From 73ae2023a76f199ff854f8da14bd9ff8e93ee7fd Mon Sep 17 00:00:00 2001
From: Sam Gross <colesbury@gmail.com>
Date: Wed, 10 Jan 2024 13:18:38 -0500
Subject: gh-113753: Clear finalized bit when putting PyAsyncGenASend back into
 free list (#113754)

---
 Lib/test/test_asyncgen.py | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'Lib/test/test_asyncgen.py')

diff --git a/Lib/test/test_asyncgen.py b/Lib/test/test_asyncgen.py
index a49630112af..7fa0a85100a 100644
--- a/Lib/test/test_asyncgen.py
+++ b/Lib/test/test_asyncgen.py
@@ -1701,6 +1701,14 @@ class TestUnawaitedWarnings(unittest.TestCase):
         async def gen():
             yield 1
 
+        # gh-113753: asend objects allocated from a free-list should warn.
+        # Ensure there is a finalized 'asend' object ready to be reused.
+        try:
+            g = gen()
+            g.asend(None).send(None)
+        except StopIteration:
+            pass
+
         msg = f"coroutine method 'asend' of '{gen.__qualname__}' was never awaited"
         with self.assertWarnsRegex(RuntimeWarning, msg):
             g = gen()
-- 
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