From 30488fa22a8f63753192ae7f1d01665857764e45 Mon Sep 17 00:00:00 2001
From: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
Date: Sat, 20 May 2023 21:12:10 +0100
Subject: [PATCH] gh-49174: document that the effect of calling gc.collect()
 during a collection is undefined (#104699)

---
 Doc/library/gc.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Doc/library/gc.rst b/Doc/library/gc.rst
index 6d5c64df1a1..0961ca4aaa9 100644
--- a/Doc/library/gc.rst
+++ b/Doc/library/gc.rst
@@ -50,6 +50,9 @@ The :mod:`gc` module provides the following functions:
    is run.  Not all items in some free lists may be freed due to the
    particular implementation, in particular :class:`float`.
 
+   The effect of calling ``gc.collect()`` while the interpreter is already
+   performing a collection is undefined.
+
 
 .. function:: set_debug(flags)