From c019158a4c7a7b79a7d2d4f1de87c8789a5ec13d Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Tue, 27 Sep 2016 11:37:10 +0300
Subject: [PATCH] Issue #27703: Got rid of unnecessary NULL checks in
 do_raise() in release mode. Patch by Xiang Zhang.

---
 Python/ceval.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Python/ceval.c b/Python/ceval.c
index 39cf33019d..a09de05ebe 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -4245,6 +4245,9 @@ do_raise(PyObject *exc, PyObject *cause)
         goto raise_error;
     }
 
+    assert(type != NULL);
+    assert(value != NULL);
+
     if (cause) {
         PyObject *fixed_cause;
         if (PyExceptionClass_Check(cause)) {
@@ -4271,8 +4274,8 @@ do_raise(PyObject *exc, PyObject *cause)
 
     PyErr_SetObject(type, value);
     /* PyErr_SetObject incref's its arguments */
-    Py_XDECREF(value);
-    Py_XDECREF(type);
+    Py_DECREF(value);
+    Py_DECREF(type);
     return 0;
 
 raise_error:
-- 
2.49.0