diff options
| -rw-r--r-- | Doc/c-api/gcsupport.rst | 2 | ||||
| -rw-r--r-- | Modules/gcmodule.c | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/Doc/c-api/gcsupport.rst b/Doc/c-api/gcsupport.rst index f5e0d7e..7f54b6a 100644 --- a/Doc/c-api/gcsupport.rst +++ b/Doc/c-api/gcsupport.rst @@ -49,7 +49,7 @@ Constructors for container types must conform to two rules: .. c:function:: TYPE* PyObject_GC_Resize(TYPE, PyVarObject *op, Py_ssize_t newsize) Resize an object allocated by :c:func:`PyObject_NewVar`. Returns the - resized object or *NULL* on failure. + resized object or *NULL* on failure. *op* must not be tracked by the collector yet. .. c:function:: void PyObject_GC_Track(PyObject *op) diff --git a/Modules/gcmodule.c b/Modules/gcmodule.c index 8ba1093..09c7356 100644 --- a/Modules/gcmodule.c +++ b/Modules/gcmodule.c @@ -1752,6 +1752,7 @@ _PyObject_GC_Resize(PyVarObject *op, Py_ssize_t nitems) { const size_t basicsize = _PyObject_VAR_SIZE(Py_TYPE(op), nitems); PyGC_Head *g = AS_GC(op); + assert(!IS_TRACKED(op)); if (basicsize > PY_SSIZE_T_MAX - sizeof(PyGC_Head)) return (PyVarObject *)PyErr_NoMemory(); g = (PyGC_Head *)PyObject_REALLOC(g, sizeof(PyGC_Head) + basicsize); |