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Code Issues Projects Releases Packages Wiki Activity Actions 11

gh-101928: fix crash in compiler on multi-line lambda in function call (#101933)

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penguin_wwy 2023-02-16 19:31:41 +08:00 • committed by GitHub
parent 0b13575e74
commit df7ccf6138
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2 changed files with 13 additions and 2 deletions
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11
Lib/test/test_compile.py
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@ -1155,6 +1155,17 @@ if 1:
with self.subTest(expr=expr): with self.subTest(expr=expr):
compile(expr, "<single>", "exec") compile(expr, "<single>", "exec")
def test_multi_line_lambda_as_argument(self):
# See gh-101928
compile("""
def foo(param, lambda_exp):
pass
foo(param=0,
lambda_exp=lambda:
1)
""", "<test>", "exec")
@requires_debug_ranges() @requires_debug_ranges()
class TestSourcePositions(unittest.TestCase): class TestSourcePositions(unittest.TestCase):

4
Python/compile.c
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@ -9085,8 +9085,8 @@ optimize_basic_block(PyObject *const_cache, basicblock *bb, PyObject *consts)
Py_DECREF(cnt); Py_DECREF(cnt);
break; break;
case RETURN_VALUE: case RETURN_VALUE:
INSTR_SET_OP1(inst, RETURN_CONST, oparg); INSTR_SET_OP0(inst, NOP);
INSTR_SET_OP0(&bb->b_instr[i + 1], NOP); INSTR_SET_OP1(&bb->b_instr[++i], RETURN_CONST, oparg);
break; break;
} }
break; break;