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gh-93671: Avoid exponential backtracking in deeply nested sequence patterns in match statements #93680

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Merged
ambv merged 2 commits into from
Jun 10, 2022
Merged

gh-93671: Avoid exponential backtracking in deeply nested sequence patterns in match statements #93680

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gh-93671: Avoid exponential backtracking in deeply nested sequence pa…
pablogsal Jun 10, 2022
9907737
s/patters/patterns/
ambv Jun 10, 2022
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s/patters/patterns/
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@ambv
ambv authored Jun 10, 2022
commit 99077371a585cecbbc0c6987c7fc99fd91865416
2 changes: 1 addition & 1 deletion Lib/test/test_patma.py
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Expand Up @@ -3151,7 +3151,7 @@ def f(command): # 0
self.assertListEqual(self._trace(f, "go x"), [1, 2, 3])
self.assertListEqual(self._trace(f, "spam"), [1, 2, 3])

def test_parser_deeply_nested_patters(self):
def test_parser_deeply_nested_patterns(self):
# Deeply nested patterns can cause exponential backtracking when parsing.
# See gh-93671 for more information.

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