id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
4	ABI incompatibility in Objects/structseq.c PyStructSequence_InitType	akruis	rmtew	"In  Objects/structseq.c

void
PyStructSequence_InitType(PyTypeObject *type, PyStructSequence_Desc *desc)
{
  ....
    memcpy(type, &_struct_sequence_template, sizeof(PyTypeObject));

Now if type comes from an extension module compiled against vanilla python, stackless writes its extensions into memory behind the end of *type.

I'm not sure about my fix. "	defect	closed	major		stackless python	2.7.2	fixed