Revert previous changes

Author: clin1234

Modules/_testinternalcapi/test_ptr_wise_memmove.c

@@ -7,9 +7,18 @@
 // Five distinguishable immortal singletons used as placeholder pointers.
 // These require no reference-count management when stored in a raw array.
 #define NPTRS 5
-static PyObject *test_objs[NPTRS] = {
-    Py_None, Py_True, Py_False, Py_Ellipsis, Py_NotImplemented
-};
+static PyObject *test_objs[NPTRS];
+
+static void
+setup_test_objs(void)
+{
+    test_objs[0] = Py_None;
+    test_objs[1] = Py_True;
+    test_objs[2] = Py_False;
+    test_objs[3] = Py_Ellipsis;
+    test_objs[4] = Py_NotImplemented;
+}
+
 // Fill buf[0..NPTRS-1] with test_objs in order.
 static void
 fill_buf(PyObject **buf)
@@ -55,6 +64,7 @@ call_memmove(PyObject **dest, PyObject **src, Py_ssize_t n)
 static PyObject *
 test_memmove_dest_lt_src(PyObject *self, PyObject *Py_UNUSED(arg))
 {
+    setup_test_objs();
 
     PyObject *buf[NPTRS];
     fill_buf(buf);
@@ -80,6 +90,7 @@ test_memmove_dest_lt_src(PyObject *self, PyObject *Py_UNUSED(arg))
 static PyObject *
 test_memmove_dest_gt_src(PyObject *self, PyObject *Py_UNUSED(arg))
 {
+    setup_test_objs();
 
     PyObject *buf[NPTRS];
     fill_buf(buf);
@@ -105,6 +116,7 @@ test_memmove_dest_gt_src(PyObject *self, PyObject *Py_UNUSED(arg))
 static PyObject *
 test_memmove_dest_eq_src(PyObject *self, PyObject *Py_UNUSED(arg))
 {
+    setup_test_objs();
 
     PyObject *buf[NPTRS];
     fill_buf(buf);
@@ -129,6 +141,7 @@ test_memmove_dest_eq_src(PyObject *self, PyObject *Py_UNUSED(arg))
 static PyObject *
 test_memmove_overlapping(PyObject *self, PyObject *Py_UNUSED(arg))
 {
+    setup_test_objs();
 
     PyObject *buf[NPTRS];
     fill_buf(buf);
@@ -155,6 +168,7 @@ test_memmove_overlapping(PyObject *self, PyObject *Py_UNUSED(arg))
 static PyObject *
 test_memmove_single_owner(PyObject *self, PyObject *Py_UNUSED(arg))
 {
+    setup_test_objs();
 
     PyObject *a = PyList_New(0);
     if (a == NULL) {