Add tp_dealloc and tp_free

Author: qunaibit

graalpython/com.oracle.graal.python.cext/src/capi.h

@@ -800,7 +800,7 @@ extern size_t PyTruffle_NativeMemoryGCBarrier;
 #undef bool // may be defined as "_Bool"
 // alphabetical, but base types first
 #define PY_TYPE_OBJECTS \
-PY_TRUFFLE_TYPE_GENERIC(PyType_Type, type, 				&PyType_Type, sizeof(PyHeapTypeObject), sizeof(PyMemberDef), PyType_GenericAlloc, 0, 0, 0) \
+PY_TRUFFLE_TYPE_GENERIC(PyType_Type, type, 				&PyType_Type, sizeof(PyHeapTypeObject), sizeof(PyMemberDef), PyType_GenericAlloc, object_dealloc, PyObject_GC_Del, 0) \
 PY_TRUFFLE_TYPE_WITH_ALLOC(PyBaseObject_Type, object, 			&PyType_Type, sizeof(PyObject), PyType_GenericAlloc, object_dealloc, PyObject_Del) \
 PY_TRUFFLE_TYPE(PyCFunction_Type, 		builtin_function_or_method, &PyType_Type, sizeof(PyCFunctionObject)) \
 PY_TRUFFLE_TYPE(_PyBytesIOBuffer_Type,	_BytesIOBuffer, 		&PyType_Type, 0) \

graalpython/com.oracle.graal.python.test/src/tests/cpyext/test_object.py

@@ -591,7 +591,7 @@ def test_tp_alloc(self):
         TestTpAlloc = CPyExtType("TestTpAlloc",
                                 '''
                                 static PyObject* testslots_tp_alloc(PyObject* self) {
-                                    return Py_XNewRef(PyType_Type.tp_alloc(&PyType_Type, 0));
+                                    return (PyObject*) PyType_Type.tp_alloc(&PyType_Type, 0);
                                 }
                                 ''',
                                 tp_methods='{"get_tp_alloc", (PyCFunction)testslots_tp_alloc, METH_NOARGS, ""}',