!QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const [qv4functionobject_p.h : 202 + 0x1]
     sp = 0x7ece26b0    pc = 0x7675eca5
    Found by: stack scanning
19  libQt5Qml.so.5 (deleted) + 0x32dd5e
     sp = 0x7ece26bc    pc = 0x694edd60
    Found by: stack scanning
20  libQt5Qml.so.5.12.2!QV4::Runtime::method_callValue(QV4::ExecutionEngine*, QV4::Value const&, QV4::Value*, int) [qv4runtime.cpp : 1450 + 0x3]
     sp = 0x7ece26d8    pc = 0x767d348f
    Found by: stack scanning
21  libQt5Qml.so.5 (deleted) + 0x494be
     sp = 0x7ece26f4    pc = 0x692094c0
    Found by: stack scanning
22  libQt5Qml.so.5 (deleted) + 0x1cdede
     sp = 0x7ece2700    pc = 0x6938dee0
    Found by: stack scanning
23  libQt5Qml.so.5 (deleted) + 0x2aa5
     sp = 0x7ece2720    pc = 0x663ddaa7
    Found by: stack scanning
24  libQt5Qml.so.5.12.2!QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) [qv4vme_moth.cpp : 434 + 0x5]
     sp = 0x7ece2748    pc = 0x767a028b
    Found by: stack scanning
25  libQt5Qml.so.5 (deleted) + 0x1cd35e
     sp = 0x7ece277c    pc = 0x6938d360
    Found by: stack scanning
26  libQt5Qml.so.5.12.2!QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 520 + 0x3]
     sp = 0x7ece27b8    pc = 0x7676e785
    Found by: stack scanning
27  libQt5Qml.so.5.12.2!QV4::FunctionPrototype::method_hasInstance(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 453 + 0x7]
     sp = 0x7ece2818    pc = 0x7676e6f3
    Found by: stack scanning
28  libQt5Qml.so.5.12.2!QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const [qv4functionobject_p.h : 202 + 0x1]
     sp = 0x7ece2830    pc = 0x7675eca5
    Found by: stack scanning
29  libQt5Qml.so.5 (deleted) + 0x32dc9e
     sp = 0x7ece283c    pc = 0x694edca0
    Found by: stack scanning
30  libQt5Qml.so.5.12.2!QV4::Runtime::method_callValue(QV4::ExecutionEngine*, QV4::Value const&, QV4::Value*, int) [qv4runtime.cpp : 1450 + 0x3]
     sp = 0x7ece2858    pc = 0x767d348f
    Found by: stack scanning
31  libQt5Qml.so.5 (deleted) + 0x1cdb5e
     sp = 0x7ece2880    pc = 0x6938db60
    Found by: stack scanning
32  libQt5Qml.so.5 (deleted) + 0x1bbd3
     sp = 0x7ece28a0    pc = 0x663d9bd5
    Found by: stack scanning
33  libQt5Qml.so.5.12.2!QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) [qv4vme_moth.cpp : 434 + 0x5]
     sp = 0x7ece28c8    pc = 0x767a028b
    Found by: stack scanning
34  libQt5Qml.so.5.12.2!QV4::Object::virtualGet(QV4::Managed const*, QV4::PropertyKey, QV4::Value const*, bool*) [qv4object.cpp : 307 + 0xb]
     sp = 0x7ece28e0    pc = 0x767787c3
    Found by: stack scanning
35  libQt5Qml.so.5 (deleted) + 0x15997e
     sp = 0x7ece28e4    pc = 0x69319980
    Found by: stack scanning
36  libQt5Qml.so.5 (deleted) + 0x1e58fe
     sp = 0x7ece28fc    pc = 0x693a5900
    Found by: stack scanning
37  libQt5Qml.so.5.12.2!QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 520 + 0x3]
     sp = 0x7ece2938    pc = 0x7676e785
    Found by: stack scanning
38  libQt5Qml.so.5 (deleted) + 0xe587e
     sp = 0x7ece2944    pc = 0x692a5880
    Found by: stack scanning
39  libQt5Qml.so.5.12.2!QV4::FunctionPrototype::method_hasInstance(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 453 + 0x7]
     sp = 0x7ece2998    pc = 0x7676e6f3
    Found by: stack scanning
40  libQt5Qml.so.5.12.2!QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const [qv4functionobject_p.h : 202 + 0x1]
     sp = 0x7ece29b0    pc = 0x7675eca5
    Found by: stack scanning
41  libQt5Qml.so.5.12.2!QV4::Lookup::getterProtoAccessor(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value const&) [qv4lookup.cpp : 335 + 0xd]
     sp = 0x7ece29c8    pc = 0x7675e88b
    Found by: stack scanning
42  libQt5Qml.so.5.12.2!QV4::Runtime::method_callPropertyLookup(QV4::ExecutionEngine*, QV4::Value*, unsigned int, QV4::Value*, int) [qv4runtime.cpp : 1425 + 0xb]
     sp = 0x7ece29d8    pc = 0x767d312d
    Found by: stack scanning
43  libQt5Qml.so.5 (deleted) + 0x1f191e
     sp = 0x7ece29dc    pc = 0x693b1920
    Found by: stack scanning
44  libQt5Qml.so.5 (deleted) + 0xe587e
     sp = 0x7ece29f0    pc = 0x692a5880
    Found by: stack scanning
45  libQt5Qml.so.5 (deleted) + 0x1b04f
     sp = 0x7ece2a08    pc = 0x663d9051
    Found by: stack scanning
46  libQt5Qml.so.5 (deleted) + 0x32dc7e
     sp = 0x7ece2a10    pc = 0x694edc80
    Found by: stack scanning
47  libQt5Qml.so.5 (deleted) + 0x1b00f
     sp = 0x7ece2a18    pc = 0x663d9011
    Found by: stack scanning
48  libQt5Qml.so.5 (deleted) + 0x215cbe
     sp = 0x7ece2a28    pc = 0x693d5cc0
    Found by: stack scanning
49  libQt5Qml.so.5.12.2!QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) [qv4vme_moth.cpp : 434 + 0x5]
     sp = 0x7ece2a40    pc = 0x767a028b
    Found by: stack scanning
50  libQt5Qml.so.5.12.2!QV4::HeapItem::setAllocatedSlots(unsigned int) [qv4mmdefs_p.h : 236 + 0x3]
     sp = 0x7ece2a50    pc = 0x76721833
    Found by: stack scanning
51  libQt5Qml.so.5 (deleted) + 0x32d9be
     sp = 0x7ece2a54    pc = 0x694ed9c0
    Found by: stack scanning
52  libQt5Qml.so.5 (deleted) + 0x32d99e
     sp = 0x7ece2a5c    pc = 0x694ed9a0
    Found by: stack scanning
53  libQt5Qml.so.5.12.2!QV4::BlockAllocator::allocate(unsigned int, bool) [qv4mm.cpp : 602 + 0x7]
     sp = 0x7ece2a68    pc = 0x767207ff
    Found by: stack scanning
54  libQt5Qml.so.5 (deleted) + 0x1cd1fe
     sp = 0x7ece2a74    pc = 0x6938d200
    Found by: stack scanning
55  libQt5Qml.so.5 (deleted) + 0x215cbe
     sp = 0x7ece2aa0    pc = 0x693d5cc0
    Found by: stack scanning
56  libQt5Qml.so.5.12.2!QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 520 + 0x3]
     sp = 0x7ece2ab0    pc = 0x7676e785
    Found by: stack scanning
57  libQt5Qml.so.5 (deleted) + 0x215cbe
     sp = 0x7ece2abc    pc = 0x693d5cc0
    Found by: stack scanning
58  libQt5Qml.so.5 (deleted) + 0x103fe
     sp = 0x7ece2b04    pc = 0x691d0400
    Found by: stack scanning
59  libQt5Qml.so.5.12.2!QV4::FunctionPrototype::method_hasInstance(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) [qv4functionobject.cpp : 453 + 0x7]
     sp = 0x7ece2b10    pc = 0x7676e6f3
    Found by: stack scanning
60  libQt5Qml.so.5.12.2!QV4::FunctionObject::call(QV4::Value const*, QV4::Value const*, int) const [qv4functionobject_p.h : 202 + 0x1]
     sp = 0x7ece2b28    pc = 0x7675eca5
    Found by: stack scanning
61  libQt5Qml.so.5.12.2!QV4::Lookup::getterTwoClasses(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value const&) [qv4lookup.cpp : 187 + 0x3f]
     sp = 0x7ece2b40    pc = 0x7675e7ad
    Found by: stack scanning