Dummy commit to use the macros on the build bots

Author: mpage

Objects/listobject.c

@@ -8,6 +8,7 @@
 #include "pycore_long.h"          // _PyLong_DigitCount
 #include "pycore_modsupport.h"    // _PyArg_NoKwnames()
 #include "pycore_object.h"        // _PyObject_GC_TRACK(), _PyDebugAllocatorStats()
+#include "pycore_pyatomic_ft_wrappers.h"
 #include "pycore_tuple.h"         // _PyTuple_FromArray()
 #include <stddef.h>
 
@@ -3399,7 +3400,7 @@ listiter_len(PyObject *self, PyObject *Py_UNUSED(ignored))
     _PyListIterObject *it = (_PyListIterObject *)self;
     Py_ssize_t len;
     if (it->it_seq) {
-        len = PyList_GET_SIZE(it->it_seq) - it->it_index;
+        len = PyList_GET_SIZE(it->it_seq) - FT_ATOMIC_LOAD_SSIZE_RELAXED(it->it_index);
         if (len >= 0)
             return PyLong_FromSsize_t(len);
     }
@@ -3424,7 +3425,7 @@ listiter_setstate(PyObject *self, PyObject *state)
             index = 0;
         else if (index > PyList_GET_SIZE(it->it_seq))
             index = PyList_GET_SIZE(it->it_seq); /* iterator exhausted */
-        it->it_index = index;
+        FT_ATOMIC_STORE_SSIZE_RELAXED(it->it_index, index);
     }
     Py_RETURN_NONE;
 }