From 561ca80cffd37445bac82ff820b8f52b98c50517 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 23 Feb 2017 18:26:43 +0100
Subject: Document why functools.partial() must copy kwargs (#253)

Add a comment to prevent further attempts to avoid a copy for
optimization.
---
 Objects/call.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'Objects/call.c')

diff --git a/Objects/call.c b/Objects/call.c
index bc32090938..310b4a205f 100644
--- a/Objects/call.c
+++ b/Objects/call.c
@@ -317,8 +317,8 @@ _PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs,
     if (nk != 0) {
         Py_ssize_t pos, i;
 
-        /* Issue #29318: Caller and callee functions must not share the
-           dictionary: kwargs must be copied. */
+        /* bpo-29318, bpo-27840: Caller and callee functions must not share
+           the dictionary: kwargs must be copied. */
         kwtuple = PyTuple_New(2 * nk);
         if (kwtuple == NULL) {
             return NULL;
-- 
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