Remove calls to PyOS_CheckStack

Author: markshannon

Objects/object.c

@@ -612,12 +612,9 @@ PyObject_Print(PyObject *op, FILE *fp, int flags)
     int write_error = 0;
     if (PyErr_CheckSignals())
         return -1;
-#ifdef USE_STACKCHECK
-    if (PyOS_CheckStack()) {
-        PyErr_SetString(PyExc_MemoryError, "stack overflow");
+    if (_Py_EnterRecursiveCall(" printing an object")) {
         return -1;
     }
-#endif
     clearerr(fp); /* Clear any previous error condition */
     if (op == NULL) {
         Py_BEGIN_ALLOW_THREADS
@@ -738,12 +735,6 @@ PyObject_Repr(PyObject *v)
     PyObject *res;
     if (PyErr_CheckSignals())
         return NULL;
-#ifdef USE_STACKCHECK
-    if (PyOS_CheckStack()) {
-        PyErr_SetString(PyExc_MemoryError, "stack overflow");
-        return NULL;
-    }
-#endif
     if (v == NULL)
         return PyUnicode_FromString("<NULL>");
     if (Py_TYPE(v)->tp_repr == NULL)
@@ -786,12 +777,6 @@ PyObject_Str(PyObject *v)
     PyObject *res;
     if (PyErr_CheckSignals())
         return NULL;
-#ifdef USE_STACKCHECK
-    if (PyOS_CheckStack()) {
-        PyErr_SetString(PyExc_MemoryError, "stack overflow");
-        return NULL;
-    }
-#endif
     if (v == NULL)
         return PyUnicode_FromString("<NULL>");
     if (PyUnicode_CheckExact(v)) {