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-rw-r--r--Lib/test/test_compile.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 2ed8ae0..a470d61 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -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