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gh-107901: Fix missing line number on BACKWARD_JUMP at the end of a for loop (#108242)

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Irit Katriel 2023-08-21 23:44:31 +01:00 • committed by GitHub
parent e6db23f66d
commit a1cc74c4ee
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3 changed files with 16 additions and 1 deletions
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14
Lib/test/test_compile.py
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@ -1031,6 +1031,20 @@ class TestSpecifics(unittest.TestCase):
code_lines = self.get_code_lines(test.__code__)
self.assertEqual(expected_lines, code_lines)
def test_lineno_of_backward_jump(self):
# Issue gh-107901
def f():
for i in x:
if y:
pass
linenos = list(inst.positions.lineno
for inst in dis.get_instructions(f.__code__)
if inst.opname == 'JUMP_BACKWARD')
self.assertTrue(len(linenos) > 0)
self.assertTrue(all(l is not None for l in linenos))
def test_big_dict_literal(self):
# The compiler has a flushing point in "compiler_dict" that calls compiles
# a portion of the dictionary literal when the loop that iterates over the items