(gdb) where
#0  0x00007f0a9a4b0e09 in QString::operator=(QString const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f0a9c0251e5 in QgsProcessingParameterDefinition::setName(QString const&) ()
    at /home/webmaster/dev/cpp/QGIS/bm-qt5/output/lib/libqgis_core.so.2.99.0
#2  0x00007f0a9c021988 in QgsProcessingModelAlgorithm::updateDestinationParameters() ()
    at /home/webmaster/dev/cpp/QGIS/bm-qt5/output/lib/libqgis_core.so.2.99.0
#3  0x00007f0a9c022d45 in QgsProcessingModelAlgorithm::loadVariant(QVariant const&) ()
    at /home/webmaster/dev/cpp/QGIS/bm-qt5/output/lib/libqgis_core.so.2.99.0
#4  0x00007f0a9c0232da in QgsProcessingModelAlgorithm::fromFile(QString const&) ()
    at /home/webmaster/dev/cpp/QGIS/bm-qt5/output/lib/libqgis_core.so.2.99.0
#5  0x00007f09e5a4046c in meth_QgsProcessingModelAlgorithm_fromFile () at /home/webmaster/dev/cpp/QGIS/bm-qt5/output/python/qgis/_core.so
#6  0x00007f09e75aed5a in _PyCFunction_FastCallDict () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#7  0x00007f09e763d18f in  () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#8  0x00007f09e764220c in _PyEval_EvalFrameDefault () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#9  0x00007f09e763d389 in  () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#10 0x00007f09e764220c in _PyEval_EvalFrameDefault () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#11 0x00007f09e7645a2f in _PyFunction_FastCallDict () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#12 0x00007f09e754434e in _PyObject_FastCallDict () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#13 0x00007f09e754444c in _PyObject_Call_Prepend () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#14 0x00007f09e7544118 in PyObject_Call () at /usr/lib/x86_64-linux-gnu/libpython3.6m.so.1.0
#15 0x00007f09e70b84c4 in  () at /usr/lib/python3/dist-packages/sip.cpython-36m-x86_64-linux-gnu.so