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[3.14] gh-140517: fix leak in map_next in strict mode (GH-140543) (#140554)

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gh-140517: fix leak in `map_next` in strict mode (GH-140543)
(cherry picked from commit be5af997f3)

Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>
This commit is contained in:
Miss Islington (bot) 2025-10-24 18:30:36 +02:00 • committed by GitHub
parent a975bea9b5
commit 11b5e0b9c2
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2 changed files with 41 additions and 19 deletions
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16
Lib/test/test_builtin.py
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@ -1384,6 +1384,22 @@ def test_map_strict(self):
self.assertRaises(ValueError, tuple,
map(pack, (1, 2), (1, 2), 'abc', strict=True))
# gh-140517: Testing refleaks with mortal objects.
t1 = (None, object())
t2 = (object(), object())
t3 = (object(),)
self.assertRaises(ValueError, tuple,
map(pack, t1, 'a', strict=True))
self.assertRaises(ValueError, tuple,
map(pack, t1, t2, 'a', strict=True))
self.assertRaises(ValueError, tuple,
map(pack, t1, t2, t3, strict=True))
self.assertRaises(ValueError, tuple,
map(pack, 'a', t1, strict=True))
self.assertRaises(ValueError, tuple,
map(pack, 'a', t2, t3, strict=True))
def test_map_strict_iterators(self):
x = iter(range(5))
y = [0]