8000 gh-104602: Add additional test for listcomp with lambda by JelleZijlstra · Pull Request #104639 · python/cpython · GitHub
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Merged
merged 1 commit into from
May 19, 2023
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gh-104602: Add additional test for listcomp with lambda #104639

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gh-104602: Add additional test for listcomp with lambda 
This threw a SystemError before #104603. Adding a separate test
because this was a different failure mode than the other two new
tests from #104603, both of which used to segfault.
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@JelleZijlstra
JelleZijlstra committed May 19, 2023
commit e3fa00fb2bdbea9a916fe15eef46d9b25b6113da
10 changes: 10 additions & 0 deletions Lib/test/test_listcomps.py
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Expand Up @@ -510,6 +510,16 @@ def test_nested_listcomp_in_lambda(self):
"""
self._check_in_scopes(code, {"z": 1, "out": [(3, 2, 1)]})

def test_lambda_in_iter(self):
code = """
(func, c), = [(a, b) for b in [1] for a in [lambda : a]]
d = func()
assert d is func
# must use "a" in this scope
e = a if False else None
"""
self._check_in_scopes(code, {"c": 1, "e": None})

def test_assign_to_comp_iter_var_in_outer_function(self):
code = """
a = [1 for a in [0]]
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0