bpo-46405: fix msvc compiler warnings (GH-30627)

diff --git a/Python/specialize.c b/Python/specialize.c
index 2da9e0f29b7a4366215666f4495a3ed6a3cb82fb..7c2252dd7a0e5cb0da5049ee0e6424908e20a2b8 100644 (file)
--- a/Python/specialize.c
+++ b/Python/specialize.c
@@ -1240,7 +1240,7 @@ _Py_Specialize_StoreSubscr(PyObject *container, PyObject *sub, _Py_CODEUNIT *ins
     if (container_type == &PyList_Type) {
         if (PyLong_CheckExact(sub)) {
             if ((Py_SIZE(sub) == 0 || Py_SIZE(sub) == 1)
-                && ((PyLongObject *)sub)->ob_digit[0] < PyList_GET_SIZE(container))
+                && ((PyLongObject *)sub)->ob_digit[0] < (size_t)PyList_GET_SIZE(container))
             {
                 *instr = _Py_MAKECODEUNIT(STORE_SUBSCR_LIST_INT,
                                           initial_counter_value());