From cfdfbb4d3c39ee1e728aa80da55c1f25d00be4d1 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Sat, 18 Jun 2016 09:44:03 +0300
Subject: [PATCH] Issue #27342: Replaced some Py_XDECREFs with Py_DECREFs.
 Patch by Xiang Zhang.

---
 Objects/rangeobject.c | 10 +++++-----
 Python/bltinmodule.c  |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 0e9eb20154b..f3ef44cd362 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -129,9 +129,9 @@ range_new(PyTypeObject *type, PyObject *args, PyObject *kw)
         return (PyObject *) obj;
 
     /* Failed to create object, release attributes */
-    Py_XDECREF(start);
-    Py_XDECREF(stop);
-    Py_XDECREF(step);
+    Py_DECREF(start);
+    Py_DECREF(stop);
+    Py_DECREF(step);
     return NULL;
 }
 
@@ -196,7 +196,7 @@ compute_range_length(PyObject *start, PyObject *stop, PyObject *step)
     /* if (lo >= hi), return length of 0. */
     cmp_result = PyObject_RichCompareBool(lo, hi, Py_GE);
     if (cmp_result != 0) {
-        Py_XDECREF(step);
+        Py_DECREF(step);
         if (cmp_result < 0)
             return NULL;
         return PyLong_FromLong(0);
@@ -225,9 +225,9 @@ compute_range_length(PyObject *start, PyObject *stop, PyObject *step)
     return result;
 
   Fail:
+    Py_DECREF(step);
     Py_XDECREF(tmp2);
     Py_XDECREF(diff);
-    Py_XDECREF(step);
     Py_XDECREF(tmp1);
     Py_XDECREF(one);
     return NULL;
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 0637a2ded9b..7d35cdbf46a 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2711,10 +2711,10 @@ _PyBuiltin_Init(void)
     SETBUILTIN("zip",                   &PyZip_Type);
     debug = PyBool_FromLong(Py_OptimizeFlag == 0);
     if (PyDict_SetItemString(dict, "__debug__", debug) < 0) {
-        Py_XDECREF(debug);
+        Py_DECREF(debug);
         return NULL;
     }
-    Py_XDECREF(debug);
+    Py_DECREF(debug);
 
     return mod;
 #undef ADD_TO_ALL