[Bug middle-end/44824] [4.6 regression] internal compiler error: verify_stmts failed

[jojelino at gmail dot com]

------- Comment #12 from jojelino at gmail dot com  2010-07-12 00:43 -------
reduced testcase


 typedef struct _object {
 int ob_refcnt; struct _typeobject *ob_type;
} PyObject;
typedef struct bufferinfo {
 void *buf;
 PyObject *obj;
        int len;
        int itemsize;

        int readonly;
        int ndim;
        char *format;
        int *shape;
        int *strides;
        int *suboffsets;
        void *internal;
} Py_buffer;
typedef PyObject * (*unaryfunc)(PyObject *);
typedef PyObject * (*binaryfunc)(PyObject *, PyObject *);
typedef PyObject * (*ternaryfunc)(PyObject *, PyObject *, PyObject *);
typedef int (*inquiry)(PyObject *);
typedef int (*lenfunc)(PyObject *);
typedef int (*coercion)(PyObject **, PyObject **);
typedef PyObject *(*intargfunc)(PyObject *, int)
__attribute__((__deprecated__));
typedef PyObject *(*intintargfunc)(PyObject *, int, int)
__attribute__((__deprecated__));
typedef PyObject *(*ssizeargfunc)(PyObject *, int);
typedef PyObject *(*ssizessizeargfunc)(PyObject *, int, int);
typedef int(*intobjargproc)(PyObject *, int, PyObject *);
typedef int(*intintobjargproc)(PyObject *, int, int, PyObject *);
typedef int(*ssizeobjargproc)(PyObject *, int, PyObject *);
typedef int(*ssizessizeobjargproc)(PyObject *, int, int, PyObject *);
typedef int(*objobjargproc)(PyObject *, PyObject *, PyObject *);
typedef int (*objobjproc)(PyObject *, PyObject *);
typedef int (*readbufferproc)(PyObject *, int, void **);
typedef int (*writebufferproc)(PyObject *, int, void **);
typedef int (*segcountproc)(PyObject *, int *);
typedef int (*charbufferproc)(PyObject *, int, char **);
typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
typedef int (*visitproc)(PyObject *, void *);
typedef int (*traverseproc)(PyObject *, visitproc, void *);
typedef struct {
 lenfunc sq_length;
 binaryfunc sq_concat;
 ssizeargfunc sq_repeat;
 ssizeargfunc sq_item;
 ssizessizeargfunc sq_slice;
 ssizeobjargproc sq_ass_item;
 ssizessizeobjargproc sq_ass_slice;
 objobjproc sq_contains;

 binaryfunc sq_inplace_concat;
 ssizeargfunc sq_inplace_repeat;
} PySequenceMethods;
typedef struct {
 lenfunc mp_length;
 binaryfunc mp_subscript;
 objobjargproc mp_ass_subscript;
} PyMappingMethods;

typedef struct {
 readbufferproc bf_getreadbuffer;
 writebufferproc bf_getwritebuffer;
 segcountproc bf_getsegcount;
 charbufferproc bf_getcharbuffer;
        getbufferproc bf_getbuffer;
 releasebufferproc bf_releasebuffer;
} PyBufferProcs;

typedef struct {
# 226
"/usr/lib/gcc/i686-pc-cygwin/4.6.0/../../../../i686-pc-cygwin/include/python2.6/object.h"
3
 binaryfunc nb_add;
 binaryfunc nb_subtract;
 binaryfunc nb_multiply;
 binaryfunc nb_divide;
 binaryfunc nb_remainder;
 binaryfunc nb_divmod;
 ternaryfunc nb_power;
 unaryfunc nb_negative;
 unaryfunc nb_positive;
 unaryfunc nb_absolute;
 inquiry nb_nonzero;
 unaryfunc nb_invert;
 binaryfunc nb_lshift;
 binaryfunc nb_rshift;
 binaryfunc nb_and;
 binaryfunc nb_xor;
 binaryfunc nb_or;
 coercion nb_coerce;
 unaryfunc nb_int;
 unaryfunc nb_long;
 unaryfunc nb_float;
 unaryfunc nb_oct;
 unaryfunc nb_hex;

