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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"`--enable-pystats` build fails on main","articleBody":"# Bug report\n\n### Bug description:\n\n```\nPython/specialize.c: In function ‘store_subscr_fail_kind’:\nPython/specialize.c:1821:50: error: ‘PyObject’ {aka ‘struct _object’} has no member named ‘tp_as_mapping’\n 1821 |     PyMappingMethods *as_mapping = container_type-\u003etp_as_mapping;\n      |                                                  ^~\nPython/specialize.c:1826:30: error: ‘container’ undeclared (first use in this function)\n 1826 |     if (PyObject_CheckBuffer(container)) {\n      |                              ^~~~~~~~~\nPython/specialize.c:1826:30: note: each undeclared identifier is reported only once for each function it appears in\nIn file included from ./Include/Python.h:63,\n                 from Python/specialize.c:1:\nPython/specialize.c:1827:31: error: ‘sub’ undeclared (first use in this function); did you mean ‘Sub’?\n 1827 |         if (PyLong_CheckExact(sub) \u0026\u0026 (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub))) {\n      |                               ^~~\n./Include/pyport.h:37:38: note: in definition of macro ‘_Py_CAST’\n   37 | #define _Py_CAST(type, expr) ((type)(expr))\n      |                                      ^~~~\n./Include/object.h:284:43: note: in expansion of macro ‘_PyObject_CAST’\n  284 | #  define Py_IS_TYPE(ob, type) Py_IS_TYPE(_PyObject_CAST(ob), (type))\n      |                                           ^~~~~~~~~~~~~~\n./Include/longobject.h:14:31: note: in expansion of macro ‘Py_IS_TYPE’\n   14 | #define PyLong_CheckExact(op) Py_IS_TYPE((op), \u0026PyLong_Type)\n      |                               ^~~~~~~~~~\nPython/specialize.c:1827:13: note: in expansion of macro ‘PyLong_CheckExact’\n 1827 |         if (PyLong_CheckExact(sub) \u0026\u0026 (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub))) {\n      |             ^~~~~~~~~~~~~~~~~\nPython/specialize.c:1830:39: error: ‘PyObject’ {aka ‘struct _object’} has no member named ‘tp_name’\n 1830 |         else if (strcmp(container_type-\u003etp_name, \"array.array\") == 0) {\n      |                                       ^~\nPython/specialize.c:1865:43: error: passing argument 1 of ‘_PyType_Lookup’ from incompatible pointer type [-Wincompatible-pointer-types]\n 1865 |     PyObject *descriptor = _PyType_Lookup(container_type, \u0026_Py_ID(__setitem__));\n      |                                           ^~~~~~~~~~~~~~\n      |                                           |\n      |                                           PyObject * {aka struct _object *}\nIn file included from ./Include/object.h:754,\n                 from ./Include/Python.h:72:\n./Include/cpython/object.h:281:39: note: expected ‘PyTypeObject *’ {aka ‘struct _typeobject *’} but argument is of type ‘PyObject *’ {aka ‘struct _object *’}\n  281 | PyAPI_FUNC(PyObject *) _PyType_Lookup(PyTypeObject *, PyObject *);\n      |                                       ^~~~~~~~~~~~~~\nPython/specialize.c: In function ‘_Py_Specialize_StoreSubscr’:\nPython/specialize.c:1918:62: error: passing argument 1 of ‘store_subscr_fail_kind’ from incompatible pointer type [-Wincompatible-pointer-types]\n 1918 |     SPECIALIZATION_FAIL(STORE_SUBSCR, store_subscr_fail_kind(container_type));\n      |                                                              ^~~~~~~~~~~~~~\n      |                                                              |\n      |                                                              PyTypeObject * {aka struct _typeobject *}\nPython/specialize.c:430:70: note: in definition of macro ‘SPECIALIZATION_FAIL’\n  430 |         _Py_stats-\u003eopcode_stats[opcode].specialization.failure_kinds[kind]++; \\\n      |                                                                      ^~~~\nPython/specialize.c:1819:34: note: expected ‘PyObject *’ {aka ‘struct _object *’} but argument is of type ‘PyTypeObject *’ {aka ‘struct _typeobject *’}\n 1819 | store_subscr_fail_kind(PyObject *container_type)\n      |                        ~~~~~~~~~~^~~~~~~~~~~~~~\n```\n\n\n### CPython versions tested on:\n\nCPython main branch\n\n### Operating systems tested on:\n\nLinux\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-127526\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/mdboom","@type":"Person","name":"mdboom"},"datePublished":"2024-12-02T15:31:55.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/127518/cpython/issues/127518"}