From 1a7855309322a7dcbf7d7ee3356fe693ffb5b336 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Fri, 17 Jul 1998 20:19:48 +0000
Subject: [PATCH] Add test for failure of the getattr call in pcre_expand() --
 it used to core dump if the first argument did not have a "group" attribute.

---
 Modules/pcremodule.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Modules/pcremodule.c b/Modules/pcremodule.c
index 60b702993b2..f8bde043604 100644
--- a/Modules/pcremodule.c
+++ b/Modules/pcremodule.c
@@ -512,6 +512,10 @@ PyPcre_expand(self, args)
 			{
 				PyObject *r, *tuple, *result;
 				r=PyObject_GetAttrString(match_obj, "group");
+				if (r == NULL) {
+					Py_DECREF(results);
+					return NULL;
+				}
 				tuple=PyTuple_New(1);
 				Py_INCREF(value);
 				PyTuple_SetItem(tuple, 0, value);