 binaryfunc nb_inplace_add;
 binaryfunc nb_inplace_subtract;
 binaryfunc nb_inplace_multiply;
 binaryfunc nb_inplace_divide;
 binaryfunc nb_inplace_remainder;
 ternaryfunc nb_inplace_power;
 binaryfunc nb_inplace_lshift;
 binaryfunc nb_inplace_rshift;
 binaryfunc nb_inplace_and;
 binaryfunc nb_inplace_xor;
 binaryfunc nb_inplace_or;



 binaryfunc nb_floor_divide;
 binaryfunc nb_true_divide;
 binaryfunc nb_inplace_floor_divide;
 binaryfunc nb_inplace_true_divide;


 unaryfunc nb_index;
} PyNumberMethods;
typedef void (*freefunc)(void *);
typedef void (*destructor)(PyObject *);
typedef int (*printfunc)(PyObject *, int *, int);
typedef PyObject *(*getattrfunc)(PyObject *, char *);
typedef PyObject *(*getattrofunc)(PyObject *, PyObject *);
typedef int (*setattrfunc)(PyObject *, char *, PyObject *);
typedef int (*setattrofunc)(PyObject *, PyObject *, PyObject *);
typedef int (*cmpfunc)(PyObject *, PyObject *);
typedef PyObject *(*reprfunc)(PyObject *);
typedef long (*hashfunc)(PyObject *);
typedef PyObject *(*richcmpfunc) (PyObject *, PyObject *, int);
typedef PyObject *(*getiterfunc) (PyObject *);
typedef PyObject *(*iternextfunc) (PyObject *);
typedef PyObject *(*descrgetfunc) (PyObject *, PyObject *, PyObject *);
typedef int (*descrsetfunc) (PyObject *, PyObject *, PyObject *);
typedef int (*initproc)(PyObject *, PyObject *, PyObject *);
typedef PyObject *(*newfunc)(struct _typeobject *, PyObject *, PyObject *);
typedef PyObject *(*allocfunc)(struct _typeobject *, int);
 typedef struct _typeobject {
 int ob_refcnt; struct _typeobject *ob_type; int ob_size;
 const char *tp_name;
 int tp_basicsize, tp_itemsize;
 destructor tp_dealloc;
 printfunc tp_print;
 getattrfunc tp_getattr;
 setattrfunc tp_setattr;
 cmpfunc tp_compare;
 reprfunc tp_repr;
 PyNumberMethods *tp_as_number;
 PySequenceMethods *tp_as_sequence;
 PyMappingMethods *tp_as_mapping;
 hashfunc tp_hash;
 ternaryfunc tp_call;
 reprfunc tp_str;
 getattrofunc tp_getattro;
 setattrofunc tp_setattro;
 PyBufferProcs *tp_as_buffer;
 long tp_flags;
 const char *tp_doc;
 traverseproc tp_traverse;
 inquiry tp_clear;
 richcmpfunc tp_richcompare;
 int tp_weaklistoffset;
 getiterfunc tp_iter;
 iternextfunc tp_iternext;
 struct PyMethodDef *tp_methods;
 struct PyMemberDef *tp_members;
 struct PyGetSetDef *tp_getset;
 struct _typeobject *tp_base;
 PyObject *tp_dict;
 descrgetfunc tp_descr_get;
 descrsetfunc tp_descr_set;
 int tp_dictoffset;
 initproc tp_init;
 allocfunc tp_alloc;
 newfunc tp_new;
 freefunc tp_free;
 inquiry tp_is_gc;
 PyObject *tp_bases;
 PyObject *tp_mro;
 PyObject *tp_cache;
 PyObject *tp_subclasses;
 PyObject *tp_weaklist;
 destructor tp_del;
 unsigned int tp_version_tag;
# 409
"/usr/lib/gcc/i686-pc-cygwin/4.6.0/../../../../i686-pc-cygwin/include/python2.6/object.h"
3
} PyTypeObject;
typedef struct {
    int ob_refcnt; struct _typeobject *ob_type;
    long ob_ival;
} PyIntObject;
extern __attribute__((dllimport)) PyIntObject _Py_TrueStruct;
PyObject* stub1(){
return (                                \
                \
        ((PyObject*)(((PyObject *) &_Py_TrueStruct)))->ob_refcnt++), ((PyObject
*) &_Py_TrueStruct);
}
int main()
{
        PyObject* a=stub1();
        return a;
}


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44824