Core dump with short-circuit signal name

#!/usr/bin/python

from PySide import QtCore, QtGui

SIGNAL_NAME = 'testSignal'

class EmitterClass(QtCore.QObject):
    def __init__(self):
        super(EmitterClass, self).__init__()

    def emitter(self):
        self.emit(QtCore.SIGNAL(SIGNAL_NAME), 100)

class ListeningClass(QtCore.QObject):
    def __init__(self):
        super(ListeningClass, self).__init__()
        self.emitter = EmitterClass()
        QtCore.QObject.connect(self.emitter, QtCore.SIGNAL(SIGNAL_NAME),
                               self.output)

    def output(self, number):
        print number

if __name__ == '__main__':
    c = ListeningClass()
    c.emitter.emitter()

Program terminated with signal 11, Segmentation fault.
#0  0x000000000041aec9 in PyObject_Call ()
(gdb) bt
#0  0x000000000041aec9 in PyObject_Call ()
#1  0x00000000004b5d96 in PyEval_CallObjectWithKeywords ()
#2  0x00007fcd98fcb2da in PySide::SignalManager::callPythonMetaMethod(QMetaMethod const&, void**, _object*, bool) ()
   from /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1
#3  0x00007fcd98fcb75c in PySide::SignalManager::qt_metacall(QObject*, QMetaObject::Call, int, void**) ()
   from /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1
#4  0x00007fcd98550ad9 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fcd98fcb990 in PySide::SignalManager::qt_metacall(QObject*, QMetaObject::Call, int, void**) ()
   from /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1
#6  0x00007fcd98fcbfd7 in PySide::SignalManager::emitSignal(QObject*, char const*, _object*) () from /usr/lib/x86_64-linux-gnu/libpyside-python2.7.so.1.1
#7  0x00007fcd992f3938 in ?? ()
   from /usr/lib/python2.7/dist-packages/PySide/QtCore.so
#8  0x00000000004b65c1 in PyEval_EvalFrameEx ()
#9  0x00000000004b6b97 in PyEval_EvalFrameEx ()
#10 0x00000000004bcd0d in PyEval_EvalCodeEx ()
#11 0x00000000004bd7e2 in PyEval_EvalCode ()
#12 0x00000000004dcc52 in run_mod ()
#13 0x00000000004dd814 in PyRun_FileExFlags ()
#14 0x00000000004de28e in PyRun_SimpleFileExFlags ()
#15 0x00000000004ee6dd in Py_Main ()
#16 0x00007fcd999a676d in __libc_start_main ()
   from /lib/x86_64-linux-gnu/libc.so.6
#17 0x000000000041ce39 in _start ()