From a5afb58986cc0cd63908f1b5b44d472611f67b4f Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Tue, 29 Oct 2013 01:28:23 +0100
Subject: [PATCH] Issue #18408: Fix PyUnicode_AsUTF8AndSize(), raise
 MemoryError exception on memory allocation failure

---
 Objects/unicodeobject.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index ff806cf1a11..87c6472e6a1 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -3766,6 +3766,7 @@ PyUnicode_AsUTF8AndSize(PyObject *unicode, Py_ssize_t *psize)
             return NULL;
         _PyUnicode_UTF8(unicode) = PyObject_MALLOC(PyBytes_GET_SIZE(bytes) + 1);
         if (_PyUnicode_UTF8(unicode) == NULL) {
+            PyErr_NoMemory();
             Py_DECREF(bytes);
             return NULL;
         }