#0  QTJSC::Structure::materializePropertyMap (this=0x7f895407c520) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/Structure.cpp:258
        structures = {<QTWTF::FastAllocBase> = {<No data fields>}, m_size = 1, m_buffer = {<QTWTF::VectorBufferBase<QTJSC::Structure*>> = {<WTFNoncopyable::Noncopyable> = {<QTWTF::FastAllocBase> = {<No data fields>}, <No data fields>}, m_buffer = 0x7fff2af4bb48, m_capacity = 8}, static m_inlineBufferSize = 64, m_inlineBuffer = {buffer = " \305\aT\211\177\000\000\200J\341Q\211\177\000\000\260\276\364*\377\177\000\000\000\000\000\000\000\000\377\377\000\321-R\211\177\000\000\003\000\000\000\211\177\000\000@}\341Q\211\177\000\000\001\000\000\000\377\177\000"}}}
        structure = 0x4
#1  0x00007f896271a267 in materializePropertyMapIfNecessary (args=0x7fff2af4bc60) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/Structure.h:172
No locals.
#2  get (args=0x7fff2af4bc60) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/Structure.h:230
        rep = <value optimized out>
        i = <value optimized out>
        entryIndex = <value optimized out>
        k = <value optimized out>
#3  getDirectLocation (args=0x7fff2af4bc60) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:149
        offset = 0
#4  inlineGetOwnPropertySlot (args=0x7fff2af4bc60) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:353
        location = 0x0
#5  fastGetOwnPropertySlot (args=0x7fff2af4bc60) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:381
No locals.
#6  getPropertySlot (args=0x7fff2af4bc60) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:391
        prototype = <value optimized out>
        object = 0x7f895407c580
#7  QTJSC::cti_op_resolve_skip (args=0x7fff2af4bc60) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITStubs.cpp:2298
        o = <value optimized out>
        slot = {m_getValue = 0, m_slotBase = {m_ptr = 0x7f895407c580}, m_data = {getterFunc = 0x7fff2af4bc08, valueSlot = 0x7fff2af4bc08, registerSlot = 0x7fff2af4bc08, index = 720681992}, m_value = {m_ptr = 0x0}, m_offset = 18446744073709551615}
        callFrame = 0x7f8951e600e8
        iter = {m_node = 0x7f895407c520}
        end = {m_node = 0x0}
        stackFrame = @0x7fff2af4bc60
        skip = <value optimized out>
        codeBlock = 0x7f895407c520
#8  0x00007f89682bd86a in ?? ()
No symbol table info available.
#9  0x0000000000000000 in ?? ()
No symbol table info available.