From: Yury Selivanov <yselivanov@sprymix.com>
Date: Sun, 10 May 2015 19:09:46 +0000 (-0400)
Subject: Issue #22906: Do incref before SetCause/SetContext
X-Git-Tag: v3.5.0b1~214^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=18c30a29f86dc41f96a572b6ec3f7bd6824f6e6a;p=python

Issue #22906: Do incref before SetCause/SetContext
---

diff --git a/Objects/genobject.c b/Objects/genobject.c
index 149e545ec0..82b629cfea 100644
--- a/Objects/genobject.c
+++ b/Objects/genobject.c
@@ -149,9 +149,9 @@ gen_send_ex(PyGenObject *gen, PyObject *arg, int exc)
                 "generator raised StopIteration");
             PyErr_Fetch(&exc, &val2, &tb);
             PyErr_NormalizeException(&exc, &val2, &tb);
+            Py_INCREF(val);
             PyException_SetCause(val2, val);
             PyException_SetContext(val2, val);
-            Py_INCREF(val);
             PyErr_Restore(exc, val2, tb);
         }
     